MTL - Longevity Begins with Jinyiwei - Chapter 2 life and death

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!

Somewhere in the wilderness. As soon as Ruan Youqing cleared up the gangsters, he turned around and saw Mr. Shoufu who came behind him. Throwing away the meteor hammer he picked up casually, Ruan Youqing fell into his arms by coincidence.

Ruan Youqing looked shy: “If Master Shoufu hadn’t arrived in time, you Qing would have been in trouble.”

Ignoring the screams and wailing next to his ears, Master Shoufu who did nothing stretched out his hand to wipe off the blood on the girl’s face, Then he said without changing his face: “The world is getting worse, people’s hearts are not old. Miss Ruan still has to be careful in the future, after all…you are too weak.”

The gangsters: “…???”

- Description from novelbuddy

Silas Blackwood wakes up with a machine in his chest – his missing mother's parting gift to help him survive the war with the Fae. This “system” grants him bizarre abilities: neuromancy (magic of the mind), biomancy (magic of the body), and essomancy (magic of souls and essences). Oh, and it fused a leviathan's mana core into his body. Because why not become part sea monster?At Arcanium University, a military boot camp churning out mage knights, Silas finds himself targeted by rich brats who think being born with a silver wand up their ass makes them special. When they leave him for dead, Silas decides it's time to show these spoiled kids what real power looks like.As Silas grows stronger, he discovers he can upgrade himself by absorbing essences from magical beasts and demons. Just when he thinks he's got a handle on things, Silas learns his mother's alive, and now he's got a new mission: a rescue that'll take him and his friends straight into the depths of Hell.

This was a fragmented and disorganized world, this was a place that had been forgotten.