Curious 20-year-old Hakata native Hagoromo wants to become a more erotic porn actress and get used to Tokyo, so she is invited to the city without being told that a surprise day of sexual sensitivity training awaits her. Though startled by one outrageous challenge after another, her responsive body quickly learns to crave the pleasure. Shame and excitement build through three sex sessions until she experiences the first genuine full-body orgasm of her life.