diff --git a/public/audio.opus b/public/audio.opus
new file mode 100644
index 0000000..f24640b
Binary files /dev/null and b/public/audio.opus differ
diff --git a/public/window-nadae.webp b/public/window-nadae.webp
new file mode 100644
index 0000000..092b422
Binary files /dev/null and b/public/window-nadae.webp differ
diff --git a/src/app/page.tsx b/src/app/page.tsx
index 5a2a7fc..156fafa 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -6,7 +6,10 @@ import ReadmeWindow from "@/components/ReadmeWindow";
 import Contact from "@/components/Contact";
 import DDayComponent from "@/components/dday";
 
-export default function Page() {
+export default async function Page({ searchParams }: { searchParams: Promise<{ nowindow?: string }> }) {
+  const params = await searchParams;
+  const showWindow = params.nowindow === undefined;
+  
   return (
     <main className="min-h-screen w-screen overflow-y-scroll snap-y snap-mandatory relative">
       <div className="max-w-3xl w-full flex flex-row h-auto mx-auto my-8 items-center justify-between lg:px-0 px-8">
@@ -28,7 +31,7 @@ export default function Page() {
         <Contact />
       </div>
       <section id="about" className="w-full snap-start snap-always flex flex-col items-center justify-center px-8 lg:px-0">
-        <DraggableWindow />
+        {showWindow && <DraggableWindow />}
         <div className="max-w-3xl w-full lg:px-0 px-8">
           <p><strong>더 멋진 세상</strong>을 만들기 위해 노력하는 암냥입니다.</p>
           <p><strong>초등학교 시절 운영체제</strong>에 흥미를 느껴 컴퓨터를 시작했고, 이후 프로그래밍에 관심을 갖게 되었습니다.</p>
diff --git a/src/components/DraggableWindow.tsx b/src/components/DraggableWindow.tsx
index c64417c..2499a14 100644
--- a/src/components/DraggableWindow.tsx
+++ b/src/components/DraggableWindow.tsx
@@ -10,7 +10,10 @@ export default function DraggableWindow() {
     const [position, setPosition] = useState({ x: 100, y: 100 });
     const [isDragging, setIsDragging] = useState(false);
     const [dragOffset, setDragOffset] = useState({ x: 0, y: 0 });
+    const [isNadaeVisible, setIsNadaeVisible] = useState(false);
     const windowRef = useRef<HTMLDivElement>(null);
+    const audioRef = useRef<HTMLAudioElement | null>(null);
+    const nadaeTimeoutRef = useRef<ReturnType<typeof setTimeout> | null>(null);
 
     const handleMouseDown = (e: React.MouseEvent) => {
         setIsDragging(true);
@@ -23,6 +26,26 @@ export default function DraggableWindow() {
         }
     };
 
+    const handleActivate = () => {
+        if (!audioRef.current) {
+            audioRef.current = new Audio('/audio.opus');
+        }
+
+        audioRef.current.currentTime = 0;
+        void audioRef.current.play();
+
+        setIsNadaeVisible(true);
+
+        if (nadaeTimeoutRef.current) {
+            clearTimeout(nadaeTimeoutRef.current);
+        }
+
+        nadaeTimeoutRef.current = setTimeout(() => {
+            setIsNadaeVisible(false);
+            nadaeTimeoutRef.current = null;
+        }, 1000);
+    };
+
     useEffect(() => {
         const handleMouseMove = (e: MouseEvent) => {
             if (!isDragging) return;
@@ -48,34 +71,49 @@ export default function DraggableWindow() {
         };
     }, [isDragging, dragOffset]);
 
+    useEffect(() => {
+        return () => {
+            audioRef.current?.pause();
+            audioRef.current = null;
+
+            if (nadaeTimeoutRef.current) {
+                clearTimeout(nadaeTimeoutRef.current);
+            }
+        };
+    }, []);
+
     return (
         isMobile ? (
             <figure className="mb-8 w-full h-auto">
-                <picture className="block bg-gray-100 rounded-xl aspect-3-2 overflow-hidden image-scale object-shadowed">
-                    <Image
-                        src="/full.webp"
-                        alt="Banner"
-                        width={1200}
-                        height={400}
-                        priority
-                        className="object-cover object-center transition-transform duration-300 hover:scale-105" 
-                    />
-                </picture>
+                <button
+                    type="button"
+                    className="block w-full rounded-xl text-left"
+                >
+                    <picture className="block bg-gray-100 rounded-xl aspect-3-2 overflow-hidden image-scale object-shadowed">
+                        <Image
+                            src={'/full.webp'}
+                            alt="Banner"
+                            width={1200}
+                            height={400}
+                            priority
+                            className="object-cover object-center transition-transform duration-300 hover:scale-105" 
+                        />
+                    </picture>
+                </button>
             </figure >
         ) : (
             isVisible && (
                 <div
                     ref={windowRef}
-                    className="fixed cursor-move select-none"
+                    className="fixed cursor-pointer select-none"
                     style={{
                         left: `${position.x}px`,
                         top: `${position.y}px`,
                     }}
-                    onMouseDown={handleMouseDown}
                 >
                     <div className="relative w-fit h-fit">
                         <Image
-                            src="/window.webp"
+                            src={isNadaeVisible ? '/image.png' : '/window.webp'}
                             alt="Draggable Window"
                             width={500}
                             height={400}
@@ -83,8 +121,19 @@ export default function DraggableWindow() {
                             draggable={false}
                         />
                         <button
-                            onClick={() => setIsVisible(false)}
-                            className="absolute top-1 right-2 w-5 h-5 cursor-pointer"
+                            type="button"
+                            onMouseDown={handleMouseDown}
+                            onClick={handleActivate}
+                            className="absolute inset-0 cursor-pointer"
+                            aria-label="Play audio"
+                        />
+                        <button
+                            type="button"
+                            onClick={(e) => {
+                                e.stopPropagation();
+                                setIsVisible(false);
+                            }}
+                            className="absolute top-1 right-2 z-10 w-5 h-5 cursor-pointer"
                             aria-label="Close window"
                         />
                     </div>