Anna Tomo

Irina, the third daughter of the three Nemoto sisters, is a plain, college science student who wears a white coat and glasses at school. It seems that things are going well with her boyfriend Soga. One day, while Irina is studying ancient Japanese history, she discovers a system in which women share a man sexually.

Ranko takes photos of "Human Body Flower Arrangements" with the theme of "The Female Body and Ikebana'." She herself becomes the subject of photos, playing with flowers, and never missing a risqué pose. But lately, she has also felt stuck in her work. When Ranko's husband, who has a butt fetish, informs her of "Love & Peace," a site that sells vibrators to women, she is shocked by the colorful variety of goods.

Kimizuka is rescued by Saya in the form of a sister when she collapses in the park, but she has no belongings and no memory of herself. Saya is expelled from the monastery for writing a pornographic novel, and takes Kimizuka to the hotel where she is staying, and asks her various questions to use her as a model for the novel. In Kimizuka's mind, the image of women crying and crying after being forced to have sex comes to mind.

Taneda, the president of a mid-sized publishing company, cannot suppress the lewd delusions that arise every time he sees his secretary, Natsume. Natsume is the fiancée of Taneda's son, Mamoru, and his wife, Shuko, loves Natsume as if she were her own daughter.