Nanatsu no Taizai: Eiyuu-tachi wa Hashagu

Nanatsu no Taizai: Eiyuu-tachi wa Hashagu was produced by A-1 Pictures as an original video animation (OVA) released in 2018. It serves as a lighthearted companion piece to the Seven Deadly Sins franchise, designed to provide fans with a comedic break from the intense, high-stakes narratives typically found in the main series. By focusing on mundane, slice-of-life interactions among the characters, the studio aimed to deepen audience attachment to the protagonists by highlighting their interpersonal dynamics outside of combat.

The animation reflects the established visual style of the A-1 Pictures adaptation, maintaining the character designs created for the television broadcast. It was released as part of a promotional campaign accompanying a limited edition of the original manga, acting as a value-add for dedicated readers. The reception was modest, as the production was clearly intended as a whimsical detour for the existing fanbase rather than a significant expansion of the franchise's overarching lore.