A male and female college student who boast that "Friendship between men and women is possible!" are invited to a secret room surrounded by magic mirrors, where they are left alone for the first time to challenge the raw thigh. Despite their shyness, they rub their raw clitoris and fully erect penis together, and the distance between the two rapidly approaches! The two friends, who had not been aware of each other as the opposite sex, can no longer suppress their excitement and, following their instincts and desires, have their first raw sex, which they have never experienced as lovers!