diff --git a/public/yml/DialogPorsche.yml b/public/yml/DialogPorsche.yml
index 55ab37d..69b73eb 100644
--- a/public/yml/DialogPorsche.yml
+++ b/public/yml/DialogPorsche.yml
@@ -8,7 +8,7 @@
   type: conversation
   name: Porsche
   text: ”Hi! I haven’t seen you around before so you must be new. I’m Porsche. Why don’t you sit with me and my friends? We'll tell you about the school!”
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
   goTo: 3
 
@@ -18,7 +18,7 @@
   option:
   - text: Sure!
     goTo: 4
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
 
 - id: 4
@@ -43,7 +43,7 @@
   type: conversation
   name: Porsche
   text: “Seems like people have been losing their stuff a lot lately. I can’t think of who would do it though, since we all know each other.”
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
   goTo: 8
 
@@ -55,14 +55,14 @@
     goTo: 9
   - text: "I don’t know either, I’m not familiar with anyone."
     goTo: 10
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
 
 - id: 9
   type: conversation
   name: Porsche
   text: “No! I don’t think so! But people might think it’s you because you’re new. It’s unfair but it’s just how it is sometimes.”
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
   goTo: 11
 
@@ -70,7 +70,7 @@
   type: conversation
   name: Porsche
   text: “Yeah I know. It’s ok. People will calm down. You don’t have to worry!”
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
   goTo: 11
 
@@ -106,7 +106,7 @@
   type: conversation
   name: Porsche
   text: “Hey, why are people saying that the thief might be me? How could it even be me? Did someone tell everyone it was me?”
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
   goTo: 17
 
@@ -114,7 +114,7 @@
   type: conversation
   name: Porsche
   text: "What? I don’t know, people started talking, but I did say it can’t be you. But it is strange that it happens around you."
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
   goTo: 18
 
@@ -126,14 +126,14 @@
     goTo: 19
   - text: "But... I haven’t done anything."
     goTo: 20
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
 
 - id: 19
   type: conversation
   name: Porsche
   text: "Ha? Are you trying to say that I might be the one who spread the rumor? How could you! Even though I was the one who befriended and defended you."
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
   goTo: 22
 
@@ -141,7 +141,7 @@
   type: conversation
   name: Porsche
   text: "Calm down! If you are innocent, which I think you are, people will figure it out and calm down as well!"
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
   goTo: 21
 
@@ -149,7 +149,7 @@
   type: conversation
   name: Porsche
   text: "I have to go, see you later!"
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
   goTo: 22
 
@@ -157,7 +157,7 @@
   type: conversation
   name: Porsche
   text: "I’ll try asking a classmate about this."
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
   goTo: 23
 
@@ -165,7 +165,7 @@
   type: conversation
   name: Porsche
   text: "Hey sorry to bother but can you tell me what Porsche has been telling everyone these days?"
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
   goTo: 24
 
@@ -173,7 +173,7 @@
   type: conversation
   name: Porsche
   text: "Uhhh I’m not sure but they keep saying stuff like how things keep disappearing right after you transferred here. But they did say it probably isn’t you though."
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
   goTo: 25
 
@@ -197,7 +197,7 @@
   type: conversation
   name: Porsche
   text: "Ok, things keep disappearing and everyone has been saying it’s you, and this time it’s my pencil case! Maybe you should just admit it already?"
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
   goTo: 29
 
@@ -211,7 +211,7 @@
   type: conversation
   name: Porsche
   text: "I understand everyone’s concern right now, but I really did not take anything from anyone."
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
   goTo: 31
 
@@ -219,7 +219,7 @@
   type: conversation
   name: Porsche
   text: "I don’t know why and how the rumor started, but I think it’s because I’m new here."
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
   goTo: 32
 
@@ -227,7 +227,7 @@
   type: conversation
   name: Porsche
   text: "It’s hurtful to think that some of you would believe that I would steal..."
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
   goTo: 33
 
@@ -253,7 +253,7 @@
   type: conversation
   name: Porsche
   text: "After conferring with your classmates, you decided to speak with Porsche alone about the origin of the rumor."
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
   goTo: 37
 
@@ -261,7 +261,7 @@
   type: conversation
   name: Porsche
   text: "The evidence pointed to them as the one who started it, yet they continue to deny it."
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
   goTo: 38
 
@@ -269,7 +269,7 @@
   type: conversation
   name: Porsche
   text: "As much as you want Porsche to just admit it, you take a deep breath and choose to..."
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
   goTo: 39
 
@@ -281,7 +281,7 @@
     goTo: 40
   - text: "Distance yourself from Porsche."
     goTo: 43
-  sprite: "_Porsche_normal.zip"
+  sprite: "F_Porsche_normal.webm"
   background: "bg-hallway.png"
 
 - id: 40
@@ -318,4 +318,4 @@
   type: story
   text: "But for now, you are determined to set clear boundaries to protect yourself, so situations like this don't happen again."
   background: "bg-hallway.png"
-  goTo: end
\ No newline at end of file
+  goTo: end
diff --git a/src/main.jsx b/src/main.jsx
index 64a918f..9a8dd44 100644
--- a/src/main.jsx
+++ b/src/main.jsx
@@ -6,7 +6,6 @@ import './css/global.css';
 import HomePage from './pages/homePage.jsx';
 import WarningPage from './pages/warningPage.jsx';
 import NamePage from './pages/namePage.jsx';
-import Animation from './pages/components/animation.jsx';
 import IntroductionPage from './pages/introductionPage.jsx';
 import PlayVideo from './pages/components/playVideo.jsx'
 import VitualNovelHandler from './pages/vistualNovelHandler.jsx';
@@ -19,7 +18,6 @@ createRoot(document.getElementById('root')).render(
         <Route path="/" element={<HomePage />} />
         <Route path="/warn" element={<WarningPage />} />
         <Route path="/name" element={<NamePage />} />
-        <Route path="/sprite" element={<Animation />} />
         <Route path='/video' element={<PlayVideo />} />
         <Route path="/introduction" element={<IntroductionPage />} />
         <Route path='/vs/:char/:step' element={<VitualNovelHandler />} />
diff --git a/src/pages/components/animation.jsx b/src/pages/components/animation.jsx
deleted file mode 100644
index 6e06d56..0000000
--- a/src/pages/components/animation.jsx
+++ /dev/null
@@ -1,210 +0,0 @@
-import React, { useEffect, useState, useRef } from 'react';
-import JSZip from 'jszip';
-
-const Animation = ({ src = "M_Porsche_cross_arm.zip", h = '100%', w = '100%' }) => {
-  const [images, setImages] = useState([]);
-  const [loading, setLoading] = useState(true);
-  const frameRate = 1000 / 24; // 24 FPS
-  const canvasRef = useRef(null);
-  const animationRef = useRef(null);
-  const currentFrameRef = useRef(0);
-  const imageElementsRef = useRef([]);
-  const urlSource = `${import.meta.env.VITE_ASSETS_URL}/${src}`;
-
-  useEffect(() => {
-    const loadImages = async () => {
-      const zip = new JSZip();
-      try {
-        const response = await fetch(urlSource);
-        if (!response.ok) {
-          throw new Error('Network response was not ok');
-        }
-        const data = await response.arrayBuffer();
-        const zipContent = await zip.loadAsync(data);
-
-        const imgPromises = [];
-        zipContent.forEach((relativePath, file) => {
-          if (file.name.endsWith('.webp')) {
-            imgPromises.push(
-              file.async('base64').then(base64 => {
-                const img = new Image();
-                img.src = `data:image/webp;base64,${base64}`;
-                return new Promise((resolve, reject) => {
-                  img.onload = () => resolve(img);
-                  img.onerror = reject;
-                });
-              })
-            );
-          }
-        });
-
-        const imgElements = await Promise.all(imgPromises);
-        if (imgElements.length === 0) {
-          console.error('No images found in the ZIP file.');
-        }
-
-        imageElementsRef.current = imgElements;
-        setImages(imgElements);
-      } catch (error) {
-        console.error('Error loading images:', error);
-      } finally {
-        setLoading(false);
-      }
-    };
-
-    loadImages();
-  }, [urlSource]);
-
-  useEffect(() => {
-    if (images.length > 0) {
-      const canvas = canvasRef.current;
-      const gl = canvas.getContext('webgl');
-      if (!gl) {
-        console.error("WebGL is not supported.");
-        return;
-      }
-
-      const rect = canvas.getBoundingClientRect();
-      const dpr = window.devicePixelRatio || 1;
-      canvas.width = rect.width * dpr;
-      canvas.height = rect.height * dpr;
-      gl.viewport(0, 0, canvas.width, canvas.height);
-
-      canvas.style.width = `${rect.width}px`;
-      canvas.style.height = `${rect.height}px`;
-
-      gl.clearColor(0.0, 0.0, 0.0, 0.0);
-      gl.clear(gl.COLOR_BUFFER_BIT);
-
-      gl.enable(gl.BLEND);
-      gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
-
-      const vertexShaderSource = `
-        attribute vec2 a_position;
-        attribute vec2 a_texCoord;
-        varying vec2 v_texCoord;
-        void main() {
-          gl_Position = vec4(a_position, 0.0, 1.0);
-          v_texCoord = a_texCoord;
-        }
-      `;
-      const fragmentShaderSource = `
-        precision mediump float;
-        uniform sampler2D u_texture;
-        varying vec2 v_texCoord;
-        void main() {
-          gl_FragColor = texture2D(u_texture, v_texCoord);
-        }
-      `;
-
-      const createShader = (source, type) => {
-        const shader = gl.createShader(type);
-        gl.shaderSource(shader, source);
-        gl.compileShader(shader);
-        if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {
-          console.error('Shader compile error:', gl.getShaderInfoLog(shader));
-        }
-        return shader;
-      };
-
-      const vertexShader = createShader(vertexShaderSource, gl.VERTEX_SHADER);
-      const fragmentShader = createShader(fragmentShaderSource, gl.FRAGMENT_SHADER);
-
-      const shaderProgram = gl.createProgram();
-      gl.attachShader(shaderProgram, vertexShader);
-      gl.attachShader(shaderProgram, fragmentShader);
-      gl.linkProgram(shaderProgram);
-      if (!gl.getProgramParameter(shaderProgram, gl.LINK_STATUS)) {
-        console.error('Program link error:', gl.getProgramInfoLog(shaderProgram));
-      }
-      gl.useProgram(shaderProgram);
-
-      const positionBuffer = gl.createBuffer();
-      gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);
-      const vertices = new Float32Array([
-        -1.0, -1.0,
-         1.0, -1.0,
-        -1.0,  1.0,
-         1.0,  1.0,
-      ]);
-      gl.bufferData(gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW);
-
-      const positionLocation = gl.getAttribLocation(shaderProgram, "a_position");
-      gl.vertexAttribPointer(positionLocation, 2, gl.FLOAT, false, 0, 0);
-      gl.enableVertexAttribArray(positionLocation);
-
-      const texCoordBuffer = gl.createBuffer();
-      gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer);
-      const texCoords = new Float32Array([
-        0.0, 1.0,
-        1.0, 1.0,
-        0.0, 0.0,
-        1.0, 0.0,
-      ]);
-      gl.bufferData(gl.ARRAY_BUFFER, texCoords, gl.STATIC_DRAW);
-
-      const texCoordLocation = gl.getAttribLocation(shaderProgram, "a_texCoord");
-      gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0);
-      gl.enableVertexAttribArray(texCoordLocation);
-
-      const texture = gl.createTexture();
-      gl.bindTexture(gl.TEXTURE_2D, texture);
-      gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
-      gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
-      gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
-      gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
-      // Optionally use NEAREST for sharper image:
-      // gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
-      // gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
-
-      const uTextureLocation = gl.getUniformLocation(shaderProgram, "u_texture");
-
-      const loadTexture = (image) => {
-        gl.bindTexture(gl.TEXTURE_2D, texture);
-        gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);
-        gl.generateMipmap(gl.TEXTURE_2D);
-      };
-
-      loadTexture(imageElementsRef.current[0]);
-
-      let lastFrameTime = 0;
-
-      const animate = (timestamp) => {
-        if (lastFrameTime === 0) lastFrameTime = timestamp;
-
-        const elapsed = timestamp - lastFrameTime;
-        if (elapsed > frameRate) {
-          currentFrameRef.current = (currentFrameRef.current + 1) % images.length;
-          loadTexture(imageElementsRef.current[currentFrameRef.current]);
-          lastFrameTime = timestamp;
-        }
-
-        gl.clear(gl.COLOR_BUFFER_BIT);
-        gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4);
-
-        animationRef.current = requestAnimationFrame(animate);
-      };
-
-      animationRef.current = requestAnimationFrame(animate);
-
-      return () => {
-        if (animationRef.current) {
-          cancelAnimationFrame(animationRef.current);
-        }
-      };
-    }
-  }, [images]);
-
-  if (loading) {
-    return <div>Loading...</div>;
-  } else {
-    return (
-      <canvas
-        ref={canvasRef}
-        style={{ height: h, width: w }}
-      />
-    );
-  }
-};
-
-export default Animation;
diff --git a/src/pages/components/testAnimation_manyfiles.jsx b/src/pages/components/testAnimation_manyfiles.jsx
deleted file mode 100644
index cb86fbb..0000000
--- a/src/pages/components/testAnimation_manyfiles.jsx
+++ /dev/null
@@ -1,46 +0,0 @@
-import React, { useEffect, useRef, useState } from 'react';
-import anime from 'animejs';
-
-const startNumber = 1000; 
-const endNumber = 1239; 
-const imageCount = endNumber - startNumber + 1; 
-const images = [];
-
-for (let i = startNumber; i <= endNumber; i++) {
-    const formattedNumber = String(i).padStart(5, '0');
-    images.push(import(`../../assets/characters/F_porche_akimbo_AME/Porsche${formattedNumber}.png`));
-}
-
-const CharacterAnimation = () => {
-    const totalFrames = imageCount; 
-    const frameDuration = 20;
-    const [currentFrame, setCurrentFrame] = useState(0);
-    const [loadedImages, setLoadedImages] = useState([]); 
-    const characterRef = useRef(null);
-
-    useEffect(() => {
-        Promise.all(images).then((resolvedImages) => {
-            setLoadedImages(resolvedImages.map(image => image.default)); 
-        });
-    }, []);
-
-    useEffect(() => {
-        const interval = setInterval(() => {
-            setCurrentFrame((prevFrame) => (prevFrame + 1) % totalFrames);
-        }, frameDuration);
-
-        return () => clearInterval(interval); 
-    }, []);
-
-    return (
-        <img
-            ref={characterRef}
-            src={loadedImages[currentFrame]}
-            alt="Character Animation"
-            style={{ width: '200px', height: 'auto' }}
-        />
-    );
-};
-
-
-export default CharacterAnimation;
diff --git a/src/pages/components/testAnimation_onefile.jsx b/src/pages/components/testAnimation_onefile.jsx
deleted file mode 100644
index 9dca1db..0000000
--- a/src/pages/components/testAnimation_onefile.jsx
+++ /dev/null
@@ -1,81 +0,0 @@
-import React, { useEffect, useState } from 'react';
-import JSZip from 'jszip';
-
-const TestAnimation = () => {
-  const [images, setImages] = useState([]);
-  const [currentFrame, setCurrentFrame] = useState(0);
-  const [loading, setLoading] = useState(true);
-  const frameRate = 60; 
-
-  useEffect(() => {
-    const loadImages = async () => {
-      const zip = new JSZip();
-      try {
-        const response = await fetch('src/assets/mainCharacters/M_Porsche_cross_arm.zip');
-        if (!response.ok) {
-          throw new Error('Network response was not ok');
-        }
-        const data = await response.arrayBuffer();
-        const zipContent = await zip.loadAsync(data);
-
-        const imgPromises = [];
-        zipContent.forEach((relativePath, file) => {
-          if (file.name.endsWith('.webp')) {
-            imgPromises.push(
-              file.async('base64').then(base64 => {
-                return `data:image/webp;base64,${base64}`;
-              })
-            );
-          }
-        });
-
-        const imgUrls = await Promise.all(imgPromises);
-
-        // console.log('Loaded images:', imgUrls); 
-
-        if (imgUrls.length === 0) {
-          console.error('No images found in the ZIP file.');
-        }
-
-        setImages(imgUrls);
-      } catch (error) {
-        console.error('Error loading images:', error);
-      } finally {
-        setLoading(false); 
-      }
-    };
-
-    loadImages();
-
-  }, []);
-
-  useEffect(() => {
-    if (images.length > 0) {
-      const interval = setInterval(() => {
-        setCurrentFrame((prevFrame) => (prevFrame + 1) % images.length);
-      }, frameRate);
-
-      return () => clearInterval(interval);
-    }
-  }, [images]);
-
-  if (loading) {
-    return <div>Loading...</div>; 
-  } else {
-    return (
-      <div style={{ display: 'flex', justifyContent: 'center', alignItems: 'center' }}>
-        {images.length > 0 ? (
-          <img
-            src={images[currentFrame]}
-            alt={`Animation frame ${currentFrame + 1}`}
-            style={{ maxWidth: '500px', height: 'auto' }} 
-          />
-        ) : (
-          <div>No images to display.</div> 
-        )}
-      </div>
-    );
-  }
-};
-
-export default TestAnimation;
diff --git a/src/pages/conversationPage.jsx b/src/pages/conversationPage.jsx
index 47a014d..a1988e5 100644
--- a/src/pages/conversationPage.jsx
+++ b/src/pages/conversationPage.jsx
@@ -4,19 +4,17 @@ import '../css/global.css';
 import '../css/textBox.css';
 import '../css/nameBox.css';
 import '../css/conversation.css'
-import { useNavigate, useParams } from 'react-router-dom';
-import Animation from './components/animation.jsx';
 
 function ConversationPage({data , onClicked}) {
   const backgroundSRC = `${import.meta.env.VITE_ASSETS_URL}/${data.background}`
   const [name] = useState(() => {
     return sessionStorage.getItem("name") || '';
   });
-  const { char } = useParams();
 
   const DialogText = data.text.replace("{name}", name);
   const DialogName = data.name.replace("{name}", name);
-  const videoPath = `https://dl.techtransthai.org/fsob-assets/F_${char}_normal.webm`;
+  const videoPath = `${import.meta.env.VITE_ASSETS_URL}/${data.sprite}`; // data.sprite return webm file name
+
   // https://dl.techtransthai.org/fsob-assets/F_Porsche_normal.webm
   //console.log(data.sprite);
 
diff --git a/src/pages/introductionPage.jsx b/src/pages/introductionPage.jsx
index 9047a0e..9b093f1 100644
--- a/src/pages/introductionPage.jsx
+++ b/src/pages/introductionPage.jsx
@@ -2,7 +2,6 @@ import { useState } from 'react';
 import { useNavigate } from 'react-router-dom';
 import '../css/global.css';
 import BlackButton from './components/customButton';
-import Animation from './components/animation.jsx';
 import PlayVideo from './components/playVideo.jsx';
 import LoadingScene from './components/loadingScene.jsx';
 import IntroductionData from './components/introductionData.jsx';
diff --git a/src/pages/optionPage.jsx b/src/pages/optionPage.jsx
index 042a349..2d10d91 100644
--- a/src/pages/optionPage.jsx
+++ b/src/pages/optionPage.jsx
@@ -4,10 +4,10 @@ import '../css/global.css';
 import '../css/textBox.css';
 import '../css/nameBox.css';
 import '../css/option.css'
-import Animation from './components/animation.jsx';
 
 function OptionPage({data , onClicked}) {
   const backgroundSRC = `${import.meta.env.VITE_ASSETS_URL}/${data.background}`
+  const videoPath = `${import.meta.env.VITE_ASSETS_URL}/${data.sprite}`; // data.sprite return webm file name
 
   return (
     <div
@@ -24,7 +24,10 @@ function OptionPage({data , onClicked}) {
       }}
     >
       <div className='spriteBox'>
-        <Animation src={`F${data.sprite}`}/>
+        <video width="200%" height="200%" autoPlay loop muted>
+          <source src={videoPath} type="video/webm" />
+          Your browser does not support the video tag.
+        </video>
       </div>
       <div className='optionSection'>
         {