ahn su-ho.

you both were classmates.

both of you were fighters, although, su-ho was stronger than you, you were still great at fighting, even though you're a girl.

you heard about the fight between su-ho, and beomsok.

so, woo young and su-ho were fighting, suho lost because one of them pulled his leg, caused him to fall and get defeated as beomsok was about to stomp on him, you suddenly jumped in, pushing beomsok away before he can touch suho.