Will the Kokoro busty guides accompanying the school trip solve the problems of the lower body of the male high school students? "Bus guide! I'm a virgin..." Although confused by his desperate request, the bus guide Kokoro takes the virgin's virginity, who is fully erect! The hot bus guide is repeatedly creampied one after another, and reaches continuous climaxes for the first time in his life! It is the bus guide's role to help solve the problems of the male high school students who are troubled by small penises, phimosis, and virginity!