diff --git a/packages/client/src/components/reactions-viewer.reaction.vue b/packages/client/src/components/reactions-viewer.reaction.vue
index 91a90a699..ee40615f1 100644
--- a/packages/client/src/components/reactions-viewer.reaction.vue
+++ b/packages/client/src/components/reactions-viewer.reaction.vue
@@ -12,106 +12,81 @@
 </button>
 </template>
 
-<script lang="ts">
-import { computed, defineComponent, onMounted, ref, watch } from 'vue';
+<script lang="ts" setup>
+import { computed, onMounted, ref, watch } from 'vue';
+import * as misskey from 'misskey-js';
 import XDetails from '@/components/reactions-viewer.details.vue';
 import XReactionIcon from '@/components/reaction-icon.vue';
 import * as os from '@/os';
 import { useTooltip } from '@/scripts/use-tooltip';
 import { $i } from '@/account';
 
-export default defineComponent({
-	components: {
-		XReactionIcon
-	},
+const props = defineProps<{
+	reaction: string;
+	count: number;
+	isInitial: boolean;
+	note: misskey.entities.Note;
+}>();
 
-	props: {
-		reaction: {
-			type: String,
-			required: true,
-		},
-		count: {
-			type: Number,
-			required: true,
-		},
-		isInitial: {
-			type: Boolean,
-			required: true,
-		},
-		note: {
-			type: Object,
-			required: true,
-		},
-	},
+const buttonRef = ref<HTMLElement>();
 
-	setup(props) {
-		const buttonRef = ref<HTMLElement>();
+const canToggle = computed(() => !props.reaction.match(/@\w/) && $i);
 
-		const canToggle = computed(() => !props.reaction.match(/@\w/) && $i);
+const toggleReaction = () => {
+	if (!canToggle.value) return;
 
-		const toggleReaction = () => {
-			if (!canToggle.value) return;
-
-			const oldReaction = props.note.myReaction;
-			if (oldReaction) {
-				os.api('notes/reactions/delete', {
-					noteId: props.note.id
-				}).then(() => {
-					if (oldReaction !== props.reaction) {
-						os.api('notes/reactions/create', {
-							noteId: props.note.id,
-							reaction: props.reaction
-						});
-					}
-				});
-			} else {
+	const oldReaction = props.note.myReaction;
+	if (oldReaction) {
+		os.api('notes/reactions/delete', {
+			noteId: props.note.id,
+		}).then(() => {
+			if (oldReaction !== props.reaction) {
 				os.api('notes/reactions/create', {
 					noteId: props.note.id,
-					reaction: props.reaction
+					reaction: props.reaction,
 				});
 			}
-		};
-
-		const anime = () => {
-			if (document.hidden) return;
-
-			// TODO: 新しくリアクションが付いたことが視覚的に分かりやすいアニメーション
-		};
-
-		watch(() => props.count, (newCount, oldCount) => {
-			if (oldCount < newCount) anime();
 		});
-
-		onMounted(() => {
-			if (!props.isInitial) anime();
+	} else {
+		os.api('notes/reactions/create', {
+			noteId: props.note.id,
+			reaction: props.reaction,
 		});
+	}
+};
 
-		useTooltip(buttonRef, async (showing) => {
-			const reactions = await os.api('notes/reactions', {
-				noteId: props.note.id,
-				type: props.reaction,
-				limit: 11
-			});
+const anime = () => {
+	if (document.hidden) return;
 
-			const users = reactions.map(x => x.user);
+	// TODO: 新しくリアクションが付いたことが視覚的に分かりやすいアニメーション
+};
 
-			os.popup(XDetails, {
-				showing,
-				reaction: props.reaction,
-				emojis: props.note.emojis,
-				users,
-				count: props.count,
-				targetElement: buttonRef.value,
-			}, {}, 'closed');
-		});
-
-		return {
-			buttonRef,
-			canToggle,
-			toggleReaction,
-		};
-	},
+watch(() => props.count, (newCount, oldCount) => {
+	if (oldCount < newCount) anime();
 });
+
+onMounted(() => {
+	if (!props.isInitial) anime();
+});
+
+useTooltip(buttonRef, async (showing) => {
+	const reactions = await os.api('notes/reactions', {
+		noteId: props.note.id,
+		type: props.reaction,
+		limit: 11,
+	});
+
+	const users = reactions.map(x => x.user);
+
+	os.popup(XDetails, {
+		showing,
+		reaction: props.reaction,
+		emojis: props.note.emojis,
+		users,
+		count: props.count,
+		targetElement: buttonRef.value,
+	}, {}, 'closed');
+}, 100);
 </script>
 
 <style lang="scss" scoped>
diff --git a/packages/client/src/scripts/use-tooltip.ts b/packages/client/src/scripts/use-tooltip.ts
index bc8f27a03..1f6e0fb6c 100644
--- a/packages/client/src/scripts/use-tooltip.ts
+++ b/packages/client/src/scripts/use-tooltip.ts
@@ -3,6 +3,7 @@ import { Ref, ref, watch, onUnmounted } from 'vue';
 export function useTooltip(
 	elRef: Ref<HTMLElement | { $el: HTMLElement } | null | undefined>,
 	onShow: (showing: Ref<boolean>) => void,
+	delay = 300,
 ): void {
 	let isHovering = false;
 
@@ -40,7 +41,7 @@ export function useTooltip(
 		if (isHovering) return;
 		if (shouldIgnoreMouseover) return;
 		isHovering = true;
-		timeoutId = window.setTimeout(open, 300);
+		timeoutId = window.setTimeout(open, delay);
 	};
 
 	const onMouseleave = () => {
@@ -54,7 +55,7 @@ export function useTooltip(
 		shouldIgnoreMouseover = true;
 		if (isHovering) return;
 		isHovering = true;
-		timeoutId = window.setTimeout(open, 300);
+		timeoutId = window.setTimeout(open, delay);
 	};
 
 	const onTouchend = () => {