Characters :

- Choi Hyesoo (in the drama her name is Song Najeong)

A computer engineering student. The only daughter of Shincheon Boarding House. Very noisy, curse a lot, her attitude is really un-ladylike, she may looks so strong and scary sometimes but inside she's really soft.

- Kim Jongin as Seregi

Hometown : Masan. 3rd year student of Medical Major. He's of the guy who's staying in Shincheon Boarding House. Mr and Mrs Choi really considerate him like their own son. He's very forgotful, dirty, but a genius who's always get the top in his class. Seregi and Hyesoo often fight but can be really sweet at times because they grow up to each other. He consider Hyesoo like his own little sister.

- Oh Sehun as Chilbong Hometown : Seoul.

The best young baseball player in that era. The cousin of Binggeurae. He's a hardworking athlete, very sweet, gentle, and kind. He's always amaze with other kids whom are from countryside. his parents divorce so he often stays at Shincheon Boarding House aside of his dorm even tho he's not actually staying there.

- Park Chanyeol as Heitai Hometown : Sooncheon.

A computer engineering student. He's a womanizer, he loves to go to club and blind dates. He flirts a lot in any possible time and place. But deep down he's a very caring person and loyal. Once he's in love with one girl he'll go all out. He'll do all his best for her.

- Byun Baekhyun as Samcheonpo

Hometown : Samcheonpo. A computer Engineering student. He's really stiff and clean freak. Neat styled hair and well ironed clothes is his daily appearance. He takes shower every morning and use special herbal soap. He might be annoying at times but he's actually a really nice one. He just has his own way to express his feelings.

- Do Kyungsoo as Binggeurae

Hometown : Chungcheong.

A medical student who doesn't like the major he's in now. He loves to eat and a very timid person. He's kinda quiet but thoughtful at times. He's very polite and obedient.

- Jung Hyerin (in drama her nam is Jo Yoojin)

Hometown : Yeosoo. A computer engineering student. A big fan of seotaeji and really quiet one. She curse really well even more than guys and can be scarier than Hyesoo. But deep inside she's a very shy and loving girl, she just need time to open up with people around her.

- Kim Junmyeon / Suho (in drama his name is Kim Gitae)

Hometown : Seoul. A computer engineering student. He's the heartthrob of the campus. He often sets his friends on blind dates. He can get any girl easily. He loves to go to club. He works part time job in the same chicken shop with Hyesoo.

The rest of EXO, BTS, INFINITE, BAP and other will be revealed in the story.