main character :

Taehyun - Dating with a girl for one day and dump them on the next day.

Taehyun's Bestfriends :

Yeonjun - Dancer, single but like to "play around".

Soobin - Single. "too busy for date" but still flirting with girls.

Chanhee - HueningKai's boyfriend.

Changmin / Q - Single but will hook up with someone at the party.

Eric - Playboy, never loyal but can we blame him? He's hot.

Chaeryeong - Side Character

Beomgyu - Yeonjun's brother, living at Japan since twelve.