MTL - 70s: Raising a Baby - Chapter 178

A con-man and policewoman that are legends of their respective professions suddenly die, then are reincarnated and return to the Tang Dynasty of ancient China as little kids.

Accepting their second chance and forced restart, they choose to use the modern knowledge and specific talents that they have in their previous lives in order to live comfortably in this new life.

- Description from Novelupdates

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

Although Leng Ruoxue is born mentally challenged, she is the most beloved granddaughter of the number one general in the Eastern Lake Nation. She is despised by her fiancé and schemed against by her love rival. However, she is reborn as a powerful soul. This is a fantasy world, and also a world where the strong are respected. Cultivation, alchemy, weapon refinement, beast taming—the once foolish young miss has transformed into a stunning genius. Pill refinement and weapon refinement are all child's play. Heaven Grade medicinal pill? Even my pets won't turn an eye to it. Heavenly Treasure? I have the space to grow my own. Sacred artifact? Sorry, that's too low a level. I only know how to refine divine artifacts. Beast taming? My beasts deliver themselves to my doorstep.

Liola—the best assassin in his world—has vowed to kill no more. He was being chased by an assassination organization when he accidentally dropped into a parallel universe: through a dimensional gate and into poor teenager Kaiser’s apartment. Instead of going to the government shelter for lost dimensional travelers, Liola and Kaiser wind up going to school together.

Liola has been trying his best to live the life of an ordinary person, but after certain things happen one after the other, he begins to realize that being an ordinary person could be harder than being an assassin.