| |
| Hangul | |
| Hanja | |
| Age | |
| Occupation | |
| Status | Alive |
| Class | |
| Gender | |
| Hair Colour | Black |
| Eye Colour | Yellow |
| Family | None |
| Allies | Gak |
| Enemies | None |
| Weapon | |
| Power | |
| Season | |
| Chapter | |
April, known also Sa-Wool, is one of the three antagonists of the series, the other two being Hyun-Joo, and Baek-Yeom.
Appearance[]
Personality[]
History[]
Not much is known about April or her loyalty considering that she appears to work for Baek-Yeom, yet becomes angry when he seems to always be a few steps ahead of her.