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

From the streets of Aria to the furthest piece of land edging the neighboring kingdoms, every human in sight had turned into a lust demon servant. Except for the few humans living around the town square, their lives have been spared, and they were now gathered into an assembly to bow their heads to their master in the biggest assembly of demons in the world.

Looking into the distance from the Arian castle's balcony, there was no end to the demons laying prostrate before Haruki's eyes.

'You've done well.'  Interrupting his thoughts, Asmodia's voice trickled into his head.

"You're finally awake," he mumbled. The rest of his servants standing behind, turned their gazes to him with a confounded look.

"Did you say something?" Asked Athena, one of the very few who'd still not been turned into a demon.

"Shushh…" Grabbing her arm, Margarette urged her not to disturb Haruki for a moment.

Chapter 139 - King Of The Plagued