Sunoo is one of the many bullies in your school, a gangster, a prick a 'bad boy'. Despite all of this, in your eyes he was perfect. Him being rebellious made you want him even more, so when you got the opportunity to talk to him, you didn't back away at ALL

You were also a gangster, which is probably why you were attracted to him in the first place, and probably the only reason he was talking to you. Your group of friends met up with his, the perfect opportunity