diff --git a/packages/backend/src/core/chart/core.ts b/packages/backend/src/core/chart/core.ts
index 8d0a89f2d6ae..4660c66b6e6e 100644
--- a/packages/backend/src/core/chart/core.ts
+++ b/packages/backend/src/core/chart/core.ts
@@ -94,6 +94,29 @@ type ToJsonSchema<S> = {
 };
 
 export function getJsonSchema<S extends Schema>(schema: S): ToJsonSchema<Unflatten<ChartResult<S>>> {
+	const unflatten = (str: string, parent: Record<string, any>) => {
+		const keys = str.split('.');
+		const key = keys.shift();
+		const nextKey = keys[0];
+
+		if (!key) return;
+
+		if (!parent.properties[key]) {
+			parent.properties[key] = nextKey ? {
+				type: 'object',
+				properties: {},
+				required: [],
+			} : {
+				type: 'array',
+				items: {
+					type: 'number',
+				},
+			};
+		}
+
+		if (nextKey) unflatten(keys.join('.'), parent.properties[key] as Record<string, any>);
+	};
+
 	const jsonSchema = {
 		type: 'object',
 		properties: {} as Record<string, unknown>,
@@ -101,10 +124,7 @@ export function getJsonSchema<S extends Schema>(schema: S): ToJsonSchema<Unflatt
 	};
 
 	for (const k in schema) {
-		jsonSchema.properties[k] = {
-			type: 'array',
-			items: { type: 'number' },
-		};
+		unflatten(k, jsonSchema);
 	}
 
 	return jsonSchema as ToJsonSchema<Unflatten<ChartResult<S>>>;
diff --git a/packages/misskey-js/src/autogen/apiClientJSDoc.ts b/packages/misskey-js/src/autogen/apiClientJSDoc.ts
index 05d9077be265..2e0a9e8b503b 100644
--- a/packages/misskey-js/src/autogen/apiClientJSDoc.ts
+++ b/packages/misskey-js/src/autogen/apiClientJSDoc.ts
@@ -1,6 +1,6 @@
 /*
  * version: 2023.12.2
- * generatedAt: 2024-01-03T14:50:11.647Z
+ * generatedAt: 2024-01-05T17:21:28.094Z
  */
 
 import type { SwitchCaseResponseType } from '../api.js';
diff --git a/packages/misskey-js/src/autogen/endpoint.ts b/packages/misskey-js/src/autogen/endpoint.ts
index 18fddd949c6f..cdc104fe84d9 100644
--- a/packages/misskey-js/src/autogen/endpoint.ts
+++ b/packages/misskey-js/src/autogen/endpoint.ts
@@ -1,6 +1,6 @@
 /*
  * version: 2023.12.2
- * generatedAt: 2024-01-03T14:50:11.643Z
+ * generatedAt: 2024-01-05T17:21:28.090Z
  */
 
 import type {
diff --git a/packages/misskey-js/src/autogen/entities.ts b/packages/misskey-js/src/autogen/entities.ts
index 2ec2ab291bef..39aea942d41e 100644
--- a/packages/misskey-js/src/autogen/entities.ts
+++ b/packages/misskey-js/src/autogen/entities.ts
@@ -1,6 +1,6 @@
 /*
  * version: 2023.12.2
- * generatedAt: 2024-01-03T14:50:11.639Z
+ * generatedAt: 2024-01-05T17:21:28.088Z
  */
 
 import { operations } from './types.js';
diff --git a/packages/misskey-js/src/autogen/models.ts b/packages/misskey-js/src/autogen/models.ts
index a50f63b7c41f..3880b3823e3f 100644
--- a/packages/misskey-js/src/autogen/models.ts
+++ b/packages/misskey-js/src/autogen/models.ts
@@ -1,6 +1,6 @@
 /*
  * version: 2023.12.2
- * generatedAt: 2024-01-03T14:50:11.637Z
+ * generatedAt: 2024-01-05T17:21:28.087Z
  */
 
 import { components } from './types.js';
diff --git a/packages/misskey-js/src/autogen/types.ts b/packages/misskey-js/src/autogen/types.ts
index f00a0df4b49f..744d2a4472bd 100644
--- a/packages/misskey-js/src/autogen/types.ts
+++ b/packages/misskey-js/src/autogen/types.ts
@@ -3,7 +3,7 @@
 
 /*
  * version: 2023.12.2
- * generatedAt: 2024-01-03T14:50:11.515Z
+ * generatedAt: 2024-01-05T17:21:27.961Z
  */
 
 /**
@@ -10877,14 +10877,18 @@ export type operations = {
       200: {
         content: {
           'application/json': {
-            'local.incCount': number[];
-            'local.incSize': number[];
-            'local.decCount': number[];
-            'local.decSize': number[];
-            'remote.incCount': number[];
-            'remote.incSize': number[];
-            'remote.decCount': number[];
-            'remote.decSize': number[];
+            local: {
+              incCount: number[];
+              incSize: number[];
+              decCount: number[];
+              decSize: number[];
+            };
+            remote: {
+              incCount: number[];
+              incSize: number[];
+              decCount: number[];
+              decSize: number[];
+            };
           };
         };
       };
@@ -11012,30 +11016,44 @@ export type operations = {
       200: {
         content: {
           'application/json': {
-            'requests.failed': number[];
-            'requests.succeeded': number[];
-            'requests.received': number[];
-            'notes.total': number[];
-            'notes.inc': number[];
-            'notes.dec': number[];
-            'notes.diffs.normal': number[];
-            'notes.diffs.reply': number[];
-            'notes.diffs.renote': number[];
-            'notes.diffs.withFile': number[];
-            'users.total': number[];
-            'users.inc': number[];
-            'users.dec': number[];
-            'following.total': number[];
-            'following.inc': number[];
-            'following.dec': number[];
-            'followers.total': number[];
-            'followers.inc': number[];
-            'followers.dec': number[];
-            'drive.totalFiles': number[];
-            'drive.incFiles': number[];
-            'drive.decFiles': number[];
-            'drive.incUsage': number[];
-            'drive.decUsage': number[];
+            requests: {
+              failed: number[];
+              succeeded: number[];
+              received: number[];
+            };
+            notes: {
+              total: number[];
+              inc: number[];
+              dec: number[];
+              diffs: {
+                normal: number[];
+                reply: number[];
+                renote: number[];
+                withFile: number[];
+              };
+            };
+            users: {
+              total: number[];
+              inc: number[];
+              dec: number[];
+            };
+            following: {
+              total: number[];
+              inc: number[];
+              dec: number[];
+            };
+            followers: {
+              total: number[];
+              inc: number[];
+              dec: number[];
+            };
+            drive: {
+              totalFiles: number[];
+              incFiles: number[];
+              decFiles: number[];
+              incUsage: number[];
+              decUsage: number[];
+            };
           };
         };
       };
@@ -11095,20 +11113,28 @@ export type operations = {
       200: {
         content: {
           'application/json': {
-            'local.total': number[];
-            'local.inc': number[];
-            'local.dec': number[];
-            'local.diffs.normal': number[];
-            'local.diffs.reply': number[];
-            'local.diffs.renote': number[];
-            'local.diffs.withFile': number[];
-            'remote.total': number[];
-            'remote.inc': number[];
-            'remote.dec': number[];
-            'remote.diffs.normal': number[];
-            'remote.diffs.reply': number[];
-            'remote.diffs.renote': number[];
-            'remote.diffs.withFile': number[];
+            local: {
+              total: number[];
+              inc: number[];
+              dec: number[];
+              diffs: {
+                normal: number[];
+                reply: number[];
+                renote: number[];
+                withFile: number[];
+              };
+            };
+            remote: {
+              total: number[];
+              inc: number[];
+              dec: number[];
+              diffs: {
+                normal: number[];
+                reply: number[];
+                renote: number[];
+                withFile: number[];
+              };
+            };
           };
         };
       };
@@ -11237,18 +11263,30 @@ export type operations = {
       200: {
         content: {
           'application/json': {
-            'local.followings.total': number[];
-            'local.followings.inc': number[];
-            'local.followings.dec': number[];
-            'local.followers.total': number[];
-            'local.followers.inc': number[];
-            'local.followers.dec': number[];
-            'remote.followings.total': number[];
-            'remote.followings.inc': number[];
-            'remote.followings.dec': number[];
-            'remote.followers.total': number[];
-            'remote.followers.inc': number[];
-            'remote.followers.dec': number[];
+            local: {
+              followings: {
+                total: number[];
+                inc: number[];
+                dec: number[];
+              };
+              followers: {
+                total: number[];
+                inc: number[];
+                dec: number[];
+              };
+            };
+            remote: {
+              followings: {
+                total: number[];
+                inc: number[];
+                dec: number[];
+              };
+              followers: {
+                total: number[];
+                inc: number[];
+                dec: number[];
+              };
+            };
           };
         };
       };
@@ -11313,10 +11351,12 @@ export type operations = {
             total: number[];
             inc: number[];
             dec: number[];
-            'diffs.normal': number[];
-            'diffs.reply': number[];
-            'diffs.renote': number[];
-            'diffs.withFile': number[];
+            diffs: {
+              normal: number[];
+              reply: number[];
+              renote: number[];
+              withFile: number[];
+            };
           };
         };
       };
@@ -11378,10 +11418,14 @@ export type operations = {
       200: {
         content: {
           'application/json': {
-            'upv.user': number[];
-            'pv.user': number[];
-            'upv.visitor': number[];
-            'pv.visitor': number[];
+            upv: {
+              user: number[];
+              visitor: number[];
+            };
+            pv: {
+              user: number[];
+              visitor: number[];
+            };
           };
         };
       };
@@ -11443,8 +11487,12 @@ export type operations = {
       200: {
         content: {
           'application/json': {
-            'local.count': number[];
-            'remote.count': number[];
+            local: {
+              count: number[];
+            };
+            remote: {
+              count: number[];
+            };
           };
         };
       };
@@ -11504,12 +11552,16 @@ export type operations = {
       200: {
         content: {
           'application/json': {
-            'local.total': number[];
-            'local.inc': number[];
-            'local.dec': number[];
-            'remote.total': number[];
-            'remote.inc': number[];
-            'remote.dec': number[];
+            local: {
+              total: number[];
+              inc: number[];
+              dec: number[];
+            };
+            remote: {
+              total: number[];
+              inc: number[];
+              dec: number[];
+            };
           };
         };
       };