diff --git a/Home.md b/Home.md
index 0884d65..a1ff4d9 100644
--- a/Home.md
+++ b/Home.md
@@ -3,14 +3,18 @@ let videoId;
 let lastVideoId;
 let comments = [];
 
+const noon = new Audio ('//nizika.tv/assets/noon.wav');
+
+function time2second (time)
+{
+return (([m, s]) => m * 60 + (+s)) (time.split (':'));
+}
+
 setInterval (() => { 
 const sendBtn = document.getElementById ('niconico-comment-send');
 const comBox = document.getElementById ('niconico-comment-input');
 
-if (sendBtn == null)
-  return;
-
-sendBtn.addEventListener ('click', () =>
+const sendComment = () =>
 {
 const lang = document.querySelector ('html').lang;
 
@@ -28,9 +32,22 @@ document.querySelector ('textarea').dispatchEvent (new InputEvent('input', {
         }));
 setTimeout (() => { 
 document.querySelector ('button.peertube-button.orange-button.ng-star-inserted').click ();
+comments.push ({time: time2second (time), lang, style, content: comBox.value});
 comBox.value = '';
+noon.play ();
 }, 100);
-});
+};
+if (sendBtn == null || comBox == null)
+  return;
+
+    comBox.addEventListener ('keydown',
+        function (e)
+        {
+          if (e.key === 'Enter')
+            sendComment ();
+        });
+
+sendBtn.addEventListener ('click', sendComment);
 }, 1000);
 
 setInterval (async () =>
@@ -43,13 +60,37 @@ lastVideoId = videoId;
 
 if (videoId)
 {
-console.log (comments = (await fetch(`/api/v1/videos/${videoId}/comment-threads?count=100&sort=-createdAt`)
-    .then(response => response.ok && response.json ())).data.map (e => e.text).filter (e => (0 <= +e[0]) && (+e[0] <= 9) && ((e.match (/\//g) || []).length >= 3)).map (e => (([time, lang, style, ...contentParts]) => ({time: (([m, s]) => m * 60 + (+s)) (time.split (':')), lang, style, content: contentParts.join ('/')})) (e.split ('/'))).sort ((a, b) => a.time < b.time ? -1 : 1) );
+comments = (await fetch(`/api/v1/videos/${videoId}/comment-threads?count=100&sort=-createdAt`)
+    .then(response => response.ok && response.json ())).data.map (e => e.text).filter (e => (0 <= +e[0]) && (+e[0] <= 9) && ((e.match (/\//g) || []).length >= 3)).map (e => (([time, lang, style, ...contentParts]) => ({time: time2second (time), lang, style, content: contentParts.join ('/')})) (e.split ('/'))).sort ((a, b) => a.time < b.time ? -1 : 1) ;
 }
 }
 
+const canvas = document.querySelector ('#comment-canvas');
+if (canvas)
+{
+canvas.width = 1280;
+canvas.height = 720;
+}
+const ctx = canvas?.getContext ('2d');
+if (ctx)
+{
+ctx.font = '48px Arial'; // フォントサイズとフォントタイプを設定
+  ctx.textBaseline = 'top'
+ctx.clearRect(0, 0, canvas.width, canvas.height);
+ctx.lineWidth = 4;
+const curTime = document.querySelector ('video').currentTime
+comments.forEach ((e, i) =>
+{
+[['black', 'strokeText'], ['white', 'fillText']].forEach (([cl, f]) =>
+{
+ctx.fillStyle = cl;
+ctx[f] (e.content, canvas.width + (e.time - curTime - 1) * (canvas.width + e.content.length * 48) / 4, 6 + 60 * (i % 12));
+});
+});
+}
+
 let cmtStyle;
 if ((cmtStyle = document.querySelector ('.comment-threads')?.parentElement?.style) != null)
  cmtStyle.display = 'none';
-}, 100);
+}, 30);
 ```
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