Features 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.
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Available for Android 8.0 and above