Nanatsu no Taizai: Tsumi no Kokuhaku Dennou Grimoire!
Japanese title: 七つの大罪 「罪の告白 電脳グリモワール!」
Alternative titles: Nanatsu no Taizai: Audio Drama - Confession of Sin Dennou Grimoir!, Sin: Nanatsu no Taizai - Tsumi no Kokuhaku Dennou Grimoire!
Type: ONA
Source: Other
Episodes: 10
Status: Finished Airing
Aired: Sep 30, 2016 to Mar 3, 2017
Duration: 5 min per ep
Rating: PG-13 - Teens 13 or older
Studios: KIZAWA Studio
Genres: Comedy
Themes: Parody

Animated audio-dramas released online.