Ritsu and Fumiya get into an argument on Ritsu's birthday, which causes a massive change in their relationship.

Fumiya decides to hold off on telling Ritsu about their past relationship for the moment, while Ritsu says he'd like to walk around to the places they used to spend time together.

Ritsu and Fumiya go on another vacation to a cottage they visited once before, and Fumiya reminisces on the happy times they had back then.