Reincarnated As A Lion In Another World - Chapter 1 - : Reincarnation

After killing the Demon King and returning to Earth, the world was in chaos due to the gates. Now, I just want to take care of my people and live as I please. After all, there’s no hero party here to oppress and bind me.

He mocked the omegaverse. Now he’s living it—with a baby on the way.Souta Tachibana was just your average, overworked office drone—until his BL-obsessed coworker introduced him to a trashy omegaverse romance novel. Curious (and a little horrified), Souta read it for laughs. But then he died in an accident.Now, he wakes up in the body of Lucien d’Armoire, a minor noble in the empire of Aetheria. No plot relevance. No destined lovers. Just a quiet, boring life as a background beta.Until one morning, he throws up into a chamber pot… and his doctor says something unthinkable:“Baron d’Armoire, you’re pregnant.”Which is impossible.Because he's male.And straight!And because Betas can’t get pregnant.…Right?Except Lucien is no Beta. He’s a rare male Omega. Apparently, during one reckless, drunken night, Lucien slept with an Alpha. Now he's pregnant, confused, and definitely not ready to be a father. To make matters worse—he doesn’t even know who the father is.

Traveling through the era of national beasts, Su Yi discovered that his pet beasts could actually choose a special evolutionary route!

When others are still trying to make the red fox evolve into a flaming fox, his nine-tailed fox fairy has already fallen in love with Liaozhai;

When others are still trying to make the thorn grass evolve into a thorn tree, his queen of thorns has already suffered from secondary school;

…

Looking at these strange beasts, Su Yi fell into contemplation.

Will I still be a beastmaster in the future?

This is the demon!

- Description from novelbuddy

A 30-year-old NEET is reincarnated into the body of an otaku that choked to death on instant noodles. As he comes to grips with his new life, he realizes that this world is subtly different from Earth. The denizens of this world are far better looking, and this new world also possesses futuristic technology as well as mysterious Yin Yang masters!