Even though he has just learned about sex... ``It's too erotic.'' Rintaro Kuramochi, a college student, was born as the son of an innkeeper and grew up as a good listener. Rintaro is such a boxed-up son that he can't refuse when asked, and often takes part-time jobs for his friends on his behalf. One day, Rintaro gets a part-time job at a cross-dressing concept cafe for a day, gets tangled up with a drunk while trying to attract customers, and is rescued by men who appear to be yakuza. However, if you look closely, the person in the center is Shirasawa Senpai, a popular student who is always surrounded by girls on campus――