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.