Yoon Gu

Yoon Gu also known as the "Potato" is the youngest member of team black. He calls everybody Hyung being the youngest. And he's one of the newbies of team black. Despite his initial impression, Yoon Gu is good friends with Kim Dan. His dream is to spar with Jaekyun because he is in love with him, though it's one-sided he is affectionate towards him not caring about his toxic personality. As the youngest Yoon Gu is responsible for being up early to clean the gym. He is the most inexperienced on team black.