Seven Mortal Sins - Recommendations

• Vol: 9+; Ch: 74+
• 2015 - ?

After dedicating his life to arcane research, Aur has finally unlocked the secrets to becoming a Demon King. Using his newfound power to summon the enchanting succubus, Lilu, Aur begins to build a dizzying array of maze-like halls that will become his fortress. Thus begins a dark fantasy adventure of a Demon King bent on conquering the human world that he never trusted!

• Vol: 1; Ch: 13
• 2016 - 2018

The Demon King is awake at last and hellbent on world domination–but first he needs a secretary. He finds a human to organize his devilish plot, and she's perfect for the job. So perfect, in fact, that she's steadily losing her grip on her humanity. Thanks to her smarts, super skills, and secretarial wiles, it's only a matter of time before the Demon King's destructive dreams come true!

• Vol: 8; Ch: 161
• 2014 - 2019

Death Castle, the seat of power in the Demon World, is home to three demon kings... and a toddler?! The High Demon King, Death Mask, and his co-rulers Demon King Giant Rock and Demon King Dark Knight find that though they command powerful legions of evil, even they aren't immune to a child's cries... and so the sweet, innocent human child Maris will grow up under their care! After all, how hard can raising a child be...?

• Vol: 6+; Ch: 60+
• 2011 - ?

Wergelder: in Germanic law, the money paid by a murderer or his family to the victim’s family in atonement. A mysterious deal goes down on a remote island known as a red-light pleasure district. An insane fight between a blonde sniper and an assassin in a Chinese dress brings up questions about who the players are in this deal. A group of misfit yakuza gets caught in the crossfire while trying to get in on the deal, or at least find out what’s being dealt. At the center of it all is a woman who has been wronged in the worst imaginable ways. She will have her revenge.

• Vol: 17; Ch: 76
• 2001 - 2007

Munsu is an Angyo Onshi - an arbiter for the country of Jushin. Fighting evil is all he knows, but since Jushin has recently collapsed, what is he fighting for? Wandering from place to place, Munsu finds himself battling those who would further destabilize the country, whether they be arms dealers, smugglers, tyrants, or necromancers. Accompanied by a female warrior named Chun Hyang and able to call upon the strength of a ghostly legion with his Angyo Onshi powers, Munsu sets out to help those who are willing to take a step towards helping themselves, and bring justice against all that is evil in the world.

• Vol: 1; Ch: 6
• 2018 - 2020

One day, Shizuka picks up a beast child he finds abandoned in the water. Naming the child Kojuro and raising him as his own son, he had originally thought of raising him for money, but now he's truly come to think of him as his own family...what will he do when full-grown Kojuro's feelings for him grow less and less familial by the day? 

• Vol: 1+; Ch: 26+
• 2023 - ?

An introverted high school student, Souichi Sakuraba, is being bullied severely by the “Yokai” classmates. The bullying escalates, and Souichi’s childhood friend, Azusa, who was the only one who trusted him, is defiled by them. In front of Souichi, who was in the depths of despair, the succubus, Asmode, appeared. Souichi makes a contract with a succubus who possesses a mysterious ability, and decides to make the bully’s loved ones suffer the same pain as himself by “cuckolding” them.

• Vol: 3; Ch: 36
• 2018 - 2020

500 years since the last battle of "Hero" vs. "Devil," the Helenes Kingdom, faced with population growth and food shortages, decided to cultivate territory in the buffer zone “ambiguous navel.” As a result, the balance that has been maintained begins to collapse.

• Vol: 1; Ch: 6
• 2016

A demon king saves a low ranked slime monster.

• Vol: 2; Ch: 16
• 2011 - 2012

A pair of young newlywed couple decides to return to their hometown, where the husband has taken to working as a delivery man and that's when he finds himself being seduced by the mysterious lady who lives in the mansion with a garden of roses.