Despite being senior and junior, Haruna and Yurina are lovers at heart. Though they keep their feelings hidden, their emotions grow deeper each day. Attending different schools limits their time together, yet their bond only strengthens. One day, Yurina confesses her desire to visit Haruna's school. Late at night, in an empty classroom bathed in moonlight, the two draw close. Sharing sweet, passionate kisses, their love story deepens in that intimate moment.