Choko Kuze is the sensible daughter of a venerable family who went bankrupt. She joins a real estate company as an entry-level office worker, but her eccentric boss is harder on her than anyone else in the company! After hearing him inadvertently call her milady, she realizes he was the young servant boy she knew as a child. At work he's a tyrant, but after hours he insists on treating her like a lady of the nobility. Is romance even possible for a couple locked in such a crazy role reversal?

Choko Kuze is in a relationship with Masayuki Domoto, her current boss and former servant. Now that Masayuki's ex-girlfriend Kaori has returned, Choko worries that the villainess has too many "hit points" and "magic points" for her to defeat. Choko follows Masayuki and Kaori to a hotel room and barges in unannounced, yet finds herself unprepared for the shocking scene in front of her...