Nanatsu no Taizai: Tsumi no Kokuhaku Dennou Grimoire!
Genres: Comedy
Type: ONA, Episodes: 10
Aired: Sep 30, 2016 to Mar 3, 2017
Studio: KIZAWA Studio
Source: Other
Rating: PG-13 - Teens 13 or older
Synopsis:
Animated audio-dramas released online.