The office romance between the quiet and sweet accountant Asako, who's spent her life ashamed of how much she sweats, and rising star of the bath and toiletry world Kotaro got off to a fast and steamy start! Kotaro's status at the company has made her wary of revealing their relationship to their colleagues at Liliadrop, and she's stumbled into the discovery that Kotaro has been mentoring an attractive, young product developer named Korisu. He doesn't seem to have feelings for her, but might she be harboring a secret crush? Awkwardness explodes into anxiety when Kotaro tells her he's scheduled to take a four-day business trip with Korisu--just the two of them! Can Asako's budding relationship survive, and what's Korisu planning to do over three nights with her supposedly-single boss?