Ayu, the tutor, is a bit of a gal, but she's also kind and super beautiful! However, because she always wears loose clothes around her chest, her nipples are visible through her floating bra. Shinichi, a student, can't stand it anymore...!? Ayu Sakurai, a beautiful, small-breasted actress, becomes a floating bra tutor and unknowingly seduces her students! This is a work for you who have a floating bra fetish!