Sloth Online
Lucifer is now up against the Demon Lord of Sloth, Belphegor. Belphegor gathers her followers online, working with Mammon. Belial asks Belphegor to put an end to Lucifer once and for all. Lucifer ends up getting sucked into Belphegor's game, along with Maria and Levi. With a battle for the virtual world ongoing, and tensions building between Maria and Lucifer, just what will happen?
Aired 27/05/2017EP 6 - Sloth Online
Seven Mortal Sins
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)