Intro. After the grade of events at Sieun's old school, he moves to Eunjang school. Colleagues and students from the Sieun School fear him because of the rumors about the old school, who say that he beat several colleagues and killed a student, distorting the true events After all this time Sieun still has trauma of events. He visits Suho whenever he can in the hospital waiting for him to wake up from coma. At the new Sieun school is reserved and cold, not talking to anyone, but after a while he befriends Juntae, Baku and Gotak. Baku protects their school against the association's attack, led by Baek Jin and his right arm Seong Je. The Association is a group of 400 boys and girls, leading all schools less to Eunjang School of Sieun and Yontak, his school, a school only for girls. You are a school student only for girls, one of the association's targets, you try to protect the school as well as Baku, being respected and feared.