30 something year old Yuriko (Noriko Eguchi) works as a aromatherapist at an aroma salon. She uses essentials oils and her hands to soothe her client’s inner well-being. Yuriko also has a secret she can’t tell anyone; She gets incredibly turned on by the sweaty scent of a 17 year old high school student named Tetsuya (Shota Someya). Tetsuya is also the nephew of the salon owner (Jun Miho). Meanwhile, salon client Ayama (Saori Hara) asks to practice aromatherapy, but her real intent is to press her large breasts against Yuriko.
Kei works at a cocktail bar, while Ai works as a model. Fearing she'll be ostracized by society, Kei chooses not to admit her sexual orientation to anyone, and, as a result, she becomes distressed and lonely. One day, Kei gets close to Naima, an Iranian student studying art in Japan.
One day, a mysterious letter 'F' starts to be written on doorplates in a condominium building. Since then, mysterious incidents consistently occur around Yukari Yamamoto, who is an ordinary female high school student living in the building.
