Kanjiru Houkago

A 16-year-old girl named Nanae discovers that her boyfriend is known as the "king of the sex industry." Upset by this unexpected revelation, she seeks help from Mimata, a student at the school recognized as the top expert on sex. Nanae asks Mimata to teach her methods to attract her boyfriend. As Nanae undergoes training with Mimata, both her mind and body experience significant turmoil, leading to uncertain consequences.