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

Wandering back into the dungeon after so long felt a bit underwhelming to the incubus emperor. Deceived by his own memories, he remembered the place to be much more threatening with a looming sense of someone or something watching his every step.

"Absolute Corruption: Emperor of void!" Activating his newly acquired ability under his system, Haruki conjured up a throwing spear made from darkness itself. "Get down here you nasty bug!"

Throwing the spear at a poisonous spider the same size as him, he pierced through its body and made it shriek out as it died. Once the monster's soul had left the vessel, the weapon created from darkness absorbed the flesh into the void, leaving behind not a single clue of the spider ever existing.

"The skill seems similar to your dark light spell," after assessing the ability, Margarette stepped up beside Haruki to give him her input. "If that's all it can do then,  it's a bit useless don't you think?"

Chapter 109 - The Three Monster Queens