High school girl Momoko Tabata and teacher Risa are kindred spirits who share a love for pissing. Whether in the classroom or at home, they engage in adorable interactions—letting each other pee, making one drink urine, and indulging in their mutual fetish. Simply wearing diapers awakens their desires, deepening their bond. As they affectionately tease and pamper one another, their passion steadily builds until they can no longer restrain themselves.