Akasen Gairo: Shouwa 33 Nen no Hatsuyuki (2007)

After the war, there are several districts where people are allowed to open a brothel. The main character is Masayuki. He comes to one of the districts to look for his mother. But he can't find her, and is at a loss what to do. Shizue, a brothel prostitute, takes care of him, and he begins to stay at her house.... What will he think when he meets his mother?