"...Yes, my first love is Yohei-kun." It was still cold spring in his senior year of high school. Shouma is reunited with his childhood friend Yohei for the first time in 11 years. There was a problem with the room he rented to live alone. They have a spare room at his house, and they end up living together. Under the same roof, they are always conscious of each other. Because Yohei was his first love.... His unchanging smile makes me nervous, I am relieved that he is not in a relationship. This is a reunion love story that will make your heart throb with earnest and straightforward feelings! 高校二年、まだ寒さ残る春。 将眞は幼馴染の洋平と十一年ぶりに再会する。 大学入学を機に借りた部屋がトラブルで一時的に住めなくなったしまったらしい。 そこで部屋が余っている将眞の家で一緒に住むことに。 ひとつ屋根の下、将眞としてはどうしたって意識してしまう。 なぜなら…将眞にとって洋平は初恋の人だったから――。