Arifureta Shokugyou de Sekai Saikyou (WN) - Volume 7 Chapter 9

One day, Zhang Fan, a poor medical student, receives a medical system from the future. This turns him into a new shining star in the medical field. Along the way, he must face medical corruption, competition, and infighting from other doctors, and even find time for a love life as he strives for the top of the medical field!

- Description from Novelupdates

Vergil, a 21-year-old young man, leads an apparently simple life in a somewhat troubled world. His family is also simple—although his father is no longer alive, his mother has always been by his side, despite being a bit... aggressive. But that's not so unusual nowadays, right?Everything changes drastically when Vergil, after an unexpected death, awakens as a demon. To his surprise, he discovers that he has accidentally married beautiful Pure-Blood demonesses.Now, he will discover how the world really works from a Demon's perspective.

The engagement of the most adored daughter of the Li Family was broken off. Her furious family members railed against the heartless man and vowed to make him pay the price. * Later on, Li Qiao met her ex-fiancé’s big brother by chance. Some said he was the most mysterious man in Nanyang and his name was Shang Yu, aka Shang Shaoyan. While some others called him the overbearing and obsessive underground Overlord of Nanyang from whom everyone should stay away. Standing in the misty rain, Li Qiao gazed at the ruthless and untamed man with a shallow smile, said, “Hello, I’m Li Qiao.” She would become her ex-fiancé’s sister-in-law, if not wife. * Li Qiao and her ex-fiancé met again on the street several months later when he sneered at her, “Are you following me? Haven’t you given up hope yet?” A harsh voice berated him from behind, “Show some respect to your sister-in-law!” From now on, only one rumor was circulating in Nanyang City – The merciless Overlord of Nanyang had one woman he uncritically doted on. Her name was Li Qiao.

A cataclysmic threat looms over all realms in existence, unnoticed by any.The Enigma Race, the harbingers of ruin, corrupts everything in their path, harvesting countless souls for their enigmatic Lord, posing a dire threat to all living beings. No realm is safe.While confronting invading forces from a foreign multiverse, Elias is cast out of his space-time continuum and into the chaotic depths of the Temporal Vortex, a location that has spelled the doom of many, due to a catastrophic accident.To survive, the once supreme Quantum Seeker, now weakened by a cunning invader, musters all his remaining might and, against all odds, transcends the Vortex, losing his body in the process. His consciousness drifted into the miraculous Mystic Multiverse, located in a different space-time continuum. Now, determined to return and save the ones he left behind, Elias vows to reclaim his lost strength.But as time passed, Elias discovered that the new realm isn’t as simple as he initially thought…