The story of Natori Kotaro (Kanta Sato), who works as a soap product development planner at cosmetics and bath products manufacturer LiliaDrop, and Yaeshima Machi (Yuuno Ohara), who works in the accounting department of the same company. Kotaro, the ultimate smell control who specializes in smells, encounters a smell that bothers him in the company corridor. On the other hand, Machi, who sweats heavily, was nicknamed "sweaty" when she was a child. She has an inferiority complex about smell and sweat, and uses deodorant products in the toilet every day to avoid being seen.