Seven Mortal Sins is a tV series anime that premiered in spring 2017, produced by TNK.

About the production: the story comes from an original script, there are 12 episodes of about 24 minutes and its current status is "finished".

Its main genres are action, ecchi and fantasy, with themes such as Nudity, Anti-Hero, Female Protagonist and Demons.

On AniList, Seven Mortal Sins has an average score of 52%, an average score, and appears on 44,687 users' lists.

In the story, the prideful archangel Lucifer disobeys God and is cast into the lowest level of hell as a fallen angel. On her way to hell, Lucifer happens to meet a high school girl on Earth named Maria, who helps her. In hell, Lucifer meets Leviathan, and Leviathan explains to Lucifer about The Seven Deadly Sins, the seven demon king rulers of hell. After The Seven Deadly Sins seal Lucifer's powers, Lucifer goes on a journey with Maria and Leviathan to defeat them. (Source: Official Website)

Official synopsis from AniList.