My MCV and Doomsday - Chapter 681

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

Shen Yuan, a normal human who was living his life peacefully on earth died mysteriously, only to get reincarnated into the world of cultivation with an unknown bloodline so powerful that it even surpassed his chest system....“Hmm, looks like becoming an alchemist might be good. System, purchase the Alchemy knowledge.”[Ding!][Congratulations Host, for acquiring Heaven Refining Alchemy Sutra.]...Follow to see the journey of how Shen Yuan creates the strongest harem since the Primordial times to journey the three thousand world.

Transported to a garbage-filled planet in the interstellar era, Ji You was so poor she was nearly digging the soil to eat, but... the soil was toxic and inedible... With no other choice, she had to lower her standards and pick up trash and sell scrap, such as these beautiful grass seeds that no one wanted. She gathered them and threaded them into beads to sell online.But once she posted them online, someone left a negative review: 'Selling grass seeds? Are you crazy for money?'Days later, this person was pounding the wall in regret: 'I beg you, sell me a grass seed bead, just one! Just one is enough.'Ji You coldly responded: 'Not selling!'And then there's the sparkling stones lying all over the streets that nobody wanted. She picked them up, polished them into bracelets, and sold them online.People lashed out with their words: 'Selling such broken rocks - have you never seen money?'Days later, those same people were crying and wailing: 'I was blind, I was so shortsighted, to overlook such beautiful and pretty stones. I beg you, sell me one.'Ji You spread her hands: 'Gone.'

An entomologist’s soul transmigrates into a cultivation world, inhabiting the body of a small, obscure cultivator who specializes in insect manipulation. Reborn, he desires only to avoid conflict and quietly develop in a mortal village.Inspired by the “Sun-Moon Heart Sutra,” he creates his own “Ten Absolute Scripture.” Inspired by the “Nine Deaths Divine Art,” he devises the “Purgatory True Demon Technique.” Moved by the “Eternal Life Sutra.” he extrapolates it into a hundred layers.With boundless creativity, extraordinary insight, and unlimited time, he pioneers new techniques, pill formulas, artifact designs, array formations, gu recipes, poison concoctions, and brewing methods—all entirely of his own invention.While others cultivate paths of slaughter, he alone forges and cultivates the path of self creation.