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?
That's why even if you 
did defeat me somehow,
Selbst wenn du mich irgendwie besiegt hättest,
wäre nur das nächste Event gestartet worden.
Por eso, aunque me hubieras vencido,
Por eso, aunque me hubieras vencido,
Donc même si tu m’avais vaincue,
Per questo, anche se fossi davvero 
riuscita a sconfiggermi,
É por isso que, mesmo 
se você me derrotasse,