Sad Boyfriend (2009)

Directed by Yōka Kusano

37 year old sales manager Iwatsu is so caught up in work, he's unable to truly live his life. One night while looking at his graduation album on his phone, he receives a sudden call from a girl named Kana. He's taken to his hometown Kobe, where he lived as a teenager. Slowly, by way of Kana, Iwatsu's past is resuscitated.