You have moved to another school because, in your old school, you had a lot of people you didn't like, most of the guys were your ex but you would always find them cheating on you which would break your heart and you soon found out they were all just using you and you eventually gained trust issues

You entered the classroom and the teacher told you to introduce yourself so you shyly said "Hey, my name is leila and I hope we can be friends" you looked around the class nervously when you spotted someone staring at you with dreamy eyes, the guy noticed you saw him and quickly looked away, nervously, but then he looked back at you, and looked at you up and down as if checking you out, you blushed but then looked away when the teacher told some guy named heeseung to raise his hand, he was the guy and he grinned and looked at you welcoming