The Navy.

A tale of two best friends in the WWII era Japan. Takao is a young man enthusiastic about joining the navy to fight for his country. He convinces his best friend Shinji to join him. As it turns out, however, Takao's poor health prevents him from entering the navy while his friend is chosen instead. As time goes by, Takao becomes a painter and changes his mind about the meaningfulness of war and fighting, while his friend goes the opposite path. Meanwhile Takao's sister falls in love with Shinji.