The Crimson Duke of War: Historian In Another World - Chapter 51: The Main Character...?

Before transmigrating to this world as a student in forensic science major 4 years ago, Jiang An was already a university professor in this area. Now, with full marks in all courses, he graduates and joins the Jiangcheng City Public Security Bureau, becoming a forensic doctor.“Everyone is free to express their opinions; whether supporting or opposing the suicide conclusion, feel free to speak up.”“It's definitely suicide!”“High school pressure is huge nowadays!”“Mr. Li! I believe that this female student, Li Rui, did not commit suicide! She was hung after death!” said Jiang in a deep voice.

Huang Dan’s pain nerve is innately different from the ordinary people. A little tore in his skin can cause him to sweat all over his body painfully to the point of him unable to make a word out.

Somehow, he began to cross world, following Mr. System to do the tasks…

In the first world, Huang Dan realizes what it means to die painfully and to live to die again.

TL’s summary:
MC suddenly transmigrated and is bind to a system, requiring him to solve mysteries. Born with a higher degree of pain sensitivity, he met different people in the different worlds and learns what kind of emotion smiling is.

- Description from Novelupdates

Sincere is transmigrated person, who gain a magical tiger eye in his left eye. with this eye he decided to change his ending and became the richest person