Reincarnated Mercenary on Duty - Chapter 28: Face Slapping

The queen’s essential feature is this: [must be a woman or a feminine-looking man].

The world is a place full of mystery, and many ordinary people live their entire lives without ever glimpsing even one percent of its truth.The fate of one family was destined to be average until one rainy night, when a family member arrived at the newly married couple's door with a child born out of wedlock.Terra was about to undergo an upheaval because... the strongest was born!---------------------This is the story of Kaizer Lunin, a young man born with a special ability that causes him to suffer from mild antisocial personality disorder.A brush with life and death awakens this power fully, turning him into one of the strongest Espers in the world!However, this also thrusts him into the hidden parts of the world, where secret societies, powerful factions, and the government clash in their bid to claim the empty title of 'strongest Esper'—a void left by a certain someone.And maybe, if he doesn’t die prematurely, Kaizer has a shot at that title himself!

The ordinary world is not ordinary, ordinary people are not ordinary, and safe places are not safe.

This is a story of a passer-by male protagonist who is entangled by various girls with strange hobbies or even non-human beings while surviving in the cracks and opening a harem.

- Description from novelbuddy

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