diff --git a/CHANGELOG.md b/CHANGELOG.md
index 92bb2c8161..68db7f41c5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -44,6 +44,7 @@
 - Feat: 新しい実績を追加
 - Enhance: ノート詳細ページでリノート一覧、リアクション一覧タブを追加
 	- ノートのメニューからは当該項目は消えました
+- Enhance: センシティブなメディアを目立たせる設定を追加
 - Enhance: プロフィールにその人が作ったPlayの一覧出せるように
 - Enhance: メニューのスイッチの動作を改善
 - Enhance: 絵文字ピッカーの検索の表示件数を100件に増加
diff --git a/locales/index.d.ts b/locales/index.d.ts
index f7bc350e2b..3009c99185 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -713,6 +713,7 @@ export interface Locale {
     "alwaysMarkSensitive": string;
     "loadRawImages": string;
     "disableShowingAnimatedImages": string;
+    "highlightSensitiveMedia": string;
     "verificationEmailSent": string;
     "notSet": string;
     "emailVerified": string;
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 5436cf0494..b30fd5333d 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -710,6 +710,7 @@ lockedAccountInfo: "フォローを承認制にしても、ノートの公開範
 alwaysMarkSensitive: "デフォルトでメディアをセンシティブ設定にする"
 loadRawImages: "添付画像のサムネイルをオリジナル画質にする"
 disableShowingAnimatedImages: "アニメーション画像を再生しない"
+highlightSensitiveMedia: "メディアがセンシティブであることを分かりやすく表示"
 verificationEmailSent: "確認のメールを送信しました。メールに記載されたリンクにアクセスして、設定を完了してください。"
 notSet: "未設定"
 emailVerified: "メールアドレスが確認されました"
diff --git a/packages/frontend/src/components/MkMediaImage.vue b/packages/frontend/src/components/MkMediaImage.vue
index c2d442f59f..cc1c28a9e1 100644
--- a/packages/frontend/src/components/MkMediaImage.vue
+++ b/packages/frontend/src/components/MkMediaImage.vue
@@ -4,7 +4,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<div :class="hide ? $style.hidden : $style.visible" :style="darkMode ? '--c: rgb(255 255 255 / 2%);' : '--c: rgb(0 0 0 / 2%);'" @click="onclick">
+<div :class="[hide ? $style.hidden : $style.visible, (image.isSensitive && defaultStore.state.highlightSensitiveMedia) && $style.sensitive]" :style="darkMode ? '--c: rgb(255 255 255 / 2%);' : '--c: rgb(0 0 0 / 2%);'" @click="onclick">
 	<component
 		:is="disableImageLink ? 'div' : 'a'"
 		v-bind="disableImageLink ? {
@@ -26,7 +26,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			:title="image.comment || image.name"
 			:width="image.properties.width"
 			:height="image.properties.height"
-			:style="hide ? 'filter: brightness(0.5);' : null"
+			:style="hide ? 'filter: brightness(0.7);' : null"
 		/>
 	</component>
 	<template v-if="hide">
@@ -124,6 +124,22 @@ function showMenu(ev: MouseEvent) {
 	position: relative;
 }
 
+.sensitive {
+	position: relative;
+	
+	&::after {
+		content: "";
+		position: absolute;
+		top: 0;
+		left: 0;
+		width: 100%;
+		height: 100%;
+		pointer-events: none;
+		border-radius: inherit;
+		box-shadow: inset 0 0 0 4px var(--warn);
+	}
+}
+
 .hiddenText {
 	position: absolute;
 	left: 0;
diff --git a/packages/frontend/src/components/MkMediaVideo.vue b/packages/frontend/src/components/MkMediaVideo.vue
index c5afe09745..751b5f7570 100644
--- a/packages/frontend/src/components/MkMediaVideo.vue
+++ b/packages/frontend/src/components/MkMediaVideo.vue
@@ -4,7 +4,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<div v-if="hide" :class="$style.hidden" @click="hide = false">
+<div v-if="hide" :class="[$style.hidden, (video.isSensitive && defaultStore.state.highlightSensitiveMedia) && $style.sensitiveContainer]" @click="hide = false">
 	<!-- 【注意】dataSaverMode が有効になっている際には、hide が false になるまでサムネイルや動画を読み込まないようにすること -->
 	<div :class="$style.sensitive">
 		<b v-if="video.isSensitive" style="display: block;"><i class="ti ti-alert-triangle"></i> {{ i18n.ts.sensitive }}{{ defaultStore.state.enableDataSaverMode ? ` (${i18n.ts.video}${video.size ? ' ' + bytes(video.size) : ''})` : '' }}</b>
@@ -12,7 +12,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<span>{{ i18n.ts.clickToShow }}</span>
 	</div>
 </div>
-<div v-else :class="$style.visible">
+<div v-else :class="[$style.visible, (video.isSensitive && defaultStore.state.highlightSensitiveMedia) && $style.sensitiveContainer]">
 	<video
 		:class="$style.video"
 		:poster="video.thumbnailUrl"
@@ -49,6 +49,22 @@ const hide = ref((defaultStore.state.nsfw === 'force' || defaultStore.state.enab
 	position: relative;
 }
 
+.sensitiveContainer {
+	position: relative;
+
+	&::after {
+		content: "";
+		position: absolute;
+		top: 0;
+		left: 0;
+		width: 100%;
+		height: 100%;
+		pointer-events: none;
+		border-radius: inherit;
+		box-shadow: inset 0 0 0 4px var(--warn);
+	}
+}
+
 .hide {
 	display: block;
 	position: absolute;
diff --git a/packages/frontend/src/pages/settings/general.vue b/packages/frontend/src/pages/settings/general.vue
index 6c59830614..a536bd1baa 100644
--- a/packages/frontend/src/pages/settings/general.vue
+++ b/packages/frontend/src/pages/settings/general.vue
@@ -115,6 +115,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<MkSwitch v-model="useBlurEffect">{{ i18n.ts.useBlurEffect }}</MkSwitch>
 				<MkSwitch v-model="useBlurEffectForModal">{{ i18n.ts.useBlurEffectForModal }}</MkSwitch>
 				<MkSwitch v-model="disableShowingAnimatedImages">{{ i18n.ts.disableShowingAnimatedImages }}</MkSwitch>
+				<MkSwitch v-model="highlightSensitiveMedia">{{ i18n.ts.highlightSensitiveMedia }}</MkSwitch>
 				<MkSwitch v-model="squareAvatars">{{ i18n.ts.squareAvatars }}</MkSwitch>
 				<MkSwitch v-model="useSystemFont">{{ i18n.ts.useSystemFont }}</MkSwitch>
 				<MkSwitch v-model="disableDrawer">{{ i18n.ts.disableDrawer }}</MkSwitch>
@@ -234,6 +235,7 @@ const disableDrawer = computed(defaultStore.makeGetterSetter('disableDrawer'));
 const disableShowingAnimatedImages = computed(defaultStore.makeGetterSetter('disableShowingAnimatedImages'));
 const forceShowAds = computed(defaultStore.makeGetterSetter('forceShowAds'));
 const loadRawImages = computed(defaultStore.makeGetterSetter('loadRawImages'));
+const highlightSensitiveMedia = computed(defaultStore.makeGetterSetter('highlightSensitiveMedia'));
 const enableDataSaverMode = computed(defaultStore.makeGetterSetter('enableDataSaverMode'));
 const imageNewTab = computed(defaultStore.makeGetterSetter('imageNewTab'));
 const nsfw = computed(defaultStore.makeGetterSetter('nsfw'));
@@ -283,6 +285,7 @@ watch([
 	overridedDeviceKind,
 	mediaListWithOneImageAppearance,
 	reactionsDisplaySize,
+	highlightSensitiveMedia,
 	keepScreenOn,
 ], async () => {
 	await reloadAsk();
diff --git a/packages/frontend/src/store.ts b/packages/frontend/src/store.ts
index 8a43ba892d..16483f0cf7 100644
--- a/packages/frontend/src/store.ts
+++ b/packages/frontend/src/store.ts
@@ -185,6 +185,10 @@ export const defaultStore = markRaw(new Storage('base', {
 		where: 'device',
 		default: 'respect' as 'respect' | 'force' | 'ignore',
 	},
+	highlightSensitiveMedia: {
+		where: 'device',
+		default: false,
+	},
 	animation: {
 		where: 'device',
 		default: !window.matchMedia('(prefers-reduced-motion)').matches,