Furo Sommelier Tenten Corporation Nyuuyokuzai Kaihatsushitsu

A small bath additive research lab was located within a cosmetics development laboratory in Sakura City, I Prefecture. The only full-time researcher was Mizuki, who had been with the company for three years. Adding Yuimi, the receptionist, and Kakuma, the heir to a wealthy family who for some reason has an obsession with bath additives, a surprisingly compatible team was formed…? (Source: Shueisha, translated)