MTL - Royal Beast: The Strongest Breeder - Chapter 2 Eudemons Breeding House

The latest novel by the author of 'When Cats Own Superpower'.----------------------------------------------A star shot through the sky, it also shot through the tranquility of the world.Supernatural powers descended upon Earth. Who watches in the dark? Who mutters in my ear?When my growl shatters the sky, when my power tramples the abyss, when I govern all that is living and dead...they shall call me-- God.

An Individual from Earth finds themselves in the Shinobi World, equipped with a Scientific System. From that moment, he delved into scientific research far ahead of its time.

The Queen of the elves wants to bear his child, the vatican’s saintess is his maid and the empire’s princess wants to elope with him.

But his only concern was his delusion of taking down the creator of the world!

- Description from Novelupdates

Roy died during a war against the Evil God Cult, but somehow, he returned back in time to 30 years in the past where he was just a boy who awaken his summoning magic.