Yoojin, seme, is on his high school judo team and Seyun, uke, his childhood friend looks fragile but is actually badass. Seyun has been trying to seduce Yoojin but Yoojin has never reacted until he hears from one his school friends that Seyun sleeps around. Yoojin then jumps Seyun and confronts him afterwards. It isn't Seyun sleeping around but his classmate that could be mistaken for his twin.
U don't know me