diff --git a/package.json b/package.json
index 16c9e38e52..0f65cb06c8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "typia",
-  "version": "5.2.1",
+  "version": "5.2.2-dev.20231012",
   "description": "Superfast runtime validators with only one line",
   "main": "lib/index.js",
   "typings": "lib/index.d.ts",
diff --git a/packages/typescript-json/package.json b/packages/typescript-json/package.json
index 5f36ec5148..4f63fae71c 100644
--- a/packages/typescript-json/package.json
+++ b/packages/typescript-json/package.json
@@ -1,6 +1,6 @@
 {
   "name": "typescript-json",
-  "version": "5.2.1",
+  "version": "5.2.2-dev.20231012",
   "description": "Superfast runtime validators with only one line",
   "main": "lib/index.js",
   "typings": "lib/index.d.ts",
@@ -72,7 +72,7 @@
   },
   "homepage": "https://typia.io",
   "dependencies": {
-    "typia": "5.2.1-dev.20231011"
+    "typia": "5.2.2-dev.20231012"
   },
   "peerDependencies": {
     "typescript": ">= 4.8.0"
diff --git a/src/factories/MetadataCollection.ts b/src/factories/MetadataCollection.ts
index 2f61d0773d..a8c7b011b6 100644
--- a/src/factories/MetadataCollection.ts
+++ b/src/factories/MetadataCollection.ts
@@ -117,9 +117,14 @@ export class MetadataCollection {
             name: $id,
             properties: [],
             description:
+                (type.aliasSymbol &&
+                    CommentFactory.description(type.aliasSymbol)) ??
                 (type.symbol && CommentFactory.description(type.symbol)) ??
                 undefined,
-            jsDocTags: type.symbol?.getJsDocTags() ?? [],
+            jsDocTags:
+                type.aliasSymbol?.getJsDocTags() ??
+                type.symbol?.getJsDocTags() ??
+                [],
             validated: false,
             index: this.object_index_++,
             recursive: null!,
diff --git a/test/generated/output/issues/test_issue_831_optional.ts b/test/generated/output/issues/test_issue_831_optional.ts
index bc9e11fb1c..9efb6c1c90 100644
--- a/test/generated/output/issues/test_issue_831_optional.ts
+++ b/test/generated/output/issues/test_issue_831_optional.ts
@@ -75,6 +75,7 @@ export const test_issue_831_optional = () => {
                         },
                     },
                     nullable: false,
+                    description: "Make all properties in T optional",
                     "x-typia-jsDocTags": [],
                 },
                 RequiredIQuery: {
@@ -103,6 +104,7 @@ export const test_issue_831_optional = () => {
                     },
                     nullable: false,
                     required: ["required", "optional"],
+                    description: "Make all properties in T required",
                     "x-typia-jsDocTags": [],
                 },
             },
diff --git a/test/issues/swagger.ts b/test/issues/swagger.ts
index 0b827237ef..aed36d2988 100644
--- a/test/issues/swagger.ts
+++ b/test/issues/swagger.ts
@@ -1,17 +1,31 @@
-import typia, { IJsonApplication, IJsonComponents } from "typia";
+import typia from "typia";
 
-interface IQuery {
-    nonRequired: string | undefined;
+/**
+ * Some description.
+ *
+ * @title something
+ */
+interface Interface {
+    value: number;
 }
 
-const app: IJsonApplication = typia.json.application<[Partial<IQuery>]>();
-const query: IJsonComponents.IObject = app.components.schemas
-    ?.PartialIQuery as IJsonComponents.IObject;
+/**
+ * Some description.
+ *
+ * @title something
+ */
+interface Type {
+    value: number;
+}
 
-console.log(
-    Object.entries(query.properties).map(([key, value]) => [
-        key,
-        value["x-typia-required"],
-        value["x-typia-optional"],
-    ]),
-);
+const app = typia.json.application<[Interface, Type]>();
+console.log({
+    interface: {
+        description: app.components.schemas?.Interface?.description,
+        tags: app.components.schemas?.Interface?.["x-typia-jsDocTags"],
+    },
+    type: {
+        description: app.components.schemas?.Type?.description,
+        tags: app.components.schemas?.Type?.["x-typia-jsDocTags"],
+    },
+});
diff --git a/test/schemas/json/ajv/DynamicTree.json b/test/schemas/json/ajv/DynamicTree.json
index f01f9f0dc2..27acd7202f 100644
--- a/test/schemas/json/ajv/DynamicTree.json
+++ b/test/schemas/json/ajv/DynamicTree.json
@@ -35,6 +35,7 @@
         "$id": "#/components/schemas/RecordstringDynamicTree",
         "type": "object",
         "properties": {},
+        "description": "Construct a type with a set of properties K of type T",
         "x-typia-jsDocTags": [],
         "additionalProperties": {
           "$ref": "#/components/schemas/DynamicTree"
diff --git a/test/schemas/json/ajv/ObjectPartial.json b/test/schemas/json/ajv/ObjectPartial.json
index 81f620f6d0..f579d5c68a 100644
--- a/test/schemas/json/ajv/ObjectPartial.json
+++ b/test/schemas/json/ajv/ObjectPartial.json
@@ -50,6 +50,7 @@
             "x-typia-optional": true
           }
         },
+        "description": "Make all properties in T optional",
         "x-typia-jsDocTags": []
       },
       "ObjectPartial.IBase": {
diff --git a/test/schemas/json/ajv/ObjectRequired.json b/test/schemas/json/ajv/ObjectRequired.json
index 0f935cdc45..64a271a9ad 100644
--- a/test/schemas/json/ajv/ObjectRequired.json
+++ b/test/schemas/json/ajv/ObjectRequired.json
@@ -57,6 +57,7 @@
           "array",
           "object"
         ],
+        "description": "Make all properties in T required",
         "x-typia-jsDocTags": []
       },
       "ObjectRequired.IBase": {
diff --git a/test/schemas/json/ajv/UltimateUnion.json b/test/schemas/json/ajv/UltimateUnion.json
index 4a7b3689cb..4afe31bbcc 100644
--- a/test/schemas/json/ajv/UltimateUnion.json
+++ b/test/schemas/json/ajv/UltimateUnion.json
@@ -1278,6 +1278,7 @@
         "$id": "#/components/schemas/RecordstringIObjectIAlias",
         "type": "object",
         "properties": {},
+        "description": "Construct a type with a set of properties K of type T",
         "x-typia-jsDocTags": [],
         "additionalProperties": {
           "oneOf": [
@@ -1484,6 +1485,7 @@
         "$id": "#/components/schemas/RecordstringIJsonSchema",
         "type": "object",
         "properties": {},
+        "description": "Construct a type with a set of properties K of type T",
         "x-typia-jsDocTags": [],
         "additionalProperties": {
           "$ref": "#/components/schemas/IJsonSchema"
diff --git a/test/schemas/json/swagger/DynamicTree.json b/test/schemas/json/swagger/DynamicTree.json
index f7597401c2..aa4344a9e0 100644
--- a/test/schemas/json/swagger/DynamicTree.json
+++ b/test/schemas/json/swagger/DynamicTree.json
@@ -35,6 +35,7 @@
         "type": "object",
         "properties": {},
         "nullable": false,
+        "description": "Construct a type with a set of properties K of type T",
         "x-typia-jsDocTags": [],
         "x-typia-additionalProperties": {
           "$ref": "#/components/schemas/DynamicTree"
diff --git a/test/schemas/json/swagger/ObjectPartial.json b/test/schemas/json/swagger/ObjectPartial.json
index ea68b78bba..863f567421 100644
--- a/test/schemas/json/swagger/ObjectPartial.json
+++ b/test/schemas/json/swagger/ObjectPartial.json
@@ -39,6 +39,7 @@
           }
         },
         "nullable": false,
+        "description": "Make all properties in T optional",
         "x-typia-jsDocTags": []
       },
       "ObjectPartial.IBase.Nullable": {
diff --git a/test/schemas/json/swagger/ObjectRequired.json b/test/schemas/json/swagger/ObjectRequired.json
index 277b3e6769..3dc800108a 100644
--- a/test/schemas/json/swagger/ObjectRequired.json
+++ b/test/schemas/json/swagger/ObjectRequired.json
@@ -46,6 +46,7 @@
           "array",
           "object"
         ],
+        "description": "Make all properties in T required",
         "x-typia-jsDocTags": []
       },
       "ObjectRequired.IBase.Nullable": {
diff --git a/test/schemas/json/swagger/UltimateUnion.json b/test/schemas/json/swagger/UltimateUnion.json
index 431ed992c8..f02e76cfba 100644
--- a/test/schemas/json/swagger/UltimateUnion.json
+++ b/test/schemas/json/swagger/UltimateUnion.json
@@ -1276,6 +1276,7 @@
         "type": "object",
         "properties": {},
         "nullable": false,
+        "description": "Construct a type with a set of properties K of type T",
         "x-typia-jsDocTags": [],
         "x-typia-additionalProperties": {
           "oneOf": [
@@ -1530,6 +1531,7 @@
         "type": "object",
         "properties": {},
         "nullable": false,
+        "description": "Construct a type with a set of properties K of type T",
         "x-typia-jsDocTags": [],
         "x-typia-additionalProperties": {
           "$ref": "#/components/schemas/IJsonSchema"