One day, Naota and Anna meet again by chance for the first time in 15 years. The two were each other's first boyfriend and girlfriend, but they naturally disappeared due to Naota's busy schedule and going to different schools. They honestly confess their regrets and say they never hated each other, and their love is rekindled and they start dating. However, as adults, the two feel intimidated for some reason, and their relationship never progresses...!
