diff --git a/packages/frontend/src/components/grid/MkDataCell.vue b/packages/frontend/src/components/grid/MkDataCell.vue
index 40fa2b4812..6c0d087b42 100644
--- a/packages/frontend/src/components/grid/MkDataCell.vue
+++ b/packages/frontend/src/components/grid/MkDataCell.vue
@@ -50,23 +50,12 @@
 </template>
 
 <script setup lang="ts">
-import {
-	computed,
-	defineAsyncComponent,
-	nextTick,
-	onMounted,
-	onUnmounted,
-	ref,
-	shallowRef,
-	toRefs,
-	watch,
-} from 'vue';
+import { computed, defineAsyncComponent, nextTick, onMounted, onUnmounted, ref, shallowRef, toRefs, watch } from 'vue';
 import { GridEventEmitter, GridSetting, Size } from '@/components/grid/grid.js';
 import { useTooltip } from '@/scripts/use-tooltip.js';
 import * as os from '@/os.js';
 import { CellValue, GridCell } from '@/components/grid/cell.js';
 import { equalCellAddress, getCellAddress } from '@/components/grid/grid-utils.js';
-import { cellValidation, ValidateViolation } from '@/components/grid/cell-validators.js';
 
 const emit = defineEmits<{
 	(ev: 'operation:beginEdit', sender: GridCell): void;
diff --git a/packages/frontend/src/components/grid/MkGrid.vue b/packages/frontend/src/components/grid/MkGrid.vue
index 8acbe03f43..3f487c04ce 100644
--- a/packages/frontend/src/components/grid/MkGrid.vue
+++ b/packages/frontend/src/components/grid/MkGrid.vue
@@ -61,6 +61,7 @@ const props = withDefaults(defineProps<{
 }>(), {
 	gridSetting: () => ({
 		rowNumberVisible: true,
+		rowSelectable: true,
 	}),
 });
 const { gridSetting, columnSettings, data } = toRefs(props);
@@ -576,9 +577,7 @@ function onMouseMove(ev: MouseEvent) {
 			unSelectionOutOfRange(leftTop, rightBottom);
 			expandCellRange(leftTop, rightBottom);
 
-			rows.value[targetCellAddress.row].ranged = true;
-
-			const rangedRowIndexes = rangedRows.value.map(it => it.index);
+			const rangedRowIndexes = [rows.value[targetCellAddress.row].index, ...rangedRows.value.map(it => it.index)];
 			expandRowRange(Math.min(...rangedRowIndexes), Math.max(...rangedRowIndexes));
 
 			previousCellAddress.value = targetCellAddress;
@@ -884,6 +883,10 @@ function expandCellRange(leftTop: CellAddress, rightBottom: CellAddress) {
  * {@link top}から{@link bottom}までの行を範囲選択状態にする。
  */
 function expandRowRange(top: number, bottom: number) {
+	if (!gridSetting.value.rowSelectable) {
+		return;
+	}
+
 	const targetRows = rows.value.slice(top, bottom + 1);
 	for (const row of targetRows) {
 		row.ranged = true;
@@ -983,11 +986,11 @@ function patchData(newItems: DataSource[]) {
 		console.log(`[grid][patch-data][begin] new:${newItems.length} old:${cells.value.length}`);
 	}
 
-	const _cells = [...cells.value];
-	const _rows = [...rows.value];
-	const _cols = columns.value;
+	if (cells.value.length != newItems.length) {
+		const _cells = [...cells.value];
+		const _rows = [...rows.value];
+		const _cols = columns.value;
 
-	if (_cells.length != newItems.length) {
 		// 状態が壊れるかもしれないので選択を全解除
 		unSelectionRangeAll();
 
@@ -1026,20 +1029,19 @@ function patchData(newItems: DataSource[]) {
 
 		rows.value = newRows;
 		cells.value = newCells;
-	} else {
-		// 行数が変わらない場合
-		for (let rowIdx = 0; rowIdx < _cells.length; rowIdx++) {
-			const oldCells = _cells[rowIdx].cells;
-			const newItem = newItems[rowIdx];
-			for (let colIdx = 0; colIdx < oldCells.length; colIdx++) {
-				const _col = _cols[colIdx];
+	}
 
-				const oldCell = oldCells[colIdx];
-				const newValue = newItem[_col.setting.bindTo];
-				if (oldCell.value !== newValue) {
-					oldCell.violation = cellValidation(oldCell, newValue);
-					oldCell.value = newValue;
-				}
+	for (let rowIdx = 0; rowIdx < cells.value.length; rowIdx++) {
+		const oldCells = cells.value[rowIdx].cells;
+		const newItem = newItems[rowIdx];
+		for (let colIdx = 0; colIdx < oldCells.length; colIdx++) {
+			const _col = columns.value[colIdx];
+
+			const oldCell = oldCells[colIdx];
+			const newValue = newItem[_col.setting.bindTo];
+			if (oldCell.value !== newValue) {
+				oldCell.violation = cellValidation(oldCell, newValue);
+				oldCell.value = newValue;
 			}
 		}
 	}
diff --git a/packages/frontend/src/components/grid/grid.ts b/packages/frontend/src/components/grid/grid.ts
index 38b15336fa..30759b5035 100644
--- a/packages/frontend/src/components/grid/grid.ts
+++ b/packages/frontend/src/components/grid/grid.ts
@@ -3,6 +3,7 @@ import { CellValue } from '@/components/grid/cell.js';
 
 export type GridSetting = {
 	rowNumberVisible: boolean;
+	rowSelectable: boolean;
 }
 
 export type DataSource = Record<string, CellValue>;
diff --git a/packages/frontend/src/pages/admin/custom-emojis-grid.impl.ts b/packages/frontend/src/pages/admin/custom-emojis-grid.impl.ts
index 6e67805176..24bbdb3f62 100644
--- a/packages/frontend/src/pages/admin/custom-emojis-grid.impl.ts
+++ b/packages/frontend/src/pages/admin/custom-emojis-grid.impl.ts
@@ -12,7 +12,8 @@ export type GridItem = {
 	readonly fileId?: string;
 	readonly url: string;
 
-	checked: boolean;
+	deleteCheck: boolean;
+
 	name: string;
 	category: string;
 	aliases: string;
@@ -27,7 +28,7 @@ export function fromEmojiDetailed(it: Misskey.entities.EmojiDetailed): GridItem
 		id: it.id,
 		fileId: undefined,
 		url: it.url,
-		checked: false,
+		deleteCheck: false,
 		name: it.name,
 		category: it.category ?? '',
 		aliases: it.aliases.join(', '),
@@ -43,7 +44,7 @@ export function fromDriveFile(it: Misskey.entities.DriveFile): GridItem {
 		id: undefined,
 		fileId: it.id,
 		url: it.url,
-		checked: false,
+		deleteCheck: false,
 		name: it.name.replace(/(\.[a-zA-Z0-9]+)+$/, ''),
 		category: '',
 		aliases: '',
diff --git a/packages/frontend/src/pages/admin/custom-emojis-grid.list.vue b/packages/frontend/src/pages/admin/custom-emojis-grid.list.vue
index 91dc0fda4d..051c5822ed 100644
--- a/packages/frontend/src/pages/admin/custom-emojis-grid.list.vue
+++ b/packages/frontend/src/pages/admin/custom-emojis-grid.list.vue
@@ -9,10 +9,8 @@
 		</MkButton>
 	</div>
 
-	<div
-		style="overflow-y: scroll; padding-top: 8px; padding-bottom: 8px;"
-	>
-		<MkGrid :data="gridItems" :columnSettings="columnSettings"/>
+	<div style="overflow-y: scroll; padding-top: 8px; padding-bottom: 8px;">
+		<MkGrid :data="gridItems" :gridSetting="gridSetting" :columnSettings="columnSettings" @event="onGridEvent"/>
 	</div>
 
 	<div class="_gaps">
@@ -22,16 +20,17 @@
 		</div>
 
 		<div :class="$style.buttons">
-			<MkButton primary>{{ i18n.ts.update }}</MkButton>
-			<MkButton>リセット</MkButton>
+			<MkButton primary :disabled="updateButtonDisabled" @click="onUpdateClicked">{{ i18n.ts.update }}</MkButton>
+			<MkButton @click="onResetClicked">リセット</MkButton>
 		</div>
 	</div>
 </div>
 </template>
 
 <script setup lang="ts">
-import { computed, onMounted, ref, toRefs, watch } from 'vue';
+import { computed, ref, toRefs, watch } from 'vue';
 import * as Misskey from 'misskey-js';
+import * as os from '@/os.js';
 import { fromEmojiDetailed, GridItem } from '@/pages/admin/custom-emojis-grid.impl.js';
 import MkGrid from '@/components/grid/MkGrid.vue';
 import { i18n } from '@/i18n.js';
@@ -39,12 +38,30 @@ import MkInput from '@/components/MkInput.vue';
 import MkButton from '@/components/MkButton.vue';
 import { ColumnSetting } from '@/components/grid/column.js';
 import { validators } from '@/components/grid/cell-validators.js';
+import {
+	GridCellContextMenuEvent,
+	GridCellValidationEvent,
+	GridCellValueChangeEvent,
+	GridCurrentState,
+	GridEvent,
+	GridKeyDownEvent,
+	GridRowContextMenuEvent,
+} from '@/components/grid/grid-event.js';
+import { optInGridUtils } from '@/components/grid/optin-utils.js';
+import { GridSetting } from '@/components/grid/grid.js';
+import { misskeyApi } from '@/scripts/misskey-api.js';
+
+const gridSetting: GridSetting = {
+	rowNumberVisible: true,
+	rowSelectable: false,
+};
 
 const required = validators.required();
+const regex = validators.regex(/^[a-zA-Z0-9_]+$/);
 const columnSettings: ColumnSetting[] = [
-	{ bindTo: 'selected', icon: 'ti-trash', type: 'boolean', editable: true, width: 34 },
+	{ bindTo: 'deleteCheck', icon: 'ti-trash', type: 'boolean', editable: true, width: 34 },
 	{ bindTo: 'url', icon: 'ti-icons', type: 'image', editable: false, width: 'auto', validators: [required] },
-	{ bindTo: 'name', title: 'name', type: 'text', editable: true, width: 140, validators: [required] },
+	{ bindTo: 'name', title: 'name', type: 'text', editable: true, width: 140, validators: [required, regex] },
 	{ bindTo: 'category', title: 'category', type: 'text', editable: true, width: 140 },
 	{ bindTo: 'aliases', title: 'aliases', type: 'text', editable: true, width: 140 },
 	{ bindTo: 'license', title: 'license', type: 'text', editable: true, width: 140 },
@@ -65,11 +82,57 @@ const { customEmojis } = toRefs(props);
 
 const query = ref('');
 const gridItems = ref<GridItem[]>([]);
+const originGridItems = ref<GridItem[]>([]);
+const updateButtonDisabled = ref<boolean>(false);
 
 const latest = computed(() => customEmojis.value.length > 0 ? customEmojis.value[0]?.id : undefined);
 const oldest = computed(() => customEmojis.value.length > 0 ? customEmojis.value[customEmojis.value.length - 1]?.id : undefined);
 
-watch(customEmojis, refreshGridItems);
+watch(customEmojis, refreshGridItems, { immediate: true });
+
+async function onUpdateClicked() {
+	const _items = gridItems.value;
+	const _originItems = originGridItems.value;
+	if (_items.length !== _originItems.length) {
+		throw new Error('The number of items has been changed. Please refresh the page and try again.');
+	}
+
+	const updatedItems = _items.filter((it, idx) => !it.deleteCheck && JSON.stringify(it) !== JSON.stringify(_originItems[idx]));
+	const deleteItems = _items.filter((it) => it.deleteCheck);
+
+	async function action() {
+		const emptyStrToNull = (value: string) => value === '' ? null : value;
+		const emptyStrToEmptyArray = (value: string) => value === '' ? [] : value.split(',').map(it => it.trim());
+
+		for (const item of updatedItems) {
+			await misskeyApi('admin/emoji/update', {
+				id: item.id!,
+				name: item.name,
+				category: emptyStrToNull(item.category),
+				aliases: emptyStrToEmptyArray(item.aliases),
+				license: emptyStrToNull(item.license),
+				isSensitive: item.isSensitive,
+				localOnly: item.localOnly,
+				roleIdsThatCanBeUsedThisEmojiAsReaction: emptyStrToEmptyArray(item.roleIdsThatCanBeUsedThisEmojiAsReaction),
+			});
+		}
+
+		const deleteIds = deleteItems.map(it => it.id!);
+		await misskeyApi('admin/emoji/delete-bulk', { ids: deleteIds });
+	}
+
+	await os.promiseDialog(
+		action(),
+		() => {},
+		() => {},
+	);
+
+	emit('operation:search', query.value, undefined, undefined);
+}
+
+function onResetClicked() {
+	refreshGridItems();
+}
 
 function onSearchButtonClicked() {
 	emit('operation:search', query.value, undefined, undefined);
@@ -83,13 +146,73 @@ async function onOldestButtonClicked() {
 	emit('operation:search', query.value, undefined, oldest.value);
 }
 
-function refreshGridItems() {
-	gridItems.value = customEmojis.value.map(it => fromEmojiDetailed(it));
+function onGridEvent(event: GridEvent, currentState: GridCurrentState) {
+	switch (event.type) {
+		case 'cell-validation':
+			onGridCellValidation(event);
+			break;
+		case 'row-context-menu':
+			onGridRowContextMenu(event, currentState);
+			break;
+		case 'cell-context-menu':
+			onGridCellContextMenu(event, currentState);
+			break;
+		case 'cell-value-change':
+			onGridCellValueChange(event, currentState);
+			break;
+		case 'keydown':
+			onGridKeyDown(event, currentState);
+			break;
+	}
 }
 
-onMounted(() => {
-	refreshGridItems();
-});
+function onGridCellValidation(event: GridCellValidationEvent) {
+	updateButtonDisabled.value = event.all.filter(it => !it.valid).length > 0;
+}
+
+function onGridRowContextMenu(event: GridRowContextMenuEvent, currentState: GridCurrentState) {
+	event.menuItems.push(
+		{
+			type: 'button',
+			text: '選択行をコピー',
+			icon: 'ti ti-copy',
+			action: () => optInGridUtils.copyToClipboard(gridItems, currentState),
+		},
+	);
+}
+
+function onGridCellContextMenu(event: GridCellContextMenuEvent, currentState: GridCurrentState) {
+	event.menuItems.push(
+		{
+			type: 'button',
+			text: '選択範囲をコピー',
+			icon: 'ti ti-copy',
+			action: () => optInGridUtils.copyToClipboard(gridItems, currentState),
+		},
+		{
+			type: 'button',
+			text: '選択行を削除',
+			icon: 'ti ti-trash',
+			action: () => optInGridUtils.deleteSelectionRange(gridItems, currentState),
+		},
+	);
+}
+
+function onGridCellValueChange(event: GridCellValueChangeEvent, currentState: GridCurrentState) {
+	const { row, column, newValue } = event;
+	if (gridItems.value.length > row.index && column.setting.bindTo in gridItems.value[row.index]) {
+		gridItems.value[row.index][column.setting.bindTo] = newValue;
+	}
+}
+
+function onGridKeyDown(event: GridKeyDownEvent, currentState: GridCurrentState) {
+	optInGridUtils.defaultKeyDownHandler(gridItems, event, currentState);
+}
+
+function refreshGridItems() {
+	gridItems.value = customEmojis.value.map(it => fromEmojiDetailed(it));
+	originGridItems.value = JSON.parse(JSON.stringify(gridItems.value));
+}
 
 </script>
 
diff --git a/packages/frontend/src/pages/admin/custom-emojis-grid.register.vue b/packages/frontend/src/pages/admin/custom-emojis-grid.register.vue
index 9eb75ac45b..5c2fda4f35 100644
--- a/packages/frontend/src/pages/admin/custom-emojis-grid.register.vue
+++ b/packages/frontend/src/pages/admin/custom-emojis-grid.register.vue
@@ -154,17 +154,20 @@ async function onRegistryClicked() {
 
 	const items = new Map<string, GridItem>(gridItems.value.map(it => [`${it.fileId}|${it.name}`, it]));
 	const upload = async (): Promise<UploadResult[]> => {
+		const emptyStrToNull = (value: string) => value === '' ? null : value;
+		const emptyStrToEmptyArray = (value: string) => value === '' ? [] : value.split(',').map(it => it.trim());
+
 		const result = Array.of<UploadResult>();
 		for (const [key, item] of [...items.entries()].slice(0, MAXIMUM_EMOJI_COUNT)) {
 			try {
 				await misskeyApi('admin/emoji/add', {
 					name: item.name,
-					category: item.category,
-					aliases: item.aliases.split(',').map(it => it.trim()),
-					license: item.license,
+					category: emptyStrToNull(item.category),
+					aliases: emptyStrToEmptyArray(item.aliases),
+					license: emptyStrToNull(item.license),
 					isSensitive: item.isSensitive,
 					localOnly: item.localOnly,
-					roleIdsThatCanBeUsedThisEmojiAsReaction: item.roleIdsThatCanBeUsedThisEmojiAsReaction.split(',').map(it => it.trim()),
+					roleIdsThatCanBeUsedThisEmojiAsReaction: emptyStrToEmptyArray(item.roleIdsThatCanBeUsedThisEmojiAsReaction),
 					fileId: item.fileId!,
 				});
 				result.push({ key, item, success: true, err: undefined });