diff --git a/packages/frontend-shared/js/i18n.ts b/packages/frontend-shared/js/i18n.ts
index 480cfcd642..d38bad45d9 100644
--- a/packages/frontend-shared/js/i18n.ts
+++ b/packages/frontend-shared/js/i18n.ts
@@ -59,6 +59,7 @@ export class I18n<T extends ILocale> {
 					if (typeof value === 'string') {
 						const parameters = Array.from(value.matchAll(/\{(\w+)\}/g), ([, parameter]) => parameter);
 
+						// TODO add a flag to suppress this warning from uses of <I18n> component
 						if (parameters.length) {
 							console.error(`Missing locale parameters: ${parameters.join(', ')} at ${String(p)}`);
 						}
diff --git a/packages/frontend/src/components/MkNoteDetailed.vue b/packages/frontend/src/components/MkNoteDetailed.vue
index 5bf1cde456..f702c7c422 100644
--- a/packages/frontend/src/components/MkNoteDetailed.vue
+++ b/packages/frontend/src/components/MkNoteDetailed.vue
@@ -230,11 +230,28 @@ SPDX-License-Identifier: AGPL-3.0-only
 	</div>
 </div>
 <div v-else class="_panel" :class="$style.muted" @click="muted = false">
-	<I18n :src="i18n.ts.userSaysSomething" tag="small">
+	<I18n v-if="muted === 'sensitiveMute'" :src="i18n.ts.userSaysSomethingSensitive" tag="small">
 		<template #name>
 			<MkUserName :user="appearNote.user"/>
 		</template>
 	</I18n>
+	<I18n v-else-if="showSoftWordMutedWord !== true" :src="i18n.ts.userSaysSomething" tag="small">
+		<template #name>
+			<MkA v-user-preview="appearNote.userId" :to="userPage(appearNote.user)">
+				<MkUserName :user="appearNote.user"/>
+			</MkA>
+		</template>
+	</I18n>
+	<I18n v-else :src="i18n.ts.userSaysSomethingAbout" tag="small">
+		<template #name>
+			<MkA v-user-preview="appearNote.userId" :to="userPage(appearNote.user)">
+				<MkUserName :user="appearNote.user"/>
+			</MkA>
+		</template>
+		<template #word>
+			{{ Array.isArray(muted) ? muted.map(words => Array.isArray(words) ? words.join() : words).slice(0, 3).join(' ') : muted }}
+		</template>
+	</I18n>
 </div>
 </template>
 
@@ -245,6 +262,7 @@ import * as Misskey from 'misskey-js';
 import { isLink } from '@@/js/is-link.js';
 import { host } from '@@/js/config.js';
 import { computeMergedCw } from '@@/js/compute-merged-cw.js';
+import type { Ref } from 'vue';
 import type { OpenOnRemoteOptions } from '@/utility/please-login.js';
 import type { Paging } from '@/components/MkPagination.vue';
 import type { Keymap } from '@/utility/hotkey.js';
@@ -340,7 +358,6 @@ const isMyRenote = $i && ($i.id === note.value.userId);
 const showContent = ref(prefer.s.uncollapseCW);
 const isDeleted = ref(false);
 const renoted = ref(false);
-const muted = ref($i ? checkWordMute(appearNote.value, $i, $i.mutedWords) : false);
 const translation = ref<Misskey.entities.NotesTranslateResponse | null>(null);
 const translating = ref(false);
 const parsed = appearNote.value.text ? mfm.parse(appearNote.value.text) : null;
@@ -358,6 +375,36 @@ const mergedCW = computed(() => computeMergedCw(appearNote.value));
 
 const renoteTooltip = computeRenoteTooltip(renoted);
 
+const inTimeline = inject<boolean>('inTimeline', false);
+const tl_withSensitive = inject<Ref<boolean>>('tl_withSensitive', ref(true));
+const muted = ref(checkMute(appearNote.value, $i?.mutedWords));
+const showSoftWordMutedWord = computed(() => prefer.s.showSoftWordMutedWord);
+
+/* Overload FunctionにLintが対応していないのでコメントアウト
+function checkMute(noteToCheck: Misskey.entities.Note, mutedWords: Array<string | string[]> | undefined | null, checkOnly: true): boolean;
+function checkMute(noteToCheck: Misskey.entities.Note, mutedWords: Array<string | string[]> | undefined | null, checkOnly: false): Array<string | string[]> | false | 'sensitiveMute';
+*/
+function checkMute(noteToCheck: Misskey.entities.Note, mutedWords: Array<string | string[]> | undefined | null, checkOnly = false): Array<string | string[]> | false | 'sensitiveMute' {
+	if (mutedWords != null) {
+		const result = checkWordMute(noteToCheck, $i, mutedWords);
+		if (Array.isArray(result)) return result;
+
+		const replyResult = noteToCheck.reply && checkWordMute(noteToCheck.reply, $i, mutedWords);
+		if (Array.isArray(replyResult)) return replyResult;
+
+		const renoteResult = noteToCheck.renote && checkWordMute(noteToCheck.renote, $i, mutedWords);
+		if (Array.isArray(renoteResult)) return renoteResult;
+	}
+
+	if (checkOnly) return false;
+
+	if (inTimeline && tl_withSensitive.value === false && noteToCheck.files?.some((v) => v.isSensitive)) {
+		return 'sensitiveMute';
+	}
+
+	return false;
+}
+
 watch(() => props.expandAllCws, (expandAllCws) => {
 	if (expandAllCws !== showContent.value) showContent.value = expandAllCws;
 });
diff --git a/packages/frontend/src/components/MkNoteSub.vue b/packages/frontend/src/components/MkNoteSub.vue
index 9751dbbc5c..c017efa3f3 100644
--- a/packages/frontend/src/components/MkNoteSub.vue
+++ b/packages/frontend/src/components/MkNoteSub.vue
@@ -73,19 +73,33 @@ SPDX-License-Identifier: AGPL-3.0-only
 	</div>
 </div>
 <div v-else :class="$style.muted" @click="muted = false">
-	<I18n :src="i18n.ts.userSaysSomething" tag="small">
+	<I18n v-if="muted === 'sensitiveMute'" :src="i18n.ts.userSaysSomethingSensitive" tag="small">
 		<template #name>
 			<MkUserName :user="appearNote.user"/>
 		</template>
 	</I18n>
+	<I18n v-else-if="showSoftWordMutedWord !== true" :src="i18n.ts.userSaysSomething" tag="small">
+		<template #name>
+			<MkUserName :user="appearNote.user"/>
+		</template>
+	</I18n>
+	<I18n v-else :src="i18n.ts.userSaysSomethingAbout" tag="small">
+		<template #name>
+			<MkUserName :user="appearNote.user"/>
+		</template>
+		<template #word>
+			{{ Array.isArray(muted) ? muted.map(words => Array.isArray(words) ? words.join() : words).slice(0, 3).join(' ') : muted }}
+		</template>
+	</I18n>
 </div>
 </template>
 
 <script lang="ts" setup>
-import { computed, ref, shallowRef, watch } from 'vue';
+import { computed, inject, ref, shallowRef, watch } from 'vue';
 import * as Misskey from 'misskey-js';
 import { computeMergedCw } from '@@/js/compute-merged-cw.js';
 import { host } from '@@/js/config.js';
+import type { Ref } from 'vue';
 import type { Visibility } from '@/utility/boost-quote.js';
 import type { OpenOnRemoteOptions } from '@/utility/please-login.js';
 import MkNoteHeader from '@/components/MkNoteHeader.vue';
@@ -126,7 +140,6 @@ const props = withDefaults(defineProps<{
 const canRenote = computed(() => ['public', 'home'].includes(props.note.visibility) || props.note.userId === $i?.id);
 
 const el = shallowRef<HTMLElement>();
-const muted = computed(() => $i ? checkWordMute(props.note, $i, $i.mutedWords) : false);
 const translation = ref<any>(null);
 const translating = ref(false);
 const isDeleted = ref(false);
@@ -170,6 +183,36 @@ async function removeReply(id: Misskey.entities.Note['id']) {
 	}
 }
 
+const inTimeline = inject<boolean>('inTimeline', false);
+const tl_withSensitive = inject<Ref<boolean>>('tl_withSensitive', ref(true));
+const muted = ref(checkMute(appearNote.value, $i?.mutedWords));
+const showSoftWordMutedWord = computed(() => prefer.s.showSoftWordMutedWord);
+
+/* Overload FunctionにLintが対応していないのでコメントアウト
+function checkMute(noteToCheck: Misskey.entities.Note, mutedWords: Array<string | string[]> | undefined | null, checkOnly: true): boolean;
+function checkMute(noteToCheck: Misskey.entities.Note, mutedWords: Array<string | string[]> | undefined | null, checkOnly: false): Array<string | string[]> | false | 'sensitiveMute';
+*/
+function checkMute(noteToCheck: Misskey.entities.Note, mutedWords: Array<string | string[]> | undefined | null, checkOnly = false): Array<string | string[]> | false | 'sensitiveMute' {
+	if (mutedWords != null) {
+		const result = checkWordMute(noteToCheck, $i, mutedWords);
+		if (Array.isArray(result)) return result;
+
+		const replyResult = noteToCheck.reply && checkWordMute(noteToCheck.reply, $i, mutedWords);
+		if (Array.isArray(replyResult)) return replyResult;
+
+		const renoteResult = noteToCheck.renote && checkWordMute(noteToCheck.renote, $i, mutedWords);
+		if (Array.isArray(renoteResult)) return renoteResult;
+	}
+
+	if (checkOnly) return false;
+
+	if (inTimeline && tl_withSensitive.value === false && noteToCheck.files?.some((v) => v.isSensitive)) {
+		return 'sensitiveMute';
+	}
+
+	return false;
+}
+
 useNoteCapture({
 	rootEl: el,
 	note: appearNote,
diff --git a/packages/frontend/src/components/SkNoteDetailed.vue b/packages/frontend/src/components/SkNoteDetailed.vue
index c785a82bae..71670c8f51 100644
--- a/packages/frontend/src/components/SkNoteDetailed.vue
+++ b/packages/frontend/src/components/SkNoteDetailed.vue
@@ -235,11 +235,28 @@ SPDX-License-Identifier: AGPL-3.0-only
 	</div>
 </div>
 <div v-else class="_panel" :class="$style.muted" @click="muted = false">
-	<I18n :src="i18n.ts.userSaysSomething" tag="small">
+	<I18n v-if="muted === 'sensitiveMute'" :src="i18n.ts.userSaysSomethingSensitive" tag="small">
 		<template #name>
 			<MkUserName :user="appearNote.user"/>
 		</template>
 	</I18n>
+	<I18n v-else-if="showSoftWordMutedWord !== true" :src="i18n.ts.userSaysSomething" tag="small">
+		<template #name>
+			<MkA v-user-preview="appearNote.userId" :to="userPage(appearNote.user)">
+				<MkUserName :user="appearNote.user"/>
+			</MkA>
+		</template>
+	</I18n>
+	<I18n v-else :src="i18n.ts.userSaysSomethingAbout" tag="small">
+		<template #name>
+			<MkA v-user-preview="appearNote.userId" :to="userPage(appearNote.user)">
+				<MkUserName :user="appearNote.user"/>
+			</MkA>
+		</template>
+		<template #word>
+			{{ Array.isArray(muted) ? muted.map(words => Array.isArray(words) ? words.join() : words).slice(0, 3).join(' ') : muted }}
+		</template>
+	</I18n>
 </div>
 </template>
 
@@ -250,6 +267,7 @@ import * as Misskey from 'misskey-js';
 import { isLink } from '@@/js/is-link.js';
 import { host } from '@@/js/config.js';
 import { computeMergedCw } from '@@/js/compute-merged-cw.js';
+import type { Ref } from 'vue';
 import type { OpenOnRemoteOptions } from '@/utility/please-login.js';
 import type { Paging } from '@/components/MkPagination.vue';
 import type { Keymap } from '@/utility/hotkey.js';
@@ -346,7 +364,6 @@ const isMyRenote = $i && ($i.id === note.value.userId);
 const showContent = ref(prefer.s.uncollapseCW);
 const isDeleted = ref(false);
 const renoted = ref(false);
-const muted = ref($i ? checkWordMute(appearNote.value, $i, $i.mutedWords) : false);
 const translation = ref<Misskey.entities.NotesTranslateResponse | null>(null);
 const translating = ref(false);
 const parsed = appearNote.value.text ? mfm.parse(appearNote.value.text) : null;
@@ -364,6 +381,36 @@ const mergedCW = computed(() => computeMergedCw(appearNote.value));
 
 const renoteTooltip = computeRenoteTooltip(renoted);
 
+const inTimeline = inject<boolean>('inTimeline', false);
+const tl_withSensitive = inject<Ref<boolean>>('tl_withSensitive', ref(true));
+const muted = ref(checkMute(appearNote.value, $i?.mutedWords));
+const showSoftWordMutedWord = computed(() => prefer.s.showSoftWordMutedWord);
+
+/* Overload FunctionにLintが対応していないのでコメントアウト
+function checkMute(noteToCheck: Misskey.entities.Note, mutedWords: Array<string | string[]> | undefined | null, checkOnly: true): boolean;
+function checkMute(noteToCheck: Misskey.entities.Note, mutedWords: Array<string | string[]> | undefined | null, checkOnly: false): Array<string | string[]> | false | 'sensitiveMute';
+*/
+function checkMute(noteToCheck: Misskey.entities.Note, mutedWords: Array<string | string[]> | undefined | null, checkOnly = false): Array<string | string[]> | false | 'sensitiveMute' {
+	if (mutedWords != null) {
+		const result = checkWordMute(noteToCheck, $i, mutedWords);
+		if (Array.isArray(result)) return result;
+
+		const replyResult = noteToCheck.reply && checkWordMute(noteToCheck.reply, $i, mutedWords);
+		if (Array.isArray(replyResult)) return replyResult;
+
+		const renoteResult = noteToCheck.renote && checkWordMute(noteToCheck.renote, $i, mutedWords);
+		if (Array.isArray(renoteResult)) return renoteResult;
+	}
+
+	if (checkOnly) return false;
+
+	if (inTimeline && tl_withSensitive.value === false && noteToCheck.files?.some((v) => v.isSensitive)) {
+		return 'sensitiveMute';
+	}
+
+	return false;
+}
+
 watch(() => props.expandAllCws, (expandAllCws) => {
 	if (expandAllCws !== showContent.value) showContent.value = expandAllCws;
 });
diff --git a/packages/frontend/src/components/SkNoteSub.vue b/packages/frontend/src/components/SkNoteSub.vue
index 8d3a643b13..143642f64f 100644
--- a/packages/frontend/src/components/SkNoteSub.vue
+++ b/packages/frontend/src/components/SkNoteSub.vue
@@ -81,19 +81,33 @@ SPDX-License-Identifier: AGPL-3.0-only
 	</div>
 </div>
 <div v-else :class="$style.muted" @click="muted = false">
-	<I18n :src="i18n.ts.userSaysSomething" tag="small">
+	<I18n v-if="muted === 'sensitiveMute'" :src="i18n.ts.userSaysSomethingSensitive" tag="small">
 		<template #name>
 			<MkUserName :user="appearNote.user"/>
 		</template>
 	</I18n>
+	<I18n v-else-if="showSoftWordMutedWord !== true" :src="i18n.ts.userSaysSomething" tag="small">
+		<template #name>
+			<MkUserName :user="appearNote.user"/>
+		</template>
+	</I18n>
+	<I18n v-else :src="i18n.ts.userSaysSomethingAbout" tag="small">
+		<template #name>
+			<MkUserName :user="appearNote.user"/>
+		</template>
+		<template #word>
+			{{ Array.isArray(muted) ? muted.map(words => Array.isArray(words) ? words.join() : words).slice(0, 3).join(' ') : muted }}
+		</template>
+	</I18n>
 </div>
 </template>
 
 <script lang="ts" setup>
-import { computed, ref, shallowRef, watch } from 'vue';
+import { computed, inject, ref, shallowRef, watch } from 'vue';
 import * as Misskey from 'misskey-js';
 import { computeMergedCw } from '@@/js/compute-merged-cw.js';
 import { host } from '@@/js/config.js';
+import type { Ref } from 'vue';
 import type { Visibility } from '@/utility/boost-quote.js';
 import type { OpenOnRemoteOptions } from '@/utility/please-login.js';
 import SkNoteHeader from '@/components/SkNoteHeader.vue';
@@ -140,7 +154,6 @@ const canRenote = computed(() => ['public', 'home'].includes(props.note.visibili
 const hideLine = computed(() => props.detail);
 
 const el = shallowRef<HTMLElement>();
-const muted = ref($i ? checkWordMute(props.note, $i, $i.mutedWords) : false);
 const translation = ref<any>(null);
 const translating = ref(false);
 const isDeleted = ref(false);
@@ -184,6 +197,36 @@ async function removeReply(id: Misskey.entities.Note['id']) {
 	}
 }
 
+const inTimeline = inject<boolean>('inTimeline', false);
+const tl_withSensitive = inject<Ref<boolean>>('tl_withSensitive', ref(true));
+const muted = ref(checkMute(appearNote.value, $i?.mutedWords));
+const showSoftWordMutedWord = computed(() => prefer.s.showSoftWordMutedWord);
+
+/* Overload FunctionにLintが対応していないのでコメントアウト
+function checkMute(noteToCheck: Misskey.entities.Note, mutedWords: Array<string | string[]> | undefined | null, checkOnly: true): boolean;
+function checkMute(noteToCheck: Misskey.entities.Note, mutedWords: Array<string | string[]> | undefined | null, checkOnly: false): Array<string | string[]> | false | 'sensitiveMute';
+*/
+function checkMute(noteToCheck: Misskey.entities.Note, mutedWords: Array<string | string[]> | undefined | null, checkOnly = false): Array<string | string[]> | false | 'sensitiveMute' {
+	if (mutedWords != null) {
+		const result = checkWordMute(noteToCheck, $i, mutedWords);
+		if (Array.isArray(result)) return result;
+
+		const replyResult = noteToCheck.reply && checkWordMute(noteToCheck.reply, $i, mutedWords);
+		if (Array.isArray(replyResult)) return replyResult;
+
+		const renoteResult = noteToCheck.renote && checkWordMute(noteToCheck.renote, $i, mutedWords);
+		if (Array.isArray(renoteResult)) return renoteResult;
+	}
+
+	if (checkOnly) return false;
+
+	if (inTimeline && tl_withSensitive.value === false && noteToCheck.files?.some((v) => v.isSensitive)) {
+		return 'sensitiveMute';
+	}
+
+	return false;
+}
+
 useNoteCapture({
 	rootEl: el,
 	note: appearNote,