MTL - Chaotic Lightning Cultivation - ~ Section 909 Donghuang Song Zhong

Sano Yuji, a black company employee, is summoned to another world while finishing his work at home. His profession in the other world, a Monster Tamer, is considered a job that makes it difficult to become an adventurer. However, thanks to some slimes he met, which read several magical books, he gained magical powers and the second profession, Sage. Yuji acquired overwhelming power, but is he conscious of his strength? Blindly becoming unparalleled and strongest in the world!

A 30-year-old NEET is reincarnated into the body of an otaku that choked to death on instant noodles. As he comes to grips with his new life, he realizes that this world is subtly different from Earth. The denizens of this world are far better looking, and this new world also possesses futuristic technology as well as mysterious Yin Yang masters!

After reincarnating, he realized that he was endowed with a miraculous game-like system, which enables him to increase his own stats and transcend the limits of the human body. This system even has a game-breaking ability to save and load in real life!

In this new world that’s akin to a 2-D game, he just wants to enjoy life and head for a glorious future… However, he is quickly embroiled in a complex plot. Can he unlock his true potential and utilize his system to break the shackles that confine him and discover the truth about his previous body’s circumstances?

- Description from novelupdates

Through a mysterious portal, Chen Jin arrived at this strange place – a post-apocalyptic world where civilization had been destroyed.

Tang Chuxia, with her ample bosom, slender waist, and long legs, has a face that's both innocent and sultry. Unfortunately, she's known as a crazy beauty!Gu Beihuai, with wide shoulders, long legs, and a 'hound's waist,' is rigid and highly capable, but he's also willful and extremely arrogant in private.Everyone knows that Gu Beihuai detests his childhood friend Tang Chuxia, and they despise each other on sight.In everyone's view, even if they were the last two people on earth, they would never end up together.However, at a matchmaking event organized by the compound, the charming and seductive Tang Chuxia ends up pinned against a wall, surprisingly by the old-fashioned Gu Beihuai.“Don't you like me?”His hands firmly grasping Tang Chuxia's slender waist, he hears her whisper in his ear: “Once we're married, can I kiss you as much as I want?”