Destroyer of Ice and Fire - Chapter 592: Jean Camus’s Greatest Secret, Body Swap Domain!

I met the male lead in prison.

Zhu Kang, a trafficked soul, was captured by an evil organization and was stripped of his real memories. Unaware of the dangers he worked for this evil corporation as a system.One day, all of a sudden, fifteen men dressed in black started a shoot-out killing all the other systems.In desperation, Kang threw himself into a transmigration device that tossed his soul into a random world.“System 202 has escaped.... a-again.....” one of the black-clothed men said. Trembling, he glanced at their team leader.Kai Alden gritted his teeth. “You let him slip away so easily! Send me into that world. I will capture my dear System and bring him back here,”

A man was transported to Ancient China and eventually became a servant of a declining household without a male heir. He utilized his wits and modern knowledge to help the household and eventually become trapped in the sea of political turmoils of the period.

- Description from Novelupdates

Shao Di Yu, an orphan, is adopted as a result of of a murder case involving the deaths of his entire family. Because of some painful experiences, he refuses to speak. However, he has sharp insight; moreover, he becomes under the care of a pair of twin brothers in the police force, who also have a child currently in university. Yu Yin possesses yin-yang eyes, which allow him to see things ordinary people cannot. The two brothers happen to complement each other, and together they investigate various inconceivable incidents.