One summer day, he witnesses that his classmate Minami Natsuzaki, whom he is secretly in love with, is married to Gen Yuki, a teacher at the school she attends. He feels intense jealousy and envy, but he also learns that the two are keeping their marriage an absolute secret while at school, and he demands Minami's voluptuous body as a gag. As the play and demands gradually escalate, Minami herself becomes addicted to sex with the protagonist.
One summer day, he witnesses that his classmate Minami Natsuzaki, whom he is secretly in love with, is married to Gen Yuki, a teacher at the school she attends. He feels intense jealousy and envy, but he also learns that the two are keeping their marriage an absolute secret while at school, and he demands Minami's voluptuous body as a gag. As the play and demands gradually escalate, Minami herself becomes addicted to sex with the protagonist.