Story About Buying My Classmate Once A Week - Chapter 39: Im only doing it because Sendai-san says so —

Follow Chen Ming as he accepts disciples, establishes a sect, and fights his way in a world that deems him a cannon fodder.
He goes against any common sense using his wits and novel knowhow to finish missions and arm himself against his cruel fate.

- Description from Novelupdates

Nobody thought the end of the world as they knew it would come like this.In a dystopian future, 95% of the population was sent to another universe, one resembling the game Jack had played, “Elder Heir Online”.He would've normally enjoyed such an opportunity, but the company 'DiveCore', from his real world, came along.As long as any of them breathed, his revenge wouldn't be complete.Using his knowledge of the game, and willingness to go through the worst to exact vengeance, he will slowly become what he avoided when he played the game in the real world: a villain.

Jiang Yi, with the Celestial Book, transmigrates to the world as a Demonic Cultivator of the Demon Dao. He wants to knock open the gate of longevity and immortality.【Celestial Book, show me the opportunity I can obtain today.】【50 li outside the sect gate, in a green-water cold pool, there is one Spirit Fish, which can be caught.】【Celestial Book, show me the most compatible Cultivation Technique for me at present.】【Lu Mountain Sword Sect's 7th Grade “Prime White-Clad Jiazi Jiao-Slaying Song”, Qixia Mountain's 5th Grade “Rainbow-Gathering and Cloud-Refining Pointing Profound Scripture”, Innate Demon Sect's 3rd Grade “Grand Sage True Skill of the Profound Monarch's Prayer”…】

Despite being the ruler of a nation, nobody was willing to marry the vicious man with a bloodlust.