diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1e06f16bdf..7cf77d6083 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -30,6 +30,7 @@
   (Cherry-picked from https://github.com/taiyme/misskey/pull/238)
 - Enhance: AiScriptを0.19.0にアップデート
 - Enhance: Allow negative delay for MFM animation elements (`tada`, `jelly`, `twitch`, `shake`, `spin`, `jump`, `bounce`, `rainbow`)
+- Enhance: センシティブなメディアを開く際に確認ダイアログを出せるように
 - Fix: `/about#federation` ページなどで各インスタンスのチャートが表示されなくなっていた問題を修正
 - Fix: ユーザーページの追加情報のラベルを投稿者のサーバーの絵文字で表示する (#13968)
 - Fix: リバーシの対局を正しく共有できないことがある問題を修正
diff --git a/locales/index.d.ts b/locales/index.d.ts
index 694ee53a1f..55c65f2aed 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -5008,6 +5008,14 @@ export interface Locale extends ILocale {
      * もう一度お試しください。
      */
     "tryAgain": string;
+    /**
+     * センシティブなメディアを表示するとき確認する
+     */
+    "confirmWhenRevealingSensitiveMedia": string;
+    /**
+     * センシティブなメディアです。表示しますか？
+     */
+    "sensitiveMediaRevealConfirm": string;
     "_delivery": {
         /**
          * 配信状態
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index bb3999f0e3..3ca4b46682 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -1248,6 +1248,8 @@ noDescription: "説明文はありません"
 alwaysConfirmFollow: "フォローの際常に確認する"
 inquiry: "お問い合わせ"
 tryAgain: "もう一度お試しください。"
+confirmWhenRevealingSensitiveMedia: "センシティブなメディアを表示するとき確認する"
+sensitiveMediaRevealConfirm: "センシティブなメディアです。表示しますか？"
 
 _delivery:
   status: "配信状態"
diff --git a/packages/frontend/src/components/MkMediaAudio.vue b/packages/frontend/src/components/MkMediaAudio.vue
index 582cf238c0..a080550ddf 100644
--- a/packages/frontend/src/components/MkMediaAudio.vue
+++ b/packages/frontend/src/components/MkMediaAudio.vue
@@ -15,7 +15,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	@contextmenu.stop
 	@keydown.stop
 >
-	<button v-if="hide" :class="$style.hidden" @click="hide = false">
+	<button v-if="hide" :class="$style.hidden" @click="show">
 		<div :class="$style.hiddenTextWrapper">
 			<b v-if="audio.isSensitive" style="display: block;"><i class="ti ti-eye-exclamation"></i> {{ i18n.ts.sensitive }}{{ defaultStore.state.dataSaver.media ? ` (${i18n.ts.audio}${audio.size ? ' ' + bytes(audio.size) : ''})` : '' }}</b>
 			<b v-else style="display: block;"><i class="ti ti-music"></i> {{ defaultStore.state.dataSaver.media && audio.size ? bytes(audio.size) : i18n.ts.audio }}</b>
@@ -156,6 +156,18 @@ const audioEl = shallowRef<HTMLAudioElement>();
 // eslint-disable-next-line vue/no-setup-props-reactivity-loss
 const hide = ref((defaultStore.state.nsfw === 'force' || defaultStore.state.dataSaver.media) ? true : (props.audio.isSensitive && defaultStore.state.nsfw !== 'ignore'));
 
+async function show() {
+	if (props.audio.isSensitive && defaultStore.state.confirmWhenRevealingSensitiveMedia) {
+		const { canceled } = await os.confirm({
+			type: 'question',
+			text: i18n.ts.sensitiveMediaRevealConfirm,
+		});
+		if (canceled) return;
+	}
+
+	hide.value = false;
+}
+
 // Menu
 const menuShowing = ref(false);
 
diff --git a/packages/frontend/src/components/MkMediaBanner.vue b/packages/frontend/src/components/MkMediaBanner.vue
index a219848b7f..11995e1f3b 100644
--- a/packages/frontend/src/components/MkMediaBanner.vue
+++ b/packages/frontend/src/components/MkMediaBanner.vue
@@ -6,7 +6,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <template>
 <div :class="$style.root">
 	<MkMediaAudio v-if="media.type.startsWith('audio') && media.type !== 'audio/midi'" :audio="media"/>
-	<div v-else-if="media.isSensitive && hide" :class="$style.sensitive" @click="hide = false">
+	<div v-else-if="media.isSensitive && hide" :class="$style.sensitive" @click="show">
 		<span style="font-size: 1.6em;"><i class="ti ti-alert-triangle"></i></span>
 		<b>{{ i18n.ts.sensitive }}</b>
 		<span>{{ i18n.ts.clickToShow }}</span>
@@ -24,24 +24,30 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script lang="ts" setup>
-import { shallowRef, watch, ref } from 'vue';
+import { ref } from 'vue';
 import * as Misskey from 'misskey-js';
 import { i18n } from '@/i18n.js';
+import { defaultStore } from '@/store.js';
+import * as os from '@/os.js';
 import MkMediaAudio from '@/components/MkMediaAudio.vue';
 
-const props = withDefaults(defineProps<{
+const props = defineProps<{
 	media: Misskey.entities.DriveFile;
-}>(), {
-});
+}>();
 
-const audioEl = shallowRef<HTMLAudioElement>();
 const hide = ref(true);
 
-watch(audioEl, () => {
-	if (audioEl.value) {
-		audioEl.value.volume = 0.3;
+async function show() {
+	if (props.media.isSensitive && defaultStore.state.confirmWhenRevealingSensitiveMedia) {
+		const { canceled } = await os.confirm({
+			type: 'question',
+			text: i18n.ts.sensitiveMediaRevealConfirm,
+		});
+		if (canceled) return;
 	}
-});
+
+	hide.value = false;
+}
 </script>
 
 <style lang="scss" module>
diff --git a/packages/frontend/src/components/MkMediaImage.vue b/packages/frontend/src/components/MkMediaImage.vue
index 82f36fe5c4..0d1409e2c8 100644
--- a/packages/frontend/src/components/MkMediaImage.vue
+++ b/packages/frontend/src/components/MkMediaImage.vue
@@ -83,11 +83,21 @@ const url = computed(() => (props.raw || defaultStore.state.loadRawImages)
 		: props.image.thumbnailUrl,
 );
 
-function onclick() {
+async function onclick(ev: MouseEvent) {
 	if (!props.controls) {
 		return;
 	}
+
 	if (hide.value) {
+		ev.stopPropagation();
+		if (props.image.isSensitive && defaultStore.state.confirmWhenRevealingSensitiveMedia) {
+			const { canceled } = await os.confirm({
+				type: 'question',
+				text: i18n.ts.sensitiveMediaRevealConfirm,
+			});
+			if (canceled) return;
+		}
+
 		hide.value = false;
 	}
 }
diff --git a/packages/frontend/src/components/MkMediaList.vue b/packages/frontend/src/components/MkMediaList.vue
index 24b177d255..2300802dcf 100644
--- a/packages/frontend/src/components/MkMediaList.vue
+++ b/packages/frontend/src/components/MkMediaList.vue
@@ -138,15 +138,13 @@ onMounted(() => {
 		pswpModule: PhotoSwipe,
 	});
 
-	lightbox.on('itemData', (ev) => {
-		const { itemData } = ev;
-
+	lightbox.addFilter('itemData', (itemData) => {
 		// element is children
 		const { element } = itemData;
 
 		const id = element?.dataset.id;
 		const file = props.mediaList.find(media => media.id === id);
-		if (!file) return;
+		if (!file) return itemData;
 
 		itemData.src = file.url;
 		itemData.w = Number(file.properties.width);
@@ -158,6 +156,8 @@ onMounted(() => {
 		itemData.alt = file.comment ?? file.name;
 		itemData.comment = file.comment ?? file.name;
 		itemData.thumbCropped = true;
+
+		return itemData;
 	});
 
 	lightbox.on('uiRegister', () => {
diff --git a/packages/frontend/src/components/MkMediaVideo.vue b/packages/frontend/src/components/MkMediaVideo.vue
index 0ec0039df4..7c5a365148 100644
--- a/packages/frontend/src/components/MkMediaVideo.vue
+++ b/packages/frontend/src/components/MkMediaVideo.vue
@@ -18,7 +18,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	@contextmenu.stop
 	@keydown.stop
 >
-	<button v-if="hide" :class="$style.hidden" @click="hide = false">
+	<button v-if="hide" :class="$style.hidden" @click="show">
 		<div :class="$style.hiddenTextWrapper">
 			<b v-if="video.isSensitive" style="display: block;"><i class="ti ti-eye-exclamation"></i> {{ i18n.ts.sensitive }}{{ defaultStore.state.dataSaver.media ? ` (${i18n.ts.video}${video.size ? ' ' + bytes(video.size) : ''})` : '' }}</b>
 			<b v-else style="display: block;"><i class="ti ti-movie"></i> {{ defaultStore.state.dataSaver.media && video.size ? bytes(video.size) : i18n.ts.video }}</b>
@@ -176,6 +176,18 @@ function hasFocus() {
 // eslint-disable-next-line vue/no-setup-props-reactivity-loss
 const hide = ref((defaultStore.state.nsfw === 'force' || defaultStore.state.dataSaver.media) ? true : (props.video.isSensitive && defaultStore.state.nsfw !== 'ignore'));
 
+async function show() {
+	if (props.video.isSensitive && defaultStore.state.confirmWhenRevealingSensitiveMedia) {
+		const { canceled } = await os.confirm({
+			type: 'question',
+			text: i18n.ts.sensitiveMediaRevealConfirm,
+		});
+		if (canceled) return;
+	}
+
+	hide.value = false;
+}
+
 // Menu
 const menuShowing = ref(false);
 
diff --git a/packages/frontend/src/pages/settings/general.vue b/packages/frontend/src/pages/settings/general.vue
index cfc63f2a08..9e429f8dbd 100644
--- a/packages/frontend/src/pages/settings/general.vue
+++ b/packages/frontend/src/pages/settings/general.vue
@@ -169,6 +169,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<MkSwitch v-model="disableStreamingTimeline">{{ i18n.ts.disableStreamingTimeline }}</MkSwitch>
 				<MkSwitch v-model="enableHorizontalSwipe">{{ i18n.ts.enableHorizontalSwipe }}</MkSwitch>
 				<MkSwitch v-model="alwaysConfirmFollow">{{ i18n.ts.alwaysConfirmFollow }}</MkSwitch>
+				<MkSwitch v-model="confirmWhenRevealingSensitiveMedia">{{ i18n.ts.confirmWhenRevealingSensitiveMedia }}</MkSwitch>
 			</div>
 			<MkSelect v-model="serverDisconnectedBehavior">
 				<template #label>{{ i18n.ts.whenServerDisconnected }}</template>
@@ -315,6 +316,7 @@ const enableSeasonalScreenEffect = computed(defaultStore.makeGetterSetter('enabl
 const enableHorizontalSwipe = computed(defaultStore.makeGetterSetter('enableHorizontalSwipe'));
 const useNativeUIForVideoAudioPlayer = computed(defaultStore.makeGetterSetter('useNativeUIForVideoAudioPlayer'));
 const alwaysConfirmFollow = computed(defaultStore.makeGetterSetter('alwaysConfirmFollow'));
+const confirmWhenRevealingSensitiveMedia = computed(defaultStore.makeGetterSetter('confirmWhenRevealingSensitiveMedia'));
 
 watch(lang, () => {
 	miLocalStorage.setItem('lang', lang.value as string);
@@ -357,6 +359,7 @@ watch([
 	disableStreamingTimeline,
 	enableSeasonalScreenEffect,
 	alwaysConfirmFollow,
+	confirmWhenRevealingSensitiveMedia,
 ], async () => {
 	await reloadAsk();
 });
diff --git a/packages/frontend/src/store.ts b/packages/frontend/src/store.ts
index 9cb2742069..dbf6b8716f 100644
--- a/packages/frontend/src/store.ts
+++ b/packages/frontend/src/store.ts
@@ -454,6 +454,10 @@ export const defaultStore = markRaw(new Storage('base', {
 		where: 'device',
 		default: true,
 	},
+	confirmWhenRevealingSensitiveMedia: {
+		where: 'device',
+		default: false,
+	},
 
 	sound_masterVolume: {
 		where: 'device',