Currently available on 2 streaming services.

Streaming, rent, or buy Ojisan and Marshmallow – Season 1:

Currently you are able to watch "Ojisan and Marshmallow - Season 1" streaming on Crunchyroll, Crunchyroll Amazon Channel.

Cast

Kana Hanazawa
Mioko (voice)
Tetsu Inada
Habahiro Hige (voice)
Tetsuya Kakihara
Isamu Wakabayashi (voice)
Eri Kitamura
Iori Wakabayashi (voice)