One day, Naota and Anna unexpectedly reunited after 15 years. They had once been each other's first lovers, but due to Naota's busy work schedule and attending different schools, their relationship gradually faded. When they honestly confessed they had never truly disliked each other, their long-dormant feelings reignited. They decided to start dating again. However, now as adults, they found themselves awkward and nervous, unable to take their relationship further, leaving them stuck in a frustrating situation.