Game Market 1983 - Chapter 43: Case by Case

Reiji Saeki, who lives in the north eastern countryside town, lost his life in an accident during summer vacation. ……But before he knew it, a mysterious ball of light hovered in front of his eyes in a world of whiteness. That ball of light was a magician from a parallel world, and is looking for a person qualified to inherit the magic they had created to prevent it from being lost. Reiji, who rode on that suggestion, now lives in the parallel world Elgin, with a new body and powerful magical power.

Reincarnated into a land of cultivation, Yuan Zhou uses his Earth knowledge and assumptions to become a genius under the heavens for both business and cultivation. However, he walks the path of defiance, exceeding all rational cultivation bounds. His business ideas struggle against the stagnant culture that pervades the land, but the things he doesn't lack are his drive for immortality and power.

Ling Xiao was a powerful martial expert who fell in battle and was unexpectedly transmigrated into another world. He began life anew in the body of a boy with the same name, a fallen genius of the Ling Family whose cultivation had been crippled in a surprise attack, and son to a father who had also suspiciously been crippled under similar circumstances. Armed with knowledge from his previous life, Ling Xiao aim to restore his strength and establish his place at the top of this new world

- Description from Novelupdates

Tricked by a soothsaying mother, during the ghost year, ghost month, ghost day, and the wide-open Ghost Gate, I sneaked into the deep mountains with a Zhang Family heirloom, the Star Stealing Life-changing Talisman.By a mix-up of Yin and Yang, a devastatingly beautiful thousand-year-old female corpse absorbed some of my life force, and she awakened...Kids over 12, please watch this book together with the little buddy on your back, and don't block his view! (Note: don't turn back now, because he has also seen this text!)