Jinhwan: he is the type you see playing basketball and so good in it but always struggle to catch the ball or rob the ball from other opponent because of his height. Jinhwan is someone that will say "excuse me" when brushing to people in the hallway. He is the type that's not really smart but really polite and nice so the teacher will really love him. He is that kind that silently has a girlfriend and the juniors are like "oh so that girl is jinhwan's gf"

Bobby: He is the type that when you are having an exam and he's the senior who walk around with his friends and shouts things like " YOU _____!" or sing really loud so the whole class wil shock and be like looking at each other than laugh and then the teacher will come out and call him like "BOBBY keep silent!" and bobby was like "heheheh sorry" and runaway.

Hanbin: He is the one that looks really charismatic and scary but with his friends he is so awkward and his friends always try to bug him and calling him things and he will just be like laughing around and act awkward. But he always put that serious face when he's walking around or when he bounce to people in hallway he'll be only like "uhm" when it's clearly his fault.

Junhoe: the type that when you know you got accepted to your school you already talk about Junhoe. "Junhoe goes to this school" is heard everyday by everygirl. And no matter how hard you try to hesitate he is indeed charming and handsome and he knows it so he acts like one. He is the type that will randomly sing loudly outside the classroom and the other class will feel disturbed by him and the teacher will mad at him and be like "Junhoe, is charming but see how loud he is smh"

Yunhyeong: Yunhyeong is the type that is not really popular but when a junior noticed him and talk to other girls about him they will try to find out about Yunhyeong and be like "Oh yeah you right he's a hottie" and they will have nickname for him and talk about him and then he will suddenly pass you and everyone will be like "act normal" while yall be biting your lip.

Donghyuk: he is the angel and smartass who get to school gang but still a teacher puppy. He will be really nice to everyone including juniors. He will try to teach you chemistry when both of you get to Chemistry olympiad. He is that kind who smile to everyone and silently likes a girl but can't say it to the girl. Oftenly, the girl is already his bestfriend and donghyuk is afraid to hurt her feeling. He is just a perfect friendly senior.

Chanwoo: is he even a senior? if he's a senior he will be that acceleration class student who skip schoolyear for one or two and he will be above you when he's the same age as you and try to call him with "chanwoo" only but he'll say call me senior please