diff --git a/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.ts b/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.ts
index 6ce3b6752f0..f7a20c1d70d 100644
--- a/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.ts
+++ b/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.ts
@@ -224,6 +224,15 @@ export default function (props: MfmProps, { emit }: { emit: SetupContext<MfmEven
 						}
 						return h(MkSparkle, {}, genEl(token.children, scale));
 					}
+					case 'blink': {
+						if (!useAnim) {
+							return genEl(token.children, scale);
+						}
+						const speed = validTime(token.props.args.speed) ?? '1s';
+						const delay = validTime(token.props.args.delay) ?? '0s';
+						style = `animation: mfm-blink ${speed} linear infinite; animation-delay: ${delay};`;
+						break;
+					}
 					case 'rotate': {
 						const degrees = safeParseFloat(token.props.args.deg) ?? 90;
 						style = `transform: rotate(${degrees}deg); transform-origin: center center;`;
diff --git a/packages/frontend/src/const.ts b/packages/frontend/src/const.ts
index 0bac4d0b7ca..a6ef832c153 100644
--- a/packages/frontend/src/const.ts
+++ b/packages/frontend/src/const.ts
@@ -108,7 +108,7 @@ export const DEFAULT_SERVER_ERROR_IMAGE_URL = 'https://xn--931a.moe/assets/error
 export const DEFAULT_NOT_FOUND_IMAGE_URL = 'https://xn--931a.moe/assets/not-found.jpg';
 export const DEFAULT_INFO_IMAGE_URL = 'https://xn--931a.moe/assets/info.jpg';
 
-export const MFM_TAGS = ['tada', 'jelly', 'twitch', 'shake', 'spin', 'jump', 'bounce', 'flip', 'x2', 'x3', 'x4', 'scale', 'position', 'fg', 'bg', 'border', 'font', 'blur', 'rainbow', 'sparkle', 'rotate', 'ruby', 'unixtime'];
+export const MFM_TAGS = ['tada', 'jelly', 'twitch', 'shake', 'spin', 'jump', 'bounce', 'flip', 'x2', 'x3', 'x4', 'scale', 'position', 'fg', 'bg', 'border', 'font', 'blur', 'rainbow', 'sparkle', 'blink', 'rotate', 'ruby', 'unixtime'];
 export const MFM_PARAMS: Record<typeof MFM_TAGS[number], string[]> = {
 	tada: ['speed=', 'delay='],
 	jelly: ['speed=', 'delay='],
@@ -129,6 +129,7 @@ export const MFM_PARAMS: Record<typeof MFM_TAGS[number], string[]> = {
 	font: ['serif', 'monospace', 'cursive', 'fantasy', 'emoji', 'math'],
 	blur: [],
 	rainbow: ['speed=', 'delay='],
+	blink: ['speed=', 'delay='],
 	rotate: ['deg='],
 	ruby: [],
 	unixtime: [],
diff --git a/packages/frontend/src/style.scss b/packages/frontend/src/style.scss
index cbec3772779..5bd07e97a21 100644
--- a/packages/frontend/src/style.scss
+++ b/packages/frontend/src/style.scss
@@ -631,3 +631,9 @@ rt {
 	0% { filter: hue-rotate(0deg) contrast(150%) saturate(150%); }
 	100% { filter: hue-rotate(360deg) contrast(150%) saturate(150%); }
 }
+
+@keyframes mfm-blink {
+	0% { visibility: hidden; }
+	50% { visibility: hidden; }
+	100% { visibility: visible; }
+}