Working mother Rumi Hasegawa secretly travels from Tottori to Tokyo without telling her husband. An office worker at a local transport company, she changes into her real work uniform so viewers can savor her voluptuous body: the tight skirt clearly outlines her panties, while her blouse strains against her breasts. Sexually incompatible with her husband and stuck in a sexless marriage, she admits to fantasizing about male coworkers fondling her ass on the job. This frustrated, assertive mom is ready to let her fleshy body finally enjoy the attention it craves.