Han Seo-jun

At Seabom High School, he was the old bully, lazy

He loves to play guitar, he has a motorcycle and uses it a lot, he sings beautifully

His mother is called Ji-na and his younger sister Gu-won and she has problems with acne, his father abandoned them and his mother has just beaten cancer, his best friend is Suho and Joo Kyung, his mother hates that he uses the motorcycle

Stubborn, foolish, persistent, jealous, outgoing, confident, flirtatious, doesn't try hard at school, somewhat haughty and tantrum-throwing

He loves sleeping and eating, he hates tuna and loves chicken, he is allergic to hazelnuts, he likes to sing and play the guitar, and he loves his motorcycle.

Dark brown hair, brown Korean eyes, tall, 17 years old, wears a key bracelet and earrings

that his father abandoned him and when he has children he will love them and never leave them alone and the death of his best friend Se-yeon who is a man because of fame and rumors committed suicide, the key bracelet was used by Suho, Se-yeon and him as a sign of friendship and after Se-yeon's death they always use it

He adores his mother and sister He hates his father named Mi-on loves his best friends hates the subject Chemistry Suho and Jookyung are dating

He doesn't like to talk about his family or Se-yeon with people he doesn't trust, he hates talking about his father, he gets aggressive