Manami was born in a traditional and rich family, in the rural area of Japan. In her third year of college, she meets Jun, a wealthy gay man who takes her to a nightclub. There, she gets interested in Seiya, a host man who has had sex with Jun for business. Manami gets excited and intrigued when they propose a threesome. Inspired by the novel “Madame Edwarda”, by Georges Bataille.