귀멸의칼날 전집중호흡 - 호흡법 테스트

*Ghost Blade Unofficial fan-made app

*We will find the [breathing method] that suits you best through a simple test.

Full concentration breathing ver2.0.2

✔ More resulting breathing techniques have been added. Discover a new way to breathe!

✔ All 10 questions have been changed to appear in one test to produce various results.

✔ Fixed an error in which the app does not run on Android 12 or later devices.