Five university students, Yoon Jin-Myung, Jung Ye-Eun, Song Ji-Won, Kang Yi-Na, and Yoo Eun-Jae, live together in a shared house. Jin-Myung juggles her studies with work to support herself, often at the expense of sleep. Ye-Eun is deeply committed to her boyfriend and has strong opinions about her preferences. Ji-Won is known for her cheerful demeanor and fondness for drinking. Yi-Na stands out for her striking looks, which make her quite popular. Meanwhile, Eun-Jae is shy but has a distinctive taste in men.