MIAB-597 The four of them graduated all the boys in the school. Miyu Aizawa, Karin Kitaoka, Hana Honjo, and Tennen Mizuki - Natural Mizuki

Apparently, there are two groups of girls searching for virgin boys all over the school...! The cheerful gals, Mizuki and Karin, go around asking any guy they can find, "Are you a virgin?" and if they find out he's a virgin, they immediately engage in a power play to hunt for virgins. Meanwhile, Miyu, the school's Madonna who appears serious on the surface, is researching virgin boys with the help of data from the well-informed Hana. A surefire way to get a virgin...