Shounen to Sakura
English name: The Cherry Tree
Genres: Drama
Type: Movie, Episodes: 1
Aired: Jul-83
Studio: Toei Animation
Source: Picture book
Rating: G - All Ages
Synopsis:
In postwar Tokyo, while his mum works, Taichi spends his days alone and misses his dad who was killed in the war. Through his friendship with an old man who tends a seemingly dead cherry tree, Taichi learns about the tree and gradually becomes more positive.

(Source: Treasures of the Heart)