diff --git a/.changeset/chatty-forks-admire.md b/.changeset/chatty-forks-admire.md
new file mode 100644
index 00000000..ec0b8450
--- /dev/null
+++ b/.changeset/chatty-forks-admire.md
@@ -0,0 +1,5 @@
+---
+"es-hangul": patch
+---
+
+ci(TypeScript): lint by arethetypeswrong
diff --git a/.circleci/config.yml b/.circleci/config.yml
index f619b9af..24ad9326 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -42,7 +42,18 @@ jobs:
       - run:
           name: Typecheck
           command: yarn tsc --noEmit
-
+  attw:
+    docker:
+      - image: cimg/node:20.12
+    steps:
+      - checkout
+      - setup
+      - run:
+          name: Build
+          command: yarn build
+      - run:
+          name: Arethetypeswrong
+          command: yarn attw
   pre-pack:
     parallelism: 2
     docker:
@@ -53,7 +64,6 @@ jobs:
       - run:
           name: Build
           command: yarn build
-
   check-peer:
     docker:
       - image: cimg/node:20.12
@@ -75,7 +85,6 @@ jobs:
       - run:
           name: Check Publint
           command: yarn publint
-
   test:
     docker:
       - image: cimg/node:20.12
@@ -105,6 +114,10 @@ workflows:
           filters:
             branches:
               ignore: main
+      - attw:
+          filters:
+            branches:
+              ignore: main
       - pre-pack:
           filters:
             branches:
diff --git a/package.json b/package.json
index a1eb9852..469e9e82 100644
--- a/package.json
+++ b/package.json
@@ -42,6 +42,7 @@
     "docs"
   ],
   "scripts": {
+    "attw": "attw --pack",
     "build": "tsup",
     "changeset:publish": "changeset publish",
     "changeset:version": "changeset version",
@@ -52,6 +53,7 @@
     "typecheck": "tsc --noEmit"
   },
   "devDependencies": {
+    "@arethetypeswrong/cli": "^0.15.3",
     "@changesets/changelog-github": "^0.5.0",
     "@changesets/cli": "^2.27.1",
     "@netlify/plugin-nextjs": "^5.0.0",
diff --git a/yarn.lock b/yarn.lock
index 783584fa..b27e3eb4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -29,6 +29,44 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@andrewbranch/untar.js@npm:^1.0.3":
+  version: 1.0.3
+  resolution: "@andrewbranch/untar.js@npm:1.0.3"
+  checksum: 10c0/16774208cd5bc2cace3c8c6ca608b2b9ab07719a44501e5553f72bffb63c5fbac0b715a4b1065a65d09e010d940ac3cd148ade44dd7d49682765fe09e2c3b2a8
+  languageName: node
+  linkType: hard
+
+"@arethetypeswrong/cli@npm:^0.15.3":
+  version: 0.15.3
+  resolution: "@arethetypeswrong/cli@npm:0.15.3"
+  dependencies:
+    "@arethetypeswrong/core": "npm:0.15.1"
+    chalk: "npm:^4.1.2"
+    cli-table3: "npm:^0.6.3"
+    commander: "npm:^10.0.1"
+    marked: "npm:^9.1.2"
+    marked-terminal: "npm:^6.0.0"
+    semver: "npm:^7.5.4"
+  bin:
+    attw: dist/index.js
+  checksum: 10c0/5998ab4a2195f9036a5c1988f73912a0a82cceeaa6a4e647b04414ad956a62163d8286b2a936941f23065b0c872f2bbdf9196fe3cac19c40b8b62a643d91c3c2
+  languageName: node
+  linkType: hard
+
+"@arethetypeswrong/core@npm:0.15.1":
+  version: 0.15.1
+  resolution: "@arethetypeswrong/core@npm:0.15.1"
+  dependencies:
+    "@andrewbranch/untar.js": "npm:^1.0.3"
+    fflate: "npm:^0.8.2"
+    semver: "npm:^7.5.4"
+    ts-expose-internals-conditionally: "npm:1.0.0-empty.0"
+    typescript: "npm:5.3.3"
+    validate-npm-package-name: "npm:^5.0.0"
+  checksum: 10c0/85385378a62be4d6b6e445d7f32e1e20452db0f4cfe337eead747fead9f20cccdf8ee69e3ce8c74736cab9effd6800d8bf6047c35a54474d3e1c5d5f168cf39f
+  languageName: node
+  linkType: hard
+
 "@babel/code-frame@npm:7.12.11":
   version: 7.12.11
   resolution: "@babel/code-frame@npm:7.12.11"
@@ -536,6 +574,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@colors/colors@npm:1.5.0":
+  version: 1.5.0
+  resolution: "@colors/colors@npm:1.5.0"
+  checksum: 10c0/eb42729851adca56d19a08e48d5a1e95efd2a32c55ae0323de8119052be0510d4b7a1611f2abcbf28c044a6c11e6b7d38f99fccdad7429300c37a8ea5fb95b44
+  languageName: node
+  linkType: hard
+
 "@esbuild/aix-ppc64@npm:0.19.12":
   version: 0.19.12
   resolution: "@esbuild/aix-ppc64@npm:0.19.12"
@@ -1539,6 +1584,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@sindresorhus/is@npm:^4.6.0":
+  version: 4.6.0
+  resolution: "@sindresorhus/is@npm:4.6.0"
+  checksum: 10c0/33b6fb1d0834ec8dd7689ddc0e2781c2bfd8b9c4e4bacbcb14111e0ae00621f2c264b8a7d36541799d74888b5dccdf422a891a5cb5a709ace26325eedc81e22e
+  languageName: node
+  linkType: hard
+
 "@swc/helpers@npm:0.5.2":
   version: 0.5.2
   resolution: "@swc/helpers@npm:0.5.2"
@@ -2190,6 +2242,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"ansi-escapes@npm:^6.2.0":
+  version: 6.2.1
+  resolution: "ansi-escapes@npm:6.2.1"
+  checksum: 10c0/a2c6f58b044be5f69662ee17073229b492daa2425a7fd99a665db6c22eab6e4ab42752807def7281c1c7acfed48f87f2362dda892f08c2c437f1b39c6b033103
+  languageName: node
+  linkType: hard
+
 "ansi-regex@npm:^5.0.1":
   version: 5.0.1
   resolution: "ansi-regex@npm:5.0.1"
@@ -2243,6 +2302,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"ansicolors@npm:~0.3.2":
+  version: 0.3.2
+  resolution: "ansicolors@npm:0.3.2"
+  checksum: 10c0/e202182895e959c5357db6c60791b2abaade99fcc02221da11a581b26a7f83dc084392bc74e4d3875c22f37b3c9ef48842e896e3bfed394ec278194b8003e0ac
+  languageName: node
+  linkType: hard
+
 "any-promise@npm:^1.0.0":
   version: 1.3.0
   resolution: "any-promise@npm:1.3.0"
@@ -2690,6 +2756,18 @@ __metadata:
   languageName: node
   linkType: hard
 
+"cardinal@npm:^2.1.1":
+  version: 2.1.1
+  resolution: "cardinal@npm:2.1.1"
+  dependencies:
+    ansicolors: "npm:~0.3.2"
+    redeyed: "npm:~2.1.0"
+  bin:
+    cdl: ./bin/cdl.js
+  checksum: 10c0/0051d0e64c0e1dff480c1aace4c018c48ecca44030533257af3f023107ccdeb061925603af6d73710f0345b0ae0eb57e5241d181d9b5fdb595d45c5418161675
+  languageName: node
+  linkType: hard
+
 "ccount@npm:^2.0.0":
   version: 2.0.1
   resolution: "ccount@npm:2.0.1"
@@ -2744,13 +2822,20 @@ __metadata:
   languageName: node
   linkType: hard
 
-"chalk@npm:^5.2.0":
+"chalk@npm:^5.2.0, chalk@npm:^5.3.0":
   version: 5.3.0
   resolution: "chalk@npm:5.3.0"
   checksum: 10c0/8297d436b2c0f95801103ff2ef67268d362021b8210daf8ddbe349695333eb3610a71122172ff3b0272f1ef2cf7cc2c41fdaa4715f52e49ffe04c56340feed09
   languageName: node
   linkType: hard
 
+"char-regex@npm:^1.0.2":
+  version: 1.0.2
+  resolution: "char-regex@npm:1.0.2"
+  checksum: 10c0/57a09a86371331e0be35d9083ba429e86c4f4648ecbe27455dbfb343037c16ee6fdc7f6b61f433a57cc5ded5561d71c56a150e018f40c2ffb7bc93a26dae341e
+  languageName: node
+  linkType: hard
+
 "character-entities-html4@npm:^2.0.0":
   version: 2.1.0
   resolution: "character-entities-html4@npm:2.1.0"
@@ -2835,6 +2920,19 @@ __metadata:
   languageName: node
   linkType: hard
 
+"cli-table3@npm:^0.6.3":
+  version: 0.6.5
+  resolution: "cli-table3@npm:0.6.5"
+  dependencies:
+    "@colors/colors": "npm:1.5.0"
+    string-width: "npm:^4.2.0"
+  dependenciesMeta:
+    "@colors/colors":
+      optional: true
+  checksum: 10c0/d7cc9ed12212ae68241cc7a3133c52b844113b17856e11f4f81308acc3febcea7cc9fd298e70933e294dd642866b29fd5d113c2c098948701d0c35f09455de78
+  languageName: node
+  linkType: hard
+
 "client-only@npm:0.0.1, client-only@npm:^0.0.1":
   version: 0.0.1
   resolution: "client-only@npm:0.0.1"
@@ -2945,6 +3043,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"commander@npm:^10.0.1":
+  version: 10.0.1
+  resolution: "commander@npm:10.0.1"
+  checksum: 10c0/53f33d8927758a911094adadda4b2cbac111a5b377d8706700587650fd8f45b0bbe336de4b5c3fe47fd61f420a3d9bd452b6e0e6e5600a7e74d7bf0174f6efe3
+  languageName: node
+  linkType: hard
+
 "commander@npm:^4.0.0":
   version: 4.1.1
   resolution: "commander@npm:4.1.1"
@@ -3762,6 +3867,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"emojilib@npm:^2.4.0":
+  version: 2.4.0
+  resolution: "emojilib@npm:2.4.0"
+  checksum: 10c0/6e66ba8921175842193f974e18af448bb6adb0cf7aeea75e08b9d4ea8e9baba0e4a5347b46ed901491dcaba277485891c33a8d70b0560ca5cc9672a94c21ab8f
+  languageName: node
+  linkType: hard
+
 "encoding@npm:^0.1.13":
   version: 0.1.13
   resolution: "encoding@npm:0.1.13"
@@ -3895,6 +4007,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "es-hangul@workspace:."
   dependencies:
+    "@arethetypeswrong/cli": "npm:^0.15.3"
     "@changesets/changelog-github": "npm:^0.5.0"
     "@changesets/cli": "npm:^2.27.1"
     "@netlify/plugin-nextjs": "npm:^5.0.0"
@@ -4499,7 +4612,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"esprima@npm:^4.0.0":
+"esprima@npm:^4.0.0, esprima@npm:~4.0.0":
   version: 4.0.1
   resolution: "esprima@npm:4.0.1"
   bin:
@@ -4747,7 +4860,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"fflate@npm:^0.8.1":
+"fflate@npm:^0.8.1, fflate@npm:^0.8.2":
   version: 0.8.2
   resolution: "fflate@npm:0.8.2"
   checksum: 10c0/03448d630c0a583abea594835a9fdb2aaf7d67787055a761515bf4ed862913cfd693b4c4ffd5c3f3b355a70cf1e19033e9ae5aedcca103188aaff91b8bd6e293
@@ -6678,6 +6791,31 @@ __metadata:
   languageName: node
   linkType: hard
 
+"marked-terminal@npm:^6.0.0":
+  version: 6.2.0
+  resolution: "marked-terminal@npm:6.2.0"
+  dependencies:
+    ansi-escapes: "npm:^6.2.0"
+    cardinal: "npm:^2.1.1"
+    chalk: "npm:^5.3.0"
+    cli-table3: "npm:^0.6.3"
+    node-emoji: "npm:^2.1.3"
+    supports-hyperlinks: "npm:^3.0.0"
+  peerDependencies:
+    marked: ">=1 <12"
+  checksum: 10c0/72d4093cbb1ee864ced1f88fdb6fb8dbfea56d6aa3d8a1ec401ac51866ff3c32382c3f4642b19f2d808c798efde23b10300b99e3b6475b3f79e41e7741581d54
+  languageName: node
+  linkType: hard
+
+"marked@npm:^9.1.2":
+  version: 9.1.6
+  resolution: "marked@npm:9.1.6"
+  bin:
+    marked: bin/marked.js
+  checksum: 10c0/010bbd33c0f38300259c5d3bf0063deb36bab098d37ac0a3be5a35a65674a4c693427fc6704f486a89f638e9b36c36b8e220a93d47163f4e70e45a1fa8ca7b60
+  languageName: node
+  linkType: hard
+
 "match-sorter@npm:^6.3.1":
   version: 6.3.4
   resolution: "match-sorter@npm:6.3.4"
@@ -7916,6 +8054,18 @@ __metadata:
   languageName: node
   linkType: hard
 
+"node-emoji@npm:^2.1.3":
+  version: 2.1.3
+  resolution: "node-emoji@npm:2.1.3"
+  dependencies:
+    "@sindresorhus/is": "npm:^4.6.0"
+    char-regex: "npm:^1.0.2"
+    emojilib: "npm:^2.4.0"
+    skin-tone: "npm:^2.0.0"
+  checksum: 10c0/e688333373563aa8308df16111eee2b5837b53a51fb63bf8b7fbea2896327c5d24c9984eb0c8ca6ac155d4d9c194dcf1840d271033c1b588c7c45a3b65339ef7
+  languageName: node
+  linkType: hard
+
 "node-fetch@npm:^2.5.0":
   version: 2.7.0
   resolution: "node-fetch@npm:2.7.0"
@@ -8897,6 +9047,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"redeyed@npm:~2.1.0":
+  version: 2.1.1
+  resolution: "redeyed@npm:2.1.1"
+  dependencies:
+    esprima: "npm:~4.0.0"
+  checksum: 10c0/350f5e39aebab3886713a170235c38155ee64a74f0f7e629ecc0144ba33905efea30c2c3befe1fcbf0b0366e344e7bfa34e6b2502b423c9a467d32f1306ef166
+  languageName: node
+  linkType: hard
+
 "reflect.getprototypeof@npm:^1.0.4":
   version: 1.0.6
   resolution: "reflect.getprototypeof@npm:1.0.6"
@@ -9472,6 +9631,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"skin-tone@npm:^2.0.0":
+  version: 2.0.0
+  resolution: "skin-tone@npm:2.0.0"
+  dependencies:
+    unicode-emoji-modifier-base: "npm:^1.0.0"
+  checksum: 10c0/82d4c2527864f9cbd6cb7f3c4abb31e2224752234d5013b881d3e34e9ab543545b05206df5a17d14b515459fcb265ce409f9cfe443903176b0360cd20e4e4ba5
+  languageName: node
+  linkType: hard
+
 "slash@npm:^3.0.0":
   version: 3.0.0
   resolution: "slash@npm:3.0.0"
@@ -9902,7 +10070,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"supports-color@npm:^7.1.0":
+"supports-color@npm:^7.0.0, supports-color@npm:^7.1.0":
   version: 7.2.0
   resolution: "supports-color@npm:7.2.0"
   dependencies:
@@ -9911,6 +10079,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"supports-hyperlinks@npm:^3.0.0":
+  version: 3.0.0
+  resolution: "supports-hyperlinks@npm:3.0.0"
+  dependencies:
+    has-flag: "npm:^4.0.0"
+    supports-color: "npm:^7.0.0"
+  checksum: 10c0/36aaa55e67645dded8e0f846fd81d7dd05ce82ea81e62347f58d86213577eb627b2b45298656ce7a70e7155e39f071d0d3f83be91e112aed801ebaa8db1ef1d0
+  languageName: node
+  linkType: hard
+
 "supports-preserve-symlinks-flag@npm:^1.0.0":
   version: 1.0.0
   resolution: "supports-preserve-symlinks-flag@npm:1.0.0"
@@ -10164,6 +10342,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"ts-expose-internals-conditionally@npm:1.0.0-empty.0":
+  version: 1.0.0-empty.0
+  resolution: "ts-expose-internals-conditionally@npm:1.0.0-empty.0"
+  checksum: 10c0/47c68497ec75b75a903db518b146d3599b71f62382368af4dd70c1fc2de777791620beac4afb4a2eaf7cf08efa68d7389bc5ea007c3c2d07cae2f3d482111db8
+  languageName: node
+  linkType: hard
+
 "ts-interface-checker@npm:^0.1.9":
   version: 0.1.13
   resolution: "ts-interface-checker@npm:0.1.13"
@@ -10381,6 +10566,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"typescript@npm:5.3.3":
+  version: 5.3.3
+  resolution: "typescript@npm:5.3.3"
+  bin:
+    tsc: bin/tsc
+    tsserver: bin/tsserver
+  checksum: 10c0/e33cef99d82573624fc0f854a2980322714986bc35b9cb4d1ce736ed182aeab78e2cb32b385efa493b2a976ef52c53e20d6c6918312353a91850e2b76f1ea44f
+  languageName: node
+  linkType: hard
+
 "typescript@npm:^5":
   version: 5.4.4
   resolution: "typescript@npm:5.4.4"
@@ -10401,6 +10596,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"typescript@patch:typescript@npm%3A5.3.3#optional!builtin<compat/typescript>":
+  version: 5.3.3
+  resolution: "typescript@patch:typescript@npm%3A5.3.3#optional!builtin<compat/typescript>::version=5.3.3&hash=e012d7"
+  bin:
+    tsc: bin/tsc
+    tsserver: bin/tsserver
+  checksum: 10c0/1d0a5f4ce496c42caa9a30e659c467c5686eae15d54b027ee7866744952547f1be1262f2d40de911618c242b510029d51d43ff605dba8fb740ec85ca2d3f9500
+  languageName: node
+  linkType: hard
+
 "typescript@patch:typescript@npm%3A^5#optional!builtin<compat/typescript>":
   version: 5.4.4
   resolution: "typescript@patch:typescript@npm%3A5.4.4#optional!builtin<compat/typescript>::version=5.4.4&hash=5adc0c"
@@ -10447,6 +10652,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"unicode-emoji-modifier-base@npm:^1.0.0":
+  version: 1.0.0
+  resolution: "unicode-emoji-modifier-base@npm:1.0.0"
+  checksum: 10c0/b37623fcf0162186debd20f116483e035a2d5b905b932a2c472459d9143d446ebcbefb2a494e2fe4fa7434355396e2a95ec3fc1f0c29a3bc8f2c827220e79c66
+  languageName: node
+  linkType: hard
+
 "unified@npm:^10.0.0":
   version: 10.1.2
   resolution: "unified@npm:10.1.2"
@@ -10738,6 +10950,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"validate-npm-package-name@npm:^5.0.0":
+  version: 5.0.1
+  resolution: "validate-npm-package-name@npm:5.0.1"
+  checksum: 10c0/903e738f7387404bb72f7ac34e45d7010c877abd2803dc2d614612527927a40a6d024420033132e667b1bade94544b8a1f65c9431a4eb30d0ce0d80093cd1f74
+  languageName: node
+  linkType: hard
+
 "vfile-location@npm:^5.0.0":
   version: 5.0.2
   resolution: "vfile-location@npm:5.0.2"