Just as Mizuho has been feeling insecure about her status as Kizuki's girlfriend, Kizuki goes off for a swimming training camp, and they're unable to see each other for several days. As they spend more and more time apart, Mizuho starts getting nervous! Ten years into the future, 27-year-old Mizuho meets Kizuki again at a restaurant after he ghosted her. What's she going to do...?!