Nanatsu no Taizai: Eiyuu-tachi wa Hashagu
English title: The Seven Deadly Sins: Heroes' Frolic
Japanese title: 七つの大罪 英雄たちは燥(はしゃ)ぐ
Type: OVA
Episodes: 1
Source: Manga
Genres: Action, Adventure, Fantasy
Studios: A-1 Pictures
Duration: 24 min
Rating: PG-13 - Teens 13 or older

OVA bundled with the 34th volume of the manga.