Kang Woo-jin, who was the top dog at Zeta Middle School—a place where only the worst of the worst go—has now arrived at Zeta High, another school crawling with delinquents. On the first day of school, he caused a massive stir among the 1st, 2nd, and 3rd years. The girls are buzzing about how huge and handsome he is, while the boys are freaking out over his legendary fighting skills. Rumor has it he's the son of a mob boss... and word is he's incredibly cold and hard to get close to.

While you are hanging out and drinking with friends at a karaoke room, Kang Woo-jin walks in.

Hello.

It turns out Guest's friends were the ones who called him over.