Currently available on 3 streaming services.

Streaming, rent, or buy Touken Ranbu: Hanamaru – Season 1:

Currently you are able to watch "Touken Ranbu: Hanamaru - Season 1" streaming on Crunchyroll, Crunchyroll Amazon Channel or buy it as download on Apple TV.

Cast

Mitsuhiro Ichiki
Yasusada Yamatonokami (voice)
Toshiki Masuda
Kiyomitsu Kashuu (voice)