MTL - My Spy Years - Chapter 1036v3 Naito's horror

In a world where magic is forbidden and witches are hunted, Ashlynn Blackwell has hidden her mark of the witch since birth. The night of her wedding she's betrayed and her secret is exposed. Attacked by her husband and his knights, Ashlynn was abandoned and left for dead in the wilderness.Rescued by the vampire lady Nyrielle, Ashlynn is offered a choice: die as a human or embrace her power as a witch. Bound by a mystical blood pact, Ashlynn is plunged into a world of ancient magic, immortal vampires, and deadly political intrigue for the chance to find eternal love.

It was one thing to have my hands and feet securely tied, but why was my mouth also sealed? I should at least have been ...It was one thing to have my hands and feet securely tied, but why was my mouth also sealed? I should at least have been able to make a noise! Why was I confined in a mental asylum? Why did it seem like everyone was afraid of me? Why... do I feel like laughing?----------------This is a story where Holmes and the Joker wreak havoc on the SCP Foundation. I hope everyone will enjoy it!

A tree of 10,000 flowers, the world is the door.
The spells change a lot, but the hearts of the people are unchanged.

- Description from Uukanshu translation

Chen Rui, an otaku from earth, is reborn into a human body in another world, who falls into the legendary evil, brutal world of the devil called Mozu where humans are treated as food. He has to survive while facing horrors of the devil, violent dragons and a variety of power enemies depending on a strange super system chip and his wits. Surrounded by Devil’s beauties such as black-bellied lolita princess, cold queens, violent dragons, charming poisonous devils …

Wanting to live in the Devil’s world is hard! Wanting to live in the Devil’s world as a human is harder! Wanting a human to be the devil’s son-in-law is hardest!

Let us see how a small otaku uses power and strategy step by step starting from an ordinary human to writing a legend as the devil’s greatest son-in-law.

- Description from Novelupdates