diff --git a/.changeset/clever-points-tap.md b/.changeset/clever-points-tap.md
new file mode 100644
index 000000000..bb0088d1d
--- /dev/null
+++ b/.changeset/clever-points-tap.md
@@ -0,0 +1,5 @@
+---
+'@modern-kit/types': minor
+---
+
+feat(types): Merge, Invert, NegativeNumber 타입 추가 - @ssi02014
diff --git a/packages/types/src/ExtendOmittedProperties/ExtendOmittedProperties.spec.ts b/packages/types/src/ExtendOmittedProperties/ExtendOmittedProperties.spec.ts
deleted file mode 100644
index 3c02c90f9..000000000
--- a/packages/types/src/ExtendOmittedProperties/ExtendOmittedProperties.spec.ts
+++ /dev/null
@@ -1,19 +0,0 @@
-import { describe, it, expectTypeOf } from 'vitest';
-import { ExtendOmittedProperties } from '.';
-
-describe('ExcludeNullish', () => {
-  it('첫 번째 제네릭 타입의 프로퍼티를 Omit으로 제외 후 제외 한 프로퍼티를 확장합니다.', () => {
-    type TestType = { foo: string; bar: number };
-
-    const test: ExtendOmittedProperties<TestType, { bar: string }> = {
-      foo: 'foo',
-      bar: 'bar',
-    };
-
-    // toEqualTypeOf 이슈로 우회 테스트
-    expectTypeOf(test as { foo: string; bar: string }).toEqualTypeOf<{
-      foo: string;
-      bar: string;
-    }>();
-  });
-});
diff --git a/packages/types/src/ExtendOmittedProperties/index.ts b/packages/types/src/ExtendOmittedProperties/index.ts
deleted file mode 100644
index 5c54f032e..000000000
--- a/packages/types/src/ExtendOmittedProperties/index.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-export type ExtendOmittedProperties<
-  T extends Record<PropertyKey, any>,
-  E extends Record<PropertyKey, any>
-> = Omit<T, keyof E> & E;
diff --git a/packages/types/src/ExtractMapType/ExtractMapType.spec.ts b/packages/types/src/ExtractMapType/ExtractMapType.spec.ts
index b6e86670d..d9500b41a 100644
--- a/packages/types/src/ExtractMapType/ExtractMapType.spec.ts
+++ b/packages/types/src/ExtractMapType/ExtractMapType.spec.ts
@@ -2,7 +2,7 @@ import { describe, it, expectTypeOf } from 'vitest';
 import { ExtractMapType } from '.';
 
 describe('ExtractMapType', () => {
-  it('should infer the generic type of a Map', () => {
+  it('Map의 제네릭 타입을 올바르게 추론해야 합니다.', () => {
     const key = 'foo' as 'foo' | 'bar';
     const value = 1 as 1 | 2 | 3;
 
diff --git a/packages/types/src/ExtractNestedArrayType/ExtractNestedArrayType.spec.ts b/packages/types/src/ExtractNestedArrayType/ExtractNestedArrayType.spec.ts
index 6526fe02f..031d6d3a0 100644
--- a/packages/types/src/ExtractNestedArrayType/ExtractNestedArrayType.spec.ts
+++ b/packages/types/src/ExtractNestedArrayType/ExtractNestedArrayType.spec.ts
@@ -2,7 +2,7 @@ import { describe, it, expectTypeOf } from 'vitest';
 import { ExtractNestedArrayType } from '.';
 
 describe('ExtractNestedArrayType', () => {
-  it('should correctly extract the nested array type when all elements are numbers', () => {
+  it('모든 요소가 숫자인 중첩 배열에서 올바르게 타입을 추출해야 합니다.', () => {
     const arr = [1, 2, [3, 4, [5, 6]]]; // (number | (number | number[])[])[]
     const flattenArray = arr.flat(2); // number[]
 
@@ -11,7 +11,7 @@ describe('ExtractNestedArrayType', () => {
     expectTypeOf(flattenArray).toEqualTypeOf<extractedType[]>();
   });
 
-  it('should correctly extract the nested array type when elements are of mixed types', () => {
+  it('요소가 혼합된 타입인 중첩 배열에서 올바르게 타입을 추출해야 합니다.', () => {
     const arr = [1, 2, ['string', 4, [true, 6]]]; // (number | (string | number | (number | boolean)[])[])[]
     const flattenArray = arr.flat(3); // (string | number | boolean)[]
 
diff --git a/packages/types/src/Integer/Integer.spec.ts b/packages/types/src/Integer/Integer.spec.ts
new file mode 100644
index 000000000..27b3582e1
--- /dev/null
+++ b/packages/types/src/Integer/Integer.spec.ts
@@ -0,0 +1,14 @@
+import { describe, it, expectTypeOf } from 'vitest';
+import { Integer } from '.';
+
+describe('Integer', () => {
+  it('정수라면 해당 타입을 반환하고, 정수가 아니라면 never를 반환해야 합니다. ', () => {
+    const validInteger1: Integer<1> = 1; // 양의 정수
+    const validInteger2: Integer<-1> = -1; // 음의 정수
+    const invalidInteger: Integer<1.5> = null as unknown as Integer<1.5>;
+
+    expectTypeOf(validInteger1).toEqualTypeOf<1>();
+    expectTypeOf(validInteger2).toEqualTypeOf<-1>();
+    expectTypeOf(invalidInteger).toEqualTypeOf<never>();
+  });
+});
diff --git a/packages/types/src/Integer/index.ts b/packages/types/src/Integer/index.ts
index e76b0ba38..fb5880562 100644
--- a/packages/types/src/Integer/index.ts
+++ b/packages/types/src/Integer/index.ts
@@ -1,3 +1,13 @@
+/**
+ * @description 숫자 타입이 정수인지 확인하는 타입
+ *
+ * @template T - 검사할 숫자 타입
+ * @returns 입력된 숫자가 정수이면 해당 타입을 반환하고, 소수점이 있으면 never를 반환
+ *
+ * @example
+ * type ValidInteger = Integer<1>; // 1
+ * type InvalidInteger = Integer<1.5>; // never
+ */
 export type Integer<T extends number> = `${T}` extends `${string}.${string}`
   ? never
   : T;
diff --git a/packages/types/src/Invert/Invert.spec.ts b/packages/types/src/Invert/Invert.spec.ts
new file mode 100644
index 000000000..2f40e4520
--- /dev/null
+++ b/packages/types/src/Invert/Invert.spec.ts
@@ -0,0 +1,15 @@
+import { describe, it, expectTypeOf } from 'vitest';
+import { Invert } from '.';
+
+describe('Invert', () => {
+  it('객체의 key와 value를 서로 바꾼 새로운 타입을 반환해야 합니다.', () => {
+    const originObj = { foo: 'a', bar: 'b' } as const;
+
+    const invertedObj: Invert<typeof originObj> = { a: 'foo', b: 'bar' };
+
+    expectTypeOf(invertedObj).toEqualTypeOf<{
+      readonly a: 'foo';
+      readonly b: 'bar';
+    }>();
+  });
+});
diff --git a/packages/types/src/Invert/index.ts b/packages/types/src/Invert/index.ts
new file mode 100644
index 000000000..5d6b87681
--- /dev/null
+++ b/packages/types/src/Invert/index.ts
@@ -0,0 +1,13 @@
+/**
+ * @description 객체의 key와 value을 서로 바꾸는 타입입니다.
+ *
+ * @template T - 타입을 변경 할 객체 타입
+ * @returns 원본 객체의 키와 값이 서로 바뀐 새로운 타입을 반환합니다
+ *
+ * @example
+ * type originObj = { a: "x", b: "y" };
+ * type invertedObj = Invert<origin>; // { x: "a", y: "b" }
+ */
+export type Invert<T extends Record<PropertyKey, PropertyKey>> = {
+  [K in keyof T as T[K]]: K;
+};
diff --git a/packages/types/src/Merge/Merge.spec.ts b/packages/types/src/Merge/Merge.spec.ts
new file mode 100644
index 000000000..4af1626a0
--- /dev/null
+++ b/packages/types/src/Merge/Merge.spec.ts
@@ -0,0 +1,23 @@
+import { describe, it, expectTypeOf } from 'vitest';
+import { Merge } from '.';
+
+describe('Merge', () => {
+  it('두 개의 객체 타입을 병합하여 새로운 객체 타입을 반환해야 합니다.', () => {
+    type MergedType = Merge<
+      { a: string; b: number },
+      { b: string; c: boolean }
+    >; // { a: string; b: string; c: boolean }
+
+    const obj: MergedType = {
+      a: 'a',
+      b: 'b',
+      c: true,
+    };
+
+    expectTypeOf(obj as { a: string; b: string; c: boolean }).toEqualTypeOf<{
+      a: string;
+      b: string;
+      c: boolean;
+    }>();
+  });
+});
diff --git a/packages/types/src/Merge/index.ts b/packages/types/src/Merge/index.ts
new file mode 100644
index 000000000..d850bfcb2
--- /dev/null
+++ b/packages/types/src/Merge/index.ts
@@ -0,0 +1,21 @@
+/**
+ * @description 두 객체 타입을 병합하는 타입입니다. 이때, 겹치는 프로퍼티는 두 번째 타입의 타입으로 대체됩니다.
+ *
+ * @template A - 첫 번째 타입
+ * @template B - 두 번째 타입
+ *
+ * @example
+ * type A = { a: string, b: number }
+ * type B = { b: string, c: boolean }
+ * type Result = Merge<A, B>
+ *
+ * // 동작 원리와 순서
+ * // 1. Result = Merge<A, B>
+ * // 2. Result = Omit<A, 'b' | 'c'> & B
+ * // 3. Result = { a: string } & B
+ * // 4. Result = { a: string, b: string, c: boolean }
+ */
+export type Merge<
+  A extends Record<PropertyKey, any>,
+  B extends Record<PropertyKey, any>
+> = Omit<A, keyof B> & B;
diff --git a/packages/types/src/NaturalNumber/NaturalNumber.spec.ts b/packages/types/src/NaturalNumber/NaturalNumber.spec.ts
new file mode 100644
index 000000000..cb0eee0d9
--- /dev/null
+++ b/packages/types/src/NaturalNumber/NaturalNumber.spec.ts
@@ -0,0 +1,18 @@
+import { describe, it, expectTypeOf } from 'vitest';
+import { NaturalNumber } from '.';
+
+describe('NaturalNumber', () => {
+  it('자연수라면 해당 타입을 반환하고, 자연수가 아니라면 never를 반환해야 합니다. ', () => {
+    const validNaturalNumber: NaturalNumber<1> = 1;
+
+    const invalidNaturalNumber1: NaturalNumber<0> = null as NaturalNumber<0>;
+    const invalidNaturalNumber2: NaturalNumber<-1> = null as NaturalNumber<-1>;
+    const invalidNaturalNumber3: NaturalNumber<1.5> =
+      null as NaturalNumber<1.5>;
+
+    expectTypeOf(validNaturalNumber).toEqualTypeOf<1>();
+    expectTypeOf(invalidNaturalNumber1).toEqualTypeOf<never>();
+    expectTypeOf(invalidNaturalNumber2).toEqualTypeOf<never>();
+    expectTypeOf(invalidNaturalNumber3).toEqualTypeOf<never>();
+  });
+});
diff --git a/packages/types/src/NaturalNumber/index.ts b/packages/types/src/NaturalNumber/index.ts
index 5dce9b7eb..e29f431bc 100644
--- a/packages/types/src/NaturalNumber/index.ts
+++ b/packages/types/src/NaturalNumber/index.ts
@@ -1,7 +1,17 @@
-import { Integer } from 'Integer';
-
-export type NaturalNumber<T extends number> = Integer<T> extends never
-  ? never
-  : `${T}` extends `-${string}` | '0'
+/**
+ * @description 자연수를 나타내는 타입입니다 (0보다 큰 양의 정수).
+ *
+ * @template T - 검사할 숫자 타입
+ * @returns 입력된 숫자 T가 자연수인 경우 해당 타입을 반환하고,유효하지 않은 자연수인 경우 never를 반환합니다.
+ * @example
+ * type ValidNaturalNumber = NaturalNumber<1>; // 1
+ * type InvalidNaturalNumber1 = NaturalNumber<0>; // never
+ * type InvalidNaturalNumber2 = NaturalNumber<-1>; // never
+ * type InvalidNaturalNumber3 = NaturalNumber<1.5>; // never
+ */
+export type NaturalNumber<T extends number> = `${T}` extends
+  | `${number}.${number}`
+  | `-${string}`
+  | '0'
   ? never
   : T;
diff --git a/packages/types/src/NegativeNumber/NegativeNumber.spec.ts b/packages/types/src/NegativeNumber/NegativeNumber.spec.ts
new file mode 100644
index 000000000..84ad7aaaa
--- /dev/null
+++ b/packages/types/src/NegativeNumber/NegativeNumber.spec.ts
@@ -0,0 +1,18 @@
+import { describe, it, expectTypeOf } from 'vitest';
+import { NegativeNumber } from '.';
+
+describe('NegativeNumber', () => {
+  it('음수라면 해당 타입을 반환하고, 음수가 아니라면 never를 반환해야 합니다. ', () => {
+    const validNegative: NegativeNumber<-1> = -1;
+
+    const invalidNegative1: NegativeNumber<1> =
+      null as unknown as NegativeNumber<1>; // 양수
+
+    const invalidNegative2: NegativeNumber<1.5> =
+      null as unknown as NegativeNumber<1.5>; // 소수
+
+    expectTypeOf(validNegative).toEqualTypeOf<-1>();
+    expectTypeOf(invalidNegative1).toEqualTypeOf<never>();
+    expectTypeOf(invalidNegative2).toEqualTypeOf<never>();
+  });
+});
diff --git a/packages/types/src/NegativeNumber/index.ts b/packages/types/src/NegativeNumber/index.ts
new file mode 100644
index 000000000..59d81f26f
--- /dev/null
+++ b/packages/types/src/NegativeNumber/index.ts
@@ -0,0 +1,13 @@
+/**
+ * @description 주어진 숫자 타입이 음수인지 확인하는 타입
+ *
+ * @template T - 검사할 숫자 타입
+ * @returns 입력된 타입 T가 음수인 경우 T를 반환하고, 그렇지 않으면 never를 반환
+ *
+ * @example
+ * type validNegativeNumber = NegativeNumber<-1>; // -1
+ * type invalidNegativeNumber = NegativeNumber<1>;  // never
+ */
+export type NegativeNumber<T extends number> = `${T}` extends `-${number}`
+  ? T
+  : never;
diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
index 77529f83b..af29552ee 100644
--- a/packages/types/src/index.ts
+++ b/packages/types/src/index.ts
@@ -1,13 +1,15 @@
 export * from './Arrayable';
 export * from './ArrayWithReadonly';
 export * from './ExcludeNullish';
-export * from './ExtendOmittedProperties';
 export * from './ExtractMapType';
 export * from './ExtractNestedArrayType';
 export * from './ExtractSetType';
 export * from './IndexSignature';
 export * from './Integer';
+export * from './Invert';
+export * from './Merge';
 export * from './NaturalNumber';
+export * from './NegativeNumber';
 export * from './NonEmptyArray';
 export * from './Nullable';
 export * from './ObjectEntries';
diff --git a/packages/utils/src/common/asyncNoop/asyncNoop.spec.ts b/packages/utils/src/common/asyncNoop/asyncNoop.spec.ts
index 26cef85d3..478d60fe7 100644
--- a/packages/utils/src/common/asyncNoop/asyncNoop.spec.ts
+++ b/packages/utils/src/common/asyncNoop/asyncNoop.spec.ts
@@ -2,7 +2,7 @@ import { describe, it, expect } from 'vitest';
 import { asyncNoop } from '.';
 
 describe('asyncNoop', () => {
-  it('should return a Promise', () => {
+  it('Promise를 반환해야 합니다', () => {
     expect(asyncNoop()).toBeInstanceOf(Promise);
   });
 });