Currently available on 2 streaming services.

Streaming, rent, or buy Seirei Gensouki: Spirit Chronicles – Season 1:

Currently you are able to watch "Seirei Gensouki: Spirit Chronicles - Season 1" streaming on Crunchyroll, Crunchyroll Amazon Channel.

Cast

Yoshitsugu Matsuoka
Rio (voice)
Ayaka Suwa
Rio (young) (voice)
Akane Fujita
Celia Claire (voice)
Yuuki Kuwahara
Aishia (voice)