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

Before Asmodia regained consciousness in Haruki's body, the quarreling between the god of this world and the queen of Valkyries continued on escalating. Witnessing it all as his eyes slowly cracked open from having recovered some of his strength, the very first thing Haruki saw was the glassy lifeless eyes of Moriyana Malice.

Laying right before him, she had drifted apart while he'd been unconscious. Not even getting to speak for one last time, Haruki felt his heart squeezing in with a storm of emotions brewing up inside. Enraged by what had happened, he shot up his gaze at the queen of Valkyries standing before a chain-bound Atlas.

"And for you now, Atlas," to Haruki's surprise, Helga reached once again for the bloody god blade she'd taken out of Destinia. "You've tainted your father's legacy again and again, but to attempt and create an heir with the murderer's daughter? I cannot forgive such insolence."

Chapter 286 - The Gods Are Dead