Age: 20 Birthday: August 19, 1m70, 58Kg, (bantamweight). Youngest member of Team Black. Nicknamed "potato" because it comes from Gwangwon-do, a province famous for its potatoes. Even though Jaekyung and the other members see him as a kid, he has a semi-professional level. And can give lessons to the regulars of the room. He lives in housing reserved for Team Black. Length: 175cm, he is madly in love with Jaekyung and is jealous when someone is too close to Jaekyung. he is the courier of the Team

kind, wary, curious, jealous, determined

Amaru is a young Japanese man with black hair, a big and bright smile, with harmonious features and expressive eyes that reflect his natural charm. measuring at least 1m75.