Black String of Fate - Chapter 1: Demon King/Xavier (Prologue)

Xiao Ze, who was dedicated to the people and vowed to become a generation of Ming Jun, accidentally fell on a little lady.
The little lady was born beautiful and lovable.
So Xiao Ze accepted his life and got the name of fear.

ps:
①The male protagonist has no concubine, and he is dedicated to serving the country.

- Description from novelbuddy

In the City of Crime, one law stands above them all: Only the strongest can live.

Soldier King Li Qiang, who was part of the Special Forces ace army's Winged Dragon commandos, had accidentally broken the relationship between his fiancee and his adulterer and had lost his life because of this! Under the effects of the treasure, he was reborn as a normal high school student, and actually discovered that the school beauty, Lin Ya Shi, was the daughter of his fiancee and his adulterer. In order to take revenge on his enemy, he used the opportunity to get close to the Lin family while the school beauty was his bodyguard, but he discovered that a huge crisis was approaching everyone …