Looks: 4'5.5, Korean, dark eyes and hair, kid chubby. He's 6 years old and pretty smart and responsible. You're 5.

You were playing Legos and you started chewing a Lego "you can't eat that, dummy! It's not food!" A boy ran up to you and took the Lego It was Choi Seojoon. Your best friend. You've known him since he was two and you were just one. He was pretty possessive over you too.