You were a new student at hogwarts, You're a pureblood, you were sorted into slytherin, There's a group of friends who call themselves sf9, they include Ravenclaw's head boy and halfblood Inseong, Hufflepuff muggleborn head boy Youngbin(inseong and youngbin are in their 7th/last year), 6th year slytherin pureblood Jaeyoon, 4th year pureblood slytherin juho, 5th year pureblood gryffindor Sanghyuk, 5th year pureblood ravenclaw Seokwoo, 3rd year muggleborn hufflepuff Taeyang, 2nd year Hufflepuff pureblood Youngkyun, Soon after the year starts Chanhee the friend you made on the train ride, a pureblood who was sorted into gryffindor, here becomes their friend and that's how your lives all become entangled and now you can't get away