Writersblockills

After slumbering for years in the darkest pits of the abyss, Haruki Shin is awoken by the demon lord of lust. She tries to remind him of a contract he signed with her in exchange for the power that would help him exact his revenge in the mortal world.
However, who or what he wanted to get revenge on? He couldn’t remember. Replaced with a hazy mist, his memories had long since faded. But to the mistress of lust that didn’t matter as she forced him back into the mortal world with the demonic body of an incubus. 
Feeling lost he’s forced to adhere to each of her commands, and despite his refusal, he can’t resist the binds of the contract. Eventually, however, as he learns more about his tragic past, and the existence of the lustful system he’s been blessed with for his revenge, his path to becoming a monster finally begins.

[Warnings]:
Sexual content||Gore||Traumatic sequences||Mention of slavery and other heinous crimes||Step-relationship||Genderbending|| 

[Note]:
1. None of the heroines will cheat on MC
2. Does involve MC stealing other people's partners
3. Please let me know about any grammatical errors in any chapter through the comments.
4. MORE GOLDEN TICKETS = FASTER UPDATES!
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Absolute Depravity: Reincarnated with a lustful System

Sitting atop the throne on which the king of Lamenia once sat, Margarette was still filled with doubt about the deal she'd made with the overseer Maria. Traveling off towards the emperor's domain, she was already on her way to inform the others about the situation in Lamenia, and that thought concerned Margarette a lot.

"Rose…" Getting off the bejeweled throne of ivory, she turned her attention to Rose who was standing by her at her moment. "Keep a watch on things for me please, I'll go and start scanning the library for any information about the records of the world."

With the demons still rampaging about, she didn't want them to break the terms of the deal that they'd just recently signed. If even a single of those demons were to kill the humans left behind by Maria before her departure with the populace, an even greater war would surely be on their hands.

Chapter 238 - Binding Things Together[Everyone’s Status Before Tower Infiltration]