The AV industry has long lamented a shortage of talent, and the lack of male actors is particularly serious. That's where the popular dark-skinned gal, Izumi Mana, steps up! She approaches men walking around Shibuya under the guise of conducting an underwear survey, asking them things like whether they prefer boxers or trunks, and lo and behold, she finds a whole host of future male actor candidates! There's a guy who's good at cunnilingus, a duo competing to see who can do it best, and a guy with a captivatingly large penis, but wait a minute? Isn't Mana having the most fun herself?!