In 20XX, the Love Education Law was enacted. "Love" has become a mandatory subject in a response to the declining birthrate. Michitaka Sato, a high school student who has given up on romance and works hard on his studies, is on the verge of failing school. When he attends a supplementary class to avoid repeating a grade, Mai Aihara, a beautiful girl who is a problem child, appears as his partner...? Suddenly, he…