In the days of their youth, Koutarou Fujiki and Kajiwara were the best of friends. Even the realization that they liked the same girl couldn't break their bond, and so for years, they both vied for her affection.But that era of Koutarou's life ended when Kajiwara suddenly left. Now an adult, Koutarou has taken his sweetheart's hand in marriage, but he's plagued with doubts-Why did Kajiwara take off? And would his wife, Touko, have chosen differently were he still around? During a visit to their hometown, Koutarou meets someone who sends him hurtling back through his memories...and toward the answer he's been seeking ever since...