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.
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.