diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index dfcdb59e1c..31b81f1d7e 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -939,20 +939,20 @@ desktop/views/pages/admin/admin.unverify-user.vue:
   unverify: "公式アカウントを解除する"
   unverified: "公式アカウントを解除しました"
 
-desktop/views/pages/admin/admin.notes-chart.vue:
-  title: "投稿"
-  local: "ローカル"
-  remote: "リモート"
-
-desktop/views/pages/admin/admin.users-chart.vue:
-  title: "ユーザー"
-  local: "ローカル"
-  remote: "リモート"
-
-desktop/views/pages/admin/admin.drive-chart.vue:
-  title: "ドライブ"
-  local: "ローカル"
-  remote: "リモート"
+desktop/views/pages/admin/admin.chart.vue:
+  title: "チャート"
+  local-notes: "ローカルの投稿"
+  remote-notes: "リモートの投稿"
+  local-notes-total: "ローカルの投稿 (累計)"
+  remote-notes-total: "リモートの投稿 (累計)"
+  local-users: "ローカルのユーザー"
+  remote-users: "リモートのユーザー"
+  local-users-total: "ローカルのユーザー (累計)"
+  remote-users-total: "リモートのユーザー (累計)"
+  local-drive: "ローカルのドライブ使用量"
+  remote-drive: "リモートのドライブ使用量"
+  local-drive-total: "ローカルのドライブ使用量 (累計)"
+  remote-drive-total: "リモートのドライブ使用量 (累計)"
 
 desktop/views/pages/deck/deck.tl-column.vue:
   is-media-only: "メディア投稿のみ"
diff --git a/package.json b/package.json
index e2c9283bf0..3c95d05416 100644
--- a/package.json
+++ b/package.json
@@ -89,6 +89,7 @@
 		"bootstrap-vue": "2.0.0-rc.11",
 		"cafy": "11.3.0",
 		"chalk": "2.4.1",
+		"chart.js": "2.7.2",
 		"commander": "2.17.1",
 		"crc-32": "1.2.0",
 		"css-loader": "1.0.0",
@@ -206,6 +207,7 @@
 		"uuid": "3.3.2",
 		"v-animate-css": "0.0.2",
 		"vue": "2.5.17",
+		"vue-chartjs": "3.4.0",
 		"vue-cropperjs": "2.2.1",
 		"vue-js-modal": "1.3.18",
 		"vue-json-tree-view": "2.1.4",
diff --git a/src/client/app/desktop/views/pages/admin/admin.chart.chart.ts b/src/client/app/desktop/views/pages/admin/admin.chart.chart.ts
new file mode 100644
index 0000000000..62043b21dc
--- /dev/null
+++ b/src/client/app/desktop/views/pages/admin/admin.chart.chart.ts
@@ -0,0 +1,40 @@
+import Vue from 'vue';
+import { Line } from 'vue-chartjs';
+
+export default Vue.extend({
+	extends: Line,
+	props: {
+		data: {
+			required: true
+		},
+		opts: {
+			required: false
+		}
+	},
+	watch: {
+		data() {
+			this.render();
+		}
+	},
+	mounted() {
+		this.render();
+	},
+	methods: {
+		render() {
+			this.renderChart(this.data, Object.assign({
+				responsive: false,
+				scales: {
+					xAxes: [{
+						type: 'time',
+						time: {
+							displayFormats: {
+								quarter: 'YYYY/MM/D h:mm'
+							}
+						},
+						distribution: 'series'
+					}]
+				}
+			}, this.opts || {}));
+		}
+	}
+});
diff --git a/src/client/app/desktop/views/pages/admin/admin.chart.vue b/src/client/app/desktop/views/pages/admin/admin.chart.vue
new file mode 100644
index 0000000000..c92caeb2f0
--- /dev/null
+++ b/src/client/app/desktop/views/pages/admin/admin.chart.vue
@@ -0,0 +1,195 @@
+<template>
+<div class="card gkgckalzgidaygcxnugepioremxvxvpt">
+	<header>
+		<b>%i18n:@title%:</b>
+		<select v-model="chartType">
+			<option value="local-users">%i18n:@local-users%</option>
+			<option value="remote-users">%i18n:@remote-users%</option>
+			<option value="local-users-total">%i18n:@local-users-total%</option>
+			<option value="remote-users-total">%i18n:@remote-users-total%</option>
+			<option value="local-notes">%i18n:@local-notes%</option>
+			<option value="remote-notes">%i18n:@remote-notes%</option>
+			<option value="local-notes-total">%i18n:@local-notes-total%</option>
+			<option value="remote-notes-total">%i18n:@remote-notes-total%</option>
+			<option value="local-drive">%i18n:@local-drive%</option>
+			<option value="remote-drive">%i18n:@remote-drive%</option>
+			<option value="local-drive-total">%i18n:@local-drive-total%</option>
+			<option value="remote-drive-total">%i18n:@remote-drive-total%</option>
+		</select>
+		<div>
+			<a @click="span = 'day'">Per DAY</a> | <a @click="span = 'hour'">Per HOUR</a>
+		</div>
+	</header>
+	<x-chart v-if="chart" :data="data[0]" :opts="data[1]" :width="720" :height="300"/>
+</div>
+</template>
+
+<script lang="ts">
+import Vue from 'vue';
+import XChart from './admin.chart.chart.ts';
+
+export default Vue.extend({
+	components: {
+		XChart
+	},
+	props: {
+		chart: {
+			required: true
+		}
+	},
+	data() {
+		return {
+			chartType: 'local-notes',
+			span: 'hour'
+		};
+	},
+	computed: {
+		data(): any {
+			if (this.chart == null) return null;
+			switch (this.chartType) {
+				case 'local-users': return this.usersChart(true, false);
+				case 'remote-users': return this.usersChart(false, false);
+				case 'local-users-total': return this.usersChart(true, true);
+				case 'remote-users-total': return this.usersChart(false, true);
+				case 'local-notes': return this.notesChart(true);
+				case 'remote-notes': return this.notesChart(false);
+				case 'local-notes-total': return this.notesTotalChart(true);
+				case 'remote-notes-total': return this.notesTotalChart(false);
+				case 'local-drive': return this.driveChart(true, false);
+				case 'remote-drive': return this.driveChart(false, false);
+				case 'local-drive-total': return this.driveChart(true, true);
+				case 'remote-drive-total': return this.driveChart(false, true);
+			}
+		},
+		stats(): any[] {
+			return (
+				this.span == 'day' ? this.chart.perDay :
+				this.span == 'hour' ? this.chart.perHour :
+				null
+			);
+		}
+	},
+	methods: {
+		notesChart(local: boolean): any {
+			const data = this.stats.slice().reverse().map(x => ({
+				date: new Date(x.date),
+				normal: local ? x.notes.local.diffs.normal : x.notes.remote.diffs.normal,
+				reply: local ? x.notes.local.diffs.reply : x.notes.remote.diffs.reply,
+				renote: local ? x.notes.local.diffs.renote : x.notes.remote.diffs.renote,
+				total: local ? x.notes.local.diff : x.notes.remote.diff
+			}));
+
+			return [{
+				datasets: [{
+					label: 'Normal',
+					fill: false,
+					borderColor: '#41ddde',
+					borderWidth: 2,
+					pointBackgroundColor: '#fff',
+					lineTension: 0,
+					data: data.map(x => ({ t: x.date, y: x.normal }))
+				}, {
+					label: 'Replies',
+					fill: false,
+					borderColor: '#f7796c',
+					borderWidth: 2,
+					pointBackgroundColor: '#fff',
+					lineTension: 0,
+					data: data.map(x => ({ t: x.date, y: x.reply }))
+				}, {
+					label: 'Renotes',
+					fill: false,
+					borderColor: '#a1de41',
+					borderWidth: 2,
+					pointBackgroundColor: '#fff',
+					lineTension: 0,
+					data: data.map(x => ({ t: x.date, y: x.renote }))
+				}]
+			}];
+		},
+		notesTotalChart(local: boolean): any {
+			const data = this.stats.slice().reverse().map(x => ({
+				date: new Date(x.date),
+				count: local ? x.notes.local.total : x.notes.remote.total,
+			}));
+
+			return [{
+				datasets: [{
+					label: local ? 'Local Notes' : 'Remote Notes',
+					fill: false,
+					borderColor: '#f6584f',
+					borderWidth: 2,
+					pointBackgroundColor: '#fff',
+					lineTension: 0,
+					data: data.map(x => ({ t: x.date, y: x.count }))
+				}]
+			}];
+		},
+		usersChart(local: boolean, total: boolean): any {
+			const data = this.stats.slice().reverse().map(x => ({
+				date: new Date(x.date),
+				count: local ?
+					total ? x.users.local.total : x.users.local.diff :
+					total ? x.users.remote.total : x.users.remote.diff
+			}));
+
+			return [{
+				datasets: [{
+					label: local ? 'Local Users' : 'Remote Users',
+					fill: false,
+					borderColor: '#f6584f',
+					borderWidth: 2,
+					pointBackgroundColor: '#fff',
+					lineTension: 0,
+					data: data.map(x => ({ t: x.date, y: x.count }))
+				}]
+			}];
+		},
+		driveChart(local: boolean, total: boolean): any {
+			const data = this.stats.slice().reverse().map(x => ({
+				date: new Date(x.date),
+				count: local ?
+					total ? x.drive.local.totalSize : x.drive.local.diffSize :
+					total ? x.drive.remote.totalSize : x.drive.remote.diffSize
+			}));
+
+			return [{
+				datasets: [{
+					label: local ? 'Local Drive Usage' : 'Remote Drive Usage',
+					fill: false,
+					borderColor: '#f6584f',
+					borderWidth: 2,
+					pointBackgroundColor: '#fff',
+					lineTension: 0,
+					data: data.map(x => ({ t: x.date, y: x.count }))
+				}]
+			}, {
+				scales: {
+					yAxes: [{
+						ticks: {
+							callback: (value) => {
+								return Vue.filter('bytes')(value);
+							}
+						}
+					}]
+				}
+			}];
+		}
+	}
+});
+</script>
+
+<style lang="stylus" scoped>
+@import '~const.styl'
+
+.gkgckalzgidaygcxnugepioremxvxvpt
+	> header
+		display flex
+
+		> b
+			margin-right 8px
+
+		> *:last-child
+			margin-left auto
+
+</style>
diff --git a/src/client/app/desktop/views/pages/admin/admin.drive-chart.chart.vue b/src/client/app/desktop/views/pages/admin/admin.drive-chart.chart.vue
deleted file mode 100644
index 97f05571c3..0000000000
--- a/src/client/app/desktop/views/pages/admin/admin.drive-chart.chart.vue
+++ /dev/null
@@ -1,74 +0,0 @@
-<template>
-<div>
-	<a @click="span = 'day'">Per day</a> | <a @click="span = 'hour'">Per hour</a>
-	<svg :viewBox="`0 0 ${ viewBoxX } ${ viewBoxY }`">
-		<polyline
-			:points="points"
-			fill="none"
-			stroke-width="0.3"
-			stroke="#555"/>
-	</svg>
-</div>
-</template>
-
-<script lang="ts">
-import Vue from 'vue';
-
-export default Vue.extend({
-	props: {
-		chart: {
-			required: true
-		},
-		type: {
-			type: String,
-			required: true
-		}
-	},
-	data() {
-		return {
-			viewBoxX: 100,
-			viewBoxY: 30,
-			points: null,
-			span: 'day'
-		};
-	},
-	computed: {
-		stats(): any[] {
-			return (
-				this.span == 'day' ? this.chart.perDay :
-				this.span == 'hour' ? this.chart.perHour :
-				null
-			);
-		}
-	},
-	watch: {
-		stats() {
-			this.render();
-		}
-	},
-	mounted() {
-		this.render();
-	},
-	methods: {
-		render() {
-			const peak = Math.max.apply(null, this.stats.map(d => this.type == 'local' ? d.drive.local.totalSize : d.drive.remote.totalSize));
-
-			if (peak != 0) {
-				const data = this.stats.slice().reverse().map(x => ({
-					size: this.type == 'local' ? x.drive.local.totalSize : x.drive.remote.totalSize
-				}));
-
-				this.points = data.map((d, i) => `${(this.viewBoxX / data.length) * i},${(1 - (d.size / peak)) * this.viewBoxY}`).join(' ');
-			}
-		}
-	}
-});
-</script>
-
-<style lang="stylus" scoped>
-svg
-	display block
-	padding 10px
-	width 100%
-
-</style>
diff --git a/src/client/app/desktop/views/pages/admin/admin.drive-chart.vue b/src/client/app/desktop/views/pages/admin/admin.drive-chart.vue
deleted file mode 100644
index 4f94fd2372..0000000000
--- a/src/client/app/desktop/views/pages/admin/admin.drive-chart.vue
+++ /dev/null
@@ -1,34 +0,0 @@
-<template>
-<div class="card">
-	<header>%i18n:@title%</header>
-	<div class="card">
-		<header>%i18n:@local%</header>
-		<x-chart v-if="chart" :chart="chart" type="local"/>
-	</div>
-	<div class="card">
-		<header>%i18n:@remote%</header>
-		<x-chart v-if="chart" :chart="chart" type="remote"/>
-	</div>
-</div>
-</template>
-
-<script lang="ts">
-import Vue from "vue";
-import XChart from "./admin.drive-chart.chart.vue";
-
-export default Vue.extend({
-	components: {
-		XChart
-	},
-	props: {
-		chart: {
-			required: true
-		}
-	}
-});
-</script>
-
-<style lang="stylus" scoped>
-@import '~const.styl'
-
-</style>
diff --git a/src/client/app/desktop/views/pages/admin/admin.notes-chart.chart.vue b/src/client/app/desktop/views/pages/admin/admin.notes-chart.chart.vue
deleted file mode 100644
index fabb3f1bd1..0000000000
--- a/src/client/app/desktop/views/pages/admin/admin.notes-chart.chart.vue
+++ /dev/null
@@ -1,99 +0,0 @@
-<template>
-<div>
-	<a @click="span = 'day'">Per day</a> | <a @click="span = 'hour'">Per hour</a>
-	<svg :viewBox="`0 0 ${ viewBoxX } ${ viewBoxY }`">
-		<polyline
-			:points="pointsNote"
-			fill="none"
-			stroke-width="0.3"
-			stroke="#41ddde"/>
-		<polyline
-			:points="pointsReply"
-			fill="none"
-			stroke-width="0.3"
-			stroke="#f7796c"/>
-		<polyline
-			:points="pointsRenote"
-			fill="none"
-			stroke-width="0.3"
-			stroke="#a1de41"/>
-		<polyline
-			:points="pointsTotal"
-			fill="none"
-			stroke-width="0.3"
-			stroke="#555"
-			stroke-dasharray="1 1"/>
-	</svg>
-</div>
-</template>
-
-<script lang="ts">
-import Vue from 'vue';
-
-export default Vue.extend({
-	props: {
-		chart: {
-			required: true
-		},
-		type: {
-			type: String,
-			required: true
-		}
-	},
-	data() {
-		return {
-			viewBoxX: 100,
-			viewBoxY: 30,
-			pointsNote: null,
-			pointsReply: null,
-			pointsRenote: null,
-			pointsTotal: null,
-			span: 'day'
-		};
-	},
-	computed: {
-		stats(): any[] {
-			return (
-				this.span == 'day' ? this.chart.perDay :
-				this.span == 'hour' ? this.chart.perHour :
-				null
-			);
-		}
-	},
-	watch: {
-		stats() {
-			this.render();
-		}
-	},
-	mounted() {
-		this.render();
-	},
-	methods: {
-		render() {
-			const peak = Math.max.apply(null, this.stats.map(d => this.type == 'local' ? d.notes.local.diff : d.notes.remote.diff));
-
-			if (peak != 0) {
-				const data = this.stats.slice().reverse().map(x => ({
-					normal: this.type == 'local' ? x.notes.local.diffs.normal : x.notes.remote.diffs.normal,
-					reply: this.type == 'local' ? x.notes.local.diffs.reply : x.notes.remote.diffs.reply,
-					renote: this.type == 'local' ? x.notes.local.diffs.renote : x.notes.remote.diffs.renote,
-					total: this.type == 'local' ? x.notes.local.diff : x.notes.remote.diff
-				}));
-
-				this.pointsNote = data.map((d, i) => `${(this.viewBoxX / data.length) * i},${(1 - (d.normal / peak)) * this.viewBoxY}`).join(' ');
-				this.pointsReply = data.map((d, i) => `${(this.viewBoxX / data.length) * i},${(1 - (d.reply / peak)) * this.viewBoxY}`).join(' ');
-				this.pointsRenote = data.map((d, i) => `${(this.viewBoxX / data.length) * i},${(1 - (d.renote / peak)) * this.viewBoxY}`).join(' ');
-				this.pointsTotal = data.map((d, i) => `${(this.viewBoxX / data.length) * i},${(1 - (d.total / peak)) * this.viewBoxY}`).join(' ');
-			}
-		}
-	}
-});
-</script>
-
-<style lang="stylus" scoped>
-svg
-	display block
-	padding 10px
-	width 100%
-
-</style>
diff --git a/src/client/app/desktop/views/pages/admin/admin.notes-chart.vue b/src/client/app/desktop/views/pages/admin/admin.notes-chart.vue
deleted file mode 100644
index e4d396d9c6..0000000000
--- a/src/client/app/desktop/views/pages/admin/admin.notes-chart.vue
+++ /dev/null
@@ -1,34 +0,0 @@
-<template>
-<div class="card">
-	<header>%i18n:@title%</header>
-	<div class="card">
-		<header>%i18n:@local%</header>
-		<x-chart v-if="chart" :chart="chart" type="local"/>
-	</div>
-	<div class="card">
-		<header>%i18n:@remote%</header>
-		<x-chart v-if="chart" :chart="chart" type="remote"/>
-	</div>
-</div>
-</template>
-
-<script lang="ts">
-import Vue from "vue";
-import XChart from "./admin.notes-chart.chart.vue";
-
-export default Vue.extend({
-	components: {
-		XChart
-	},
-	props: {
-		chart: {
-			required: true
-		}
-	}
-});
-</script>
-
-<style lang="stylus" scoped>
-@import '~const.styl'
-
-</style>
diff --git a/src/client/app/desktop/views/pages/admin/admin.users-chart.chart.vue b/src/client/app/desktop/views/pages/admin/admin.users-chart.chart.vue
deleted file mode 100644
index 45ecc13929..0000000000
--- a/src/client/app/desktop/views/pages/admin/admin.users-chart.chart.vue
+++ /dev/null
@@ -1,74 +0,0 @@
-<template>
-<div>
-	<a @click="span = 'day'">Per day</a> | <a @click="span = 'hour'">Per hour</a>
-	<svg :viewBox="`0 0 ${ viewBoxX } ${ viewBoxY }`">
-		<polyline
-			:points="points"
-			fill="none"
-			stroke-width="0.3"
-			stroke="#555"/>
-	</svg>
-</div>
-</template>
-
-<script lang="ts">
-import Vue from 'vue';
-
-export default Vue.extend({
-	props: {
-		chart: {
-			required: true
-		},
-		type: {
-			type: String,
-			required: true
-		}
-	},
-	data() {
-		return {
-			viewBoxX: 100,
-			viewBoxY: 30,
-			points: null,
-			span: 'day'
-		};
-	},
-	computed: {
-		stats(): any[] {
-			return (
-				this.span == 'day' ? this.chart.perDay :
-				this.span == 'hour' ? this.chart.perHour :
-				null
-			);
-		}
-	},
-	watch: {
-		stats() {
-			this.render();
-		}
-	},
-	mounted() {
-		this.render();
-	},
-	methods: {
-		render() {
-			const peak = Math.max.apply(null, this.stats.map(d => this.type == 'local' ? d.users.local.diff : d.users.remote.diff));
-
-			if (peak != 0) {
-				const data = this.stats.slice().reverse().map(x => ({
-					count: this.type == 'local' ? x.users.local.diff : x.users.remote.diff
-				}));
-
-				this.points = data.map((d, i) => `${(this.viewBoxX / data.length) * i},${(1 - (d.count / peak)) * this.viewBoxY}`).join(' ');
-			}
-		}
-	}
-});
-</script>
-
-<style lang="stylus" scoped>
-svg
-	display block
-	padding 10px
-	width 100%
-
-</style>
diff --git a/src/client/app/desktop/views/pages/admin/admin.users-chart.vue b/src/client/app/desktop/views/pages/admin/admin.users-chart.vue
deleted file mode 100644
index e620012702..0000000000
--- a/src/client/app/desktop/views/pages/admin/admin.users-chart.vue
+++ /dev/null
@@ -1,34 +0,0 @@
-<template>
-<div class="card">
-	<header>%i18n:@title%</header>
-	<div class="card">
-		<header>%i18n:@local%</header>
-		<x-chart v-if="chart" :chart="chart" type="local"/>
-	</div>
-	<div class="card">
-		<header>%i18n:@remote%</header>
-		<x-chart v-if="chart" :chart="chart" type="remote"/>
-	</div>
-</div>
-</template>
-
-<script lang="ts">
-import Vue from "vue";
-import XChart from "./admin.users-chart.chart.vue";
-
-export default Vue.extend({
-	components: {
-		XChart
-	},
-	props: {
-		chart: {
-			required: true
-		}
-	}
-});
-</script>
-
-<style lang="stylus" scoped>
-@import '~const.styl'
-
-</style>
diff --git a/src/client/app/desktop/views/pages/admin/admin.vue b/src/client/app/desktop/views/pages/admin/admin.vue
index cbb1890cc3..066c1a4f4f 100644
--- a/src/client/app/desktop/views/pages/admin/admin.vue
+++ b/src/client/app/desktop/views/pages/admin/admin.vue
@@ -11,9 +11,7 @@
 	<main>
 		<div v-show="page == 'dashboard'">
 			<x-dashboard/>
-			<x-users-chart :chart="chart"/>
-			<x-notes-chart :chart="chart"/>
-			<x-drive-chart :chart="chart"/>
+			<x-chart :chart="chart"/>
 		</div>
 		<div v-if="page == 'users'">
 			<x-suspend-user/>
@@ -34,9 +32,7 @@ import XSuspendUser from "./admin.suspend-user.vue";
 import XUnsuspendUser from "./admin.unsuspend-user.vue";
 import XVerifyUser from "./admin.verify-user.vue";
 import XUnverifyUser from "./admin.unverify-user.vue";
-import XUsersChart from "./admin.users-chart.vue";
-import XNotesChart from "./admin.notes-chart.vue";
-import XDriveChart from "./admin.drive-chart.vue";
+import XChart from "./admin.chart.vue";
 
 export default Vue.extend({
 	components: {
@@ -45,9 +41,7 @@ export default Vue.extend({
 		XUnsuspendUser,
 		XVerifyUser,
 		XUnverifyUser,
-		XUsersChart,
-		XNotesChart,
-		XDriveChart
+		XChart
 	},
 	data() {
 		return {
diff --git a/src/server/api/endpoints/admin/chart.ts b/src/server/api/endpoints/admin/chart.ts
index 1897879d65..1b88af00bd 100644
--- a/src/server/api/endpoints/admin/chart.ts
+++ b/src/server/api/endpoints/admin/chart.ts
@@ -8,7 +8,7 @@ export const meta = {
 };
 
 export default (params: any) => new Promise(async (res, rej) => {
-	const daysRange = 365;
+	const daysRange = 90;
 	const hoursRange = 24;
 
 	const now = new Date();
@@ -123,7 +123,6 @@ export default (params: any) => new Promise(async (res, rej) => {
 		}
 
 		chart.forEach(x => {
-			delete x.date;
 			delete (x as any).span;
 		});