MTL - Bleach: Secret Intentions - Chapter 104 :request

I was the awakened on the path to become the strongest, but instead, I became the final boss of an Eroge.Pushed into the body of Eugene Hall who was but a petty villain that somehow spelled the end of the World, I had to live again in a world of demons and gods.Moreover, the main characters were all regressors who wanted me dead.Now I was stuck as a villain with heroes and villains, demons and gods all coming after my life. And even beyond them were the oncoming outer gods that wanted the world gone.And honestly? I didn't care.My path was the path to the strongest! Nothing else could come in my way!!

In a world where magic and sorcery flourish came a tale of a nobody who grew into a legend. Partake in the conquests and tribulations of a great army where warriors live day-to-day, seeking the thrill of combat.

Ever since he was little, Xi Jia’s yin energy was strong, and every day he saw ghosts and ran into ghosts. One day, he accidentally broke the protection amulet. Celestial Master Ye Jingzhi happened to pass by and helped. Are ghost catching Celestial Masters all legit masters? WeChat official accounts, Taobao online shops, looking at gossip tabloids every day. Since then, Xi Jia has refreshed the lower limit again and again, and met a group of completely unreliable Celestial Masters. Binding spirits, doppelgängers, the Mausoleum of the First Qin Emperor, the ghost market of Poyang… The door to a new world is slowly opening.

Set in an urban city with supernatural elements, this is a love story between Xi Jia, who has a body of extreme yin, and Celestial Master Ye Jingzhi, nicknamed the King of Hell. The seemingly weak Xi Jia, in actuality, can rip apart ghosts with bare hands; the seemingly cold Ye Jingzhi, in actuality, is shy and gentle. A marriage contract binds the fate of two people together. See how the two people overturn the heavens in the gossipy and wacky metaphysical world.

- Description from Novelupdates

The strongest Demon Lord dies, and reincarnates as a human. Not only that, he because of various incidents turns into the hero’s best friend.

Follow his journey as he tries to help the hero escape his fate, and on the sideline to conquer the continent while he’s at it.