Manga by author Hyuk - Status ongoing

A new employee, Ah-young, has been secretly in love with her boss, Cheon Seung-hee. Then one day, while secretly masturbating on Seunghee's desk, Ayoung discovers her secret diary and discovers the shocking truth..."What? My love, manager Cheon Seung-hee, actually scolds people with s*x every night?!"