Nightmare’s Call - Chapter 17

"Locke transmigrated into an era where everyone had Battle Beasts. Daemons were rampant and humans were forced to build walls around their dwellings while depending on Beastmasters to keep those monsters at bay.

Transmigrated Become Sukuna, but the host is Yukinoshita Yukino?“Ryomen Sukuna? The strongest sorcerer in history? He’s just an ordinary person born in a time without me.”Hayashizaki stood in front of Ryomen Sukuna, looking at him with a playful expression.“On my left is the 'Little Yukinoshita,' a possessor of multiple techniques, easily wielding both the Limitless Cursed Technique and the Ten Shadows Technique; on my right is the 'Big Yukinoshita,' who has awakened a unique modern technique, no less powerful than me. As for slashing techniques, those are just our basic attacks.”“So, tell me, how do you, Sukuna with 15 fingers, plan to deal with this?”Ryomen Sukuna stared at the black-haired young man in front of him, whose cursed energy was identical to his own, dumbfounded.

This is a world where humans, demons and mysterious beasts coexist.

Humans cultivate mysterious qi. Demons cultivate corporeal bodies. Mysterious beasts cultivate soul perception.

A legend says that in the middle of an endless rainforest, there are extremely powerful existences; they are called demon kings.

Some demon kings have a tyrannical corporeal body, some are experts in illusions.
Some demon kings are proficient in magic, some can even move mountains.
Some demon kings are able to sense things thousands of miles away.

These demon kings rarely appear in the human world. Even if they emerge in the human world, they would reincarnate in human form; assimilating with mankind while seeking to breakthrough realms…

- Description from Novelupdates