During the school trip in Okinawa, Satsuki told Naoto that she would only believe in him if he kissed her. Trusting her words, Naoto asks her to go on a date with him. However, despite his efforts, he just keeps missing his chance to kiss her. As Satsuki's curfew approaches, Naoto accompanies her back to her dorm. It seems the perfect chance for him to kiss her has finally presented itself. However, what he gets instead is an unexpected turn of events that will plague his mind for a while!