Young Master's Regression Manual - Chapter 89: Resolve

We follow the story of Song Lang, a genius in the police field, who due to unfortunate circumstances caused by his mortal enemy, now assumes the identity of a driver named Chen Shi. Although he had wanted to live out his days as an ordinary citizen, fate has other plans in store him. Finding himself in the position of prime suspect to a case, he assists a police officer to uncover the truth. Follow the adventures of Chen Shi as he is plunged back into the world of bizarre homicide investigations. Will he be fated to meet his enemy once again?

If you enjoy murder mysteries such as the TV show “The Mentalist”, or anime like “Detective Conan”, then this novel is for you.

Other people's systems are all insanely badass, but Fang Chenyi's is all about picking up trash. But that's okay, because picking up trash can also yield all sorts of good things![Congratulations, Host, for picking up one toy car. You have been specially rewarded with a corresponding special item: one 'Lamborghini Sesto Elemento,' worth 23.12 million and one of only 20 in the world.][Congratulations, Host, for picking up a plastic bottle. The system rewards you with one hundred yuan.][Congratulations, Host, for picking up a dilapidated toy house. The system rewards you with a seaside villa.][Congratulations, Host, for picking up a Sun Wukong toy. The system rewards you with three magical monkey hairs.][Congratulations, Host, for picking up a dilapidated oil painting. The system rewards you with the authentic Mona Lisa.]

In the foreign world, the martial artists dominate the world and the sword of the emperor controls the fate of hundreds of millions of lives! Long Yu, the number one killer on Earth, after dying, takes rebirth in this new world in an aristocratic family of martial artists but faces rejection because he is unable to practice martial arts.

- Description from Novelupdates

After his fall, the Duke who was distant with his wife and daughter recalled his memories of another world. With a new perspective on life, he swore to cherish and protect those two.