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

"Are you sure about this, Haruki?" Days before the battle with Dominion, hungry for power Haruki traded the very blood in his body for poison. "You will die if you drink from the chalice."

Asmodia's warnings were not the least concerning for him, for he had figured out a loophole to continuously revive himself after dying. Yet fearing things might get a little tricky, Asmodia wanted him to think his plans through before going forward with what he was about to do.

"Only one of us can die at a time, and their soul travels into the other's vessel, correct?" standing before the blood chalice filled with the tainted blood of the creator, Haruki pressed his onto its side and shifted his gaze to Asmodia to the side.

"That's right, but, even I think drinking that is an insane idea!" Asmodia complained.

Chapter 294 - Tarnished Blood