After graduating from high school, Tachibana and Otani have finally confessed their love for each other and are living together. However, their co-habitation is totally ruined when they run into an old high school buddy, Yuki. Otani has always been suspicious of the friendship between Tachibana and Yuki. And honestly, his suspicions may not be that far off... are the feelings between Yuki and Tachibana simply an ordinary crush, or could they feel more?