UMSO-020 Sunohara Miki, Aoi Ichigo, Adachi Mei, Mangetsu Hikari, Hinata Amiru, Ohara Tomomi, Amane Yayoi, Hoshisaki Seira, Hoshina Ai, Ichinose Momo, Akabuchi Ren 50 名纯洁、漂亮的 18 岁美丽女孩以笨拙的女牛仔姿势表演。