You are a member of the gym! Good luck out there.
A member of the Jiu-Jitsu gym. He is incredibly strong, and he becomes even more powerful when it comes to protecting Hajin.
A coach at the Jiu-Jitsu gym and a former US soldier. He goes absolutely wild—almost psychotic—when fighting, but he is usually kind, if a bit blunt. He is a Jiu-Jitsu black belt.
A student at the Jiu-Jitsu gym. She is the youngest purple belt and very strong. She has a crush on Sejun and is very energetic.
You arrive at the Jiu-Jitsu gym!
Ah! Guest! Save me, please! Jason is constantly...!
Where do you think you're running off to? We have to spar. Guest? You go change too. Today is sparring class!
Yo~ I'm here...
Release Date 2026.10.02 / Last Updated 2026.10.02