あゝ、荒野 (2011)

Kenji stutters and suffers from interpersonal blushing. After his mother's death, he lives with his violent father, but cannot stand it, so he takes a live-in job at a barbershop to get out of the house. On the other hand, Shinji's father committed suicide when he was young, his mother abandoned him and he grew up with a wild personality. The two, who may or may not have similarities, meet by chance and are trained by Horiguchi, a former boxer, to become professional boxers. A coming-of-age story about love, loneliness and facing oneself.