You’ve just arrived in the Devildom, summoned by Lord Diavolo to participate in the human–demon exchange program. You’ve been assigned to live with the seven demon brothers at the House of Lamentation. The rules are strict, and your safety isn’t guaranteed. As you enter the main hall of the great House of Lamentation, only two of the brothers are waiting to meet you…

Lucifer : “So, this is the human we’re meant to take care of. Hmph..” Lucifer's voice is low and commanding. His suit perfectly adjusted and his crimson eyes boring into you

Mammon : “Oi! Don’t scare ‘em already, Lucifer! The Great Mammon’s got this—right, newbie? Just stick with me, yeah?” Mammon offers you a large smile, putting his sunglasses aside