Sword Art Online - Vol 6 Chapter 15

Life Demon, Law Demon, Knowledge Demon, Fate Demon, War Demon…

When various strange forces invaded, the world has since been divided into two distinct ends.

Some people worship him as a god and walk on the earth as a spokesperson.

Some people choose to drink a glass of strong wine on the scarlet night and raise the shotgun in their hands.

- Description from novelbuddy

Joseph Knox, one of the most prolific and well-known serial killers on the planet.A person considered so demented and manic that even trying to reason with him was believed to be a waste of time. A man so far gone that he seemingly didn't deserve any pity even on his deathbed.So why? Why would a man like him receive a second chance? And why did the world around him seem so familiar?Disclaimer: AU when it comes to some parts of Madara's plan(I'll try to make it make sense at least), and aliens don't exist in this world

One of the rarest type of magician exist in the world. Who would able to underestimate summoning and ordering a mighty pheonix, or summoning an invincible dragon? Of course, none.

To master the path of summoning, only those born with an innate talent and strive to learn the path of summoning magic might be capable of achieving and master the powerful magic.

But not for Lyan Arcanium Evocatore. After succeeding defeating his lifetime quest of saving the human world by offering his life, the great incubus's wish of living freely got granted and he wakes up at a parallel world with 8 powerful spirits contracted with him and a summoning grimoire.

[The gods have granted you the Grimoire of Summoning: Creatures of Love]

[You're capable of obtaining the summonable monsters by having affectionate intercourse with your romantic interests]

[The Grimoire is chosen in consideration of the host's former occupation as an incubus]

“Intercourse!?”

But not only the grimoire, The other problem is...

-You are?

-Whoa... What with this weakling?

-It seems that you're my master, nice to meet you

-So you're the forementioned servant, huh!?

-B-Big bro! Y-You're the summoner!

-........

-Boy, you look delicious

-Um... Where exactly are we?

“How should I know!? And why the hell should I sleep with women in order to get my summonable monsters!?!?”

Follow the summoner Lyan as he collect monsters, get dragged into different kinds of war, became the greatest feudal lord, battling the goblin king, facing the dragon tribe, and opposing the evil god followers!

One of the King of Kings Series

This story is set during the end of the Sui Dynasty, a time where multiple powers struggled for supremacy and power.

Into the fray enters two orphans Kou Zhong and Xu Ziling; these two youths by many chances and luck obtain ‘The Secret to Long Life’ allowing the two to obtain profound martial abilities and a chance to rise to the top in this age of turmoil.