They love virgins! Erika Kitagawa, Natsume Inagawa, and Ryo Yazawa become bus tour guides, sneaking onto a bus belonging to a simple, rural boys' school visiting Tokyo for a field trip! They revel in the delicious taste of virgins!!

Three actresses known for their fondness for virgins—Erika Kitagawa, Natsume Inagawa, and Ryo Yazawa—disguise themselves as bus tour guides and sneak onto a boys' school's off-campus school bus. There, they engage in a variety of incredibly lewd and obscene services, indulging in the pleasure of tasting the penises of virgins!