Gil Oh-sol, 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.
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Yoon Kyun-sang
Jang Sun-gyeol
Kim You-jung
Gil Oh-sol
Song Jae-im
Choi Ha-in / Choi Daniel
Joo Jong-hyuk
Jong-hyuk
Yu Seon
Secretary Gwon
Ahn Suk-hwan
CEO Cha
Kim Won-hae
Gil Gong-tae
Min Do-hee
Min Joo-yeon
Yang Hak-jin
Lee Dong-hyun
Ko Gun-han
Jeon Young-sik