MTL - Marvel: Containment Foundation From Scratch - Chapter 41

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.

When a person dies, they either die light as a feather (aka unimportant) or heavy as Mt. Tai (aka very important).

Their nature is certainly not ordinary. So when these kind of people do not die as extraordinary people, their hearts will have some lingering wishes.

Souls with lingerings wishes in their hearts, just one bowl of soup from Meng Po isn’t enough to let them forget past events. Souls that aren’t pure enough can’t go through reincarnation.

Therefore, they need –

Hello, this the underworld’s department of purifying souls, serial number 666 Lu Heng (MC) is at your disposal. Our service obejctive is: fulfilling your wish to die importantly, additionally, never being OOC!

Lu Heng: Left the name in the annals, this evaluations grade will be for sure S+!

Section Chief: Lu Heng, why did you break apart the CP again!! I am deducting your salary! Deducting, deducting, deducting!!!!

Lu Heng: Leader, this is really not my fault!!! QAQ

Mysterious Person: *rubs Lu Heng’s head*

- Description from Novelupdates

Tong Nian, a cosplay cover singer, falls in love at first sight with a man she spots at a Net cafe. Chasing him, she signs up for the MMO she saw him playing, albeit it’s a super high ranked account a friend acquired for her. Who could have known he was a pro gamer, moreover a legend in the gaming circle at that!

However, he did not know that he was not raising just a harmless pet, but a biological weapon secretly made by the government… a real monster.

As a former librarian, Rand felt that he had been living an ordinary life, the one that he had reclaimed unconsciously every single day.

Recently, he has been a little upset because the pet fish he accidently brought home to raised seems to have undergo some strange changes

Well, it turned into a merman.

- Description from Novelupdates