diff --git a/packages/embed/src/components/EmCustomEmoji.vue b/packages/embed/src/components/EmCustomEmoji.vue
new file mode 100644
index 0000000000..ad493c936b
--- /dev/null
+++ b/packages/embed/src/components/EmCustomEmoji.vue
@@ -0,0 +1,98 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<img
+	v-if="errored && fallbackToImage"
+	:class="[$style.root, { [$style.normal]: normal, [$style.noStyle]: noStyle }]"
+	src="/client-assets/dummy.png"
+	:title="alt"
+/>
+<span v-else-if="errored">:{{ customEmojiName }}:</span>
+<img
+	v-else
+	:class="[$style.root, { [$style.normal]: normal, [$style.noStyle]: noStyle }]"
+	:src="url"
+	:alt="alt"
+	:title="alt"
+	decoding="async"
+	@error="errored = true"
+	@load="errored = false"
+/>
+</template>
+
+<script lang="ts" setup>
+import { computed, inject, ref } from 'vue';
+import { getProxiedImageUrl } from '@/scripts/media-proxy.js';
+import { customEmojisMap } from '@/custom-emojis.js';
+
+const props = defineProps<{
+	name: string;
+	normal?: boolean;
+	noStyle?: boolean;
+	host?: string | null;
+	url?: string;
+	useOriginalSize?: boolean;
+	menu?: boolean;
+	menuReaction?: boolean;
+	fallbackToImage?: boolean;
+}>();
+
+const customEmojiName = computed(() => (props.name[0] === ':' ? props.name.substring(1, props.name.length - 1) : props.name).replace('@.', ''));
+const isLocal = computed(() => !props.host && (customEmojiName.value.endsWith('@.') || !customEmojiName.value.includes('@')));
+
+const rawUrl = computed(() => {
+	if (props.url) {
+		return props.url;
+	}
+	if (isLocal.value) {
+		return customEmojisMap.get(customEmojiName.value)?.url ?? null;
+	}
+	return props.host ? `/emoji/${customEmojiName.value}@${props.host}.webp` : `/emoji/${customEmojiName.value}.webp`;
+});
+
+const url = computed(() => {
+	if (rawUrl.value == null) return undefined;
+
+	const proxied =
+		(rawUrl.value.startsWith('/emoji/') || (props.useOriginalSize && isLocal.value))
+			? rawUrl.value
+			: getProxiedImageUrl(
+				rawUrl.value,
+				props.useOriginalSize ? undefined : 'emoji',
+				false,
+				true,
+			);
+	return proxied;
+});
+
+const alt = computed(() => `:${customEmojiName.value}:`);
+const errored = ref(url.value == null);
+</script>
+
+<style lang="scss" module>
+.root {
+	height: 2em;
+	vertical-align: middle;
+	transition: transform 0.2s ease;
+
+	&:hover {
+		transform: scale(1.2);
+	}
+}
+
+.normal {
+	height: 1.25em;
+	vertical-align: -0.25em;
+
+	&:hover {
+		transform: none;
+	}
+}
+
+.noStyle {
+	height: auto !important;
+}
+</style>
diff --git a/packages/embed/src/components/EmEmoji.vue b/packages/embed/src/components/EmEmoji.vue
new file mode 100644
index 0000000000..9c821e586d
--- /dev/null
+++ b/packages/embed/src/components/EmEmoji.vue
@@ -0,0 +1,28 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<span :alt="props.emoji">{{ colorizedNativeEmoji }}</span>
+</template>
+
+<script lang="ts" setup>
+import { computed } from 'vue';
+import { colorizeEmoji } from '@/scripts/emojilist.js';
+
+const props = defineProps<{
+	emoji: string;
+	menu?: boolean;
+	menuReaction?: boolean;
+}>();
+
+const colorizedNativeEmoji = computed(() => colorizeEmoji(props.emoji));
+</script>
+
+<style lang="scss" module>
+.root {
+	height: 1.25em;
+	vertical-align: -0.25em;
+}
+</style>
diff --git a/packages/embed/src/components/EmTime.vue b/packages/embed/src/components/EmTime.vue
new file mode 100644
index 0000000000..a4ddcb4642
--- /dev/null
+++ b/packages/embed/src/components/EmTime.vue
@@ -0,0 +1,107 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<time :title="absolute" :class="{ [$style.old1]: colored && (ago > 60 * 60 * 24 * 90), [$style.old2]: colored && (ago > 60 * 60 * 24 * 180) }">
+	<template v-if="invalid">{{ i18n.ts._ago.invalid }}</template>
+	<template v-else-if="mode === 'relative'">{{ relative }}</template>
+	<template v-else-if="mode === 'absolute'">{{ absolute }}</template>
+	<template v-else-if="mode === 'detail'">{{ absolute }} ({{ relative }})</template>
+</time>
+</template>
+
+<script lang="ts" setup>
+import { onMounted, onUnmounted, ref, computed } from 'vue';
+import { i18n } from '@/i18n.js';
+import { dateTimeFormat } from '@/scripts/intl-const.js';
+
+const props = withDefaults(defineProps<{
+	time: Date | string | number | null;
+	origin?: Date | null;
+	mode?: 'relative' | 'absolute' | 'detail';
+	colored?: boolean;
+}>(), {
+	origin: null,
+	mode: 'relative',
+});
+
+function getDateSafe(n: Date | string | number) {
+	try {
+		if (n instanceof Date) {
+			return n;
+		}
+		return new Date(n);
+	} catch (err) {
+		return {
+			getTime: () => NaN,
+		};
+	}
+}
+
+// eslint-disable-next-line vue/no-setup-props-reactivity-loss
+const _time = props.time == null ? NaN : getDateSafe(props.time).getTime();
+const invalid = Number.isNaN(_time);
+const absolute = !invalid ? dateTimeFormat.format(_time) : i18n.ts._ago.invalid;
+
+// eslint-disable-next-line vue/no-setup-props-reactivity-loss
+const now = ref(props.origin?.getTime() ?? Date.now());
+const ago = computed(() => (now.value - _time) / 1000/*ms*/);
+
+const relative = computed<string>(() => {
+	if (props.mode === 'absolute') return ''; // absoluteではrelativeを使わないので計算しない
+	if (invalid) return i18n.ts._ago.invalid;
+
+	return (
+		ago.value >= 31536000 ? i18n.tsx._ago.yearsAgo({ n: Math.round(ago.value / 31536000).toString() }) :
+		ago.value >= 2592000 ? i18n.tsx._ago.monthsAgo({ n: Math.round(ago.value / 2592000).toString() }) :
+		ago.value >= 604800 ? i18n.tsx._ago.weeksAgo({ n: Math.round(ago.value / 604800).toString() }) :
+		ago.value >= 86400 ? i18n.tsx._ago.daysAgo({ n: Math.round(ago.value / 86400).toString() }) :
+		ago.value >= 3600 ? i18n.tsx._ago.hoursAgo({ n: Math.round(ago.value / 3600).toString() }) :
+		ago.value >= 60 ? i18n.tsx._ago.minutesAgo({ n: (~~(ago.value / 60)).toString() }) :
+		ago.value >= 10 ? i18n.tsx._ago.secondsAgo({ n: (~~(ago.value % 60)).toString() }) :
+		ago.value >= -3 ? i18n.ts._ago.justNow :
+		ago.value < -31536000 ? i18n.tsx._timeIn.years({ n: Math.round(-ago.value / 31536000).toString() }) :
+		ago.value < -2592000 ? i18n.tsx._timeIn.months({ n: Math.round(-ago.value / 2592000).toString() }) :
+		ago.value < -604800 ? i18n.tsx._timeIn.weeks({ n: Math.round(-ago.value / 604800).toString() }) :
+		ago.value < -86400 ? i18n.tsx._timeIn.days({ n: Math.round(-ago.value / 86400).toString() }) :
+		ago.value < -3600 ? i18n.tsx._timeIn.hours({ n: Math.round(-ago.value / 3600).toString() }) :
+		ago.value < -60 ? i18n.tsx._timeIn.minutes({ n: (~~(-ago.value / 60)).toString() }) :
+		i18n.tsx._timeIn.seconds({ n: (~~(-ago.value % 60)).toString() })
+	);
+});
+
+let tickId: number;
+let currentInterval: number;
+
+function tick() {
+	now.value = Date.now();
+	const nextInterval = ago.value < 60 ? 10000 : ago.value < 3600 ? 60000 : 180000;
+
+	if (currentInterval !== nextInterval) {
+		if (tickId) window.clearInterval(tickId);
+		currentInterval = nextInterval;
+		tickId = window.setInterval(tick, nextInterval);
+	}
+}
+
+if (!invalid && props.origin === null && (props.mode === 'relative' || props.mode === 'detail')) {
+	onMounted(() => {
+		tick();
+	});
+	onUnmounted(() => {
+		if (tickId) window.clearInterval(tickId);
+	});
+}
+</script>
+
+<style lang="scss" module>
+.old1 {
+	color: var(--warn);
+}
+
+.old1.old2 {
+	color: var(--error);
+}
+</style>