Jack o' Frost

Ritsu is shocked to learn that he and Fumiya used to date, and he decides to learn the truth for himself.

When Ritsu's ex-boyfriend and coworker comes over to the apartment, Fumiya starts to get a little concerned.

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.

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