I Was Mistaken as a Genius Mage in a Game - Chapter 44

Kubei was just an ordinary pencil and button pusher working a day job, hating his boss and making horrible speeches when one day he fell asleep after pushing an all-nighter. When he woke up, he was bound to a chair, facing three creepy robed women and in a body way too young and way too weak to be his own. As he slowly came to, he realized that he was no longer in the same universe as he was before. He had teleported to the Kingdom of Helius, where an all-powerful church rules its lands and wages war against the elusive group known only as Mages. Armed with an incredibly cocky neural interface that just won’t shut up and his own sheer wit, our MC will find himself not just fighting to survive, but maybe even something bigger than himself.

When I woke up after being transported to another world, I am suddenly the antagonist? This script is wrong! I stole the other guy’s girl! I also have a super strong big sister! This script is even more wrong! There’s even an Overgod Space, along with the infinite worlds? I must be dreaming! Wu Ming calmly maintains his neutral expression and journeys ever onwards.

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

I became an extra who confessed to the main character in a female-oriented romance novel but was rejected – an embarrassing history. However, I tried to brush it off as no big deal, until… “…Didn’t you say you liked me?” After you rejected me, why are you now clinging to me…?