The New Human

What If Lucifer arrived on time to save Lilith? what if he was the one who got hit? Of course, he wouldn't be killed so easily...

right?

After seeing the brothers saw his brother fall. Mammon the first one to reach his brother, as the others attended Beelzebub, Belphegor and Lilith. However, Mammon came back without Lucifer. He explained that Lucifer is missing.

Mammon, in charge of the house and his brother. He was titled as the first born. But it wasn't easy for the brothers, especially since a new brother had arrived. Satan.

Thousands of years later, Diavolo opens the program and a new human comes to Devildom.