Pontifex Lembrary fights against a devil, he gets transferred to a different world possessing the body of Woo Yeon-woo who is a member of an unpopular idol group called Wild Animal. In an entertainment business where overwhelming social skills, trendiness, and talents are highly necessary, it is hard for solemn, holy Lembrary to adapt. Due to his inappropriate says and dos as a celebrity, Lembrary is talked about from the public and receives attention that he did not expect. Using his goodness and love, Lembrary heals this twisted and barren world people live in while going this way and that way to settle himself as an idol.

In disguise as her friend, Ha-ri shows up to a blind date to scare him away. But plans go awry when he turns out to be her CEO — and makes a proposal.

Min Jae-Hee is a middle aged woman. She is a housewife who has devoted her life to her family, but her family gets destroyed. Min Jae-Hee is furious at the world. Through a mysterious perfume, Min Jae-Hee's appearance suddenly changes to a beautiful young woman. She becomes a model with her new youthful appearance. Min Jae-Hee meets Seo Yi-Do (Shin Sung-Rok). He is a successful fashion designer, but a mean spirited person.

The romance between top star Hoo Joon and his anti-fan reporter Lee Geun-young who end up living together.

Gil Oh-so, an employee at a cleaning company, meets Jang Seon-gyul, the boss of the company. The two are diametric opposite when it comes to cleanliness. With the help of Oh-sol, Seon-gyul faces his mysophobia and falls in love with her.