CLEAVER OF SIN - Chapter 269: Omni-Arm Synchrony

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

This novel features: Bloodlines, multiple races, world-hopping, cultivation, magic, contracted beasts, kingdom-building, and brutal wars.Sollivan, a young man in his early twenties, miraculously survived the complete annihilation of his family—but at a terrible cost. Bound to a wheelchair, he is unable to live a normal life like his peers. Worse still, he lost all his cultivation, becoming nothing more than a powerless mortal in a world ruled by absolute strength.But fate had other plans...By sheer chance, he acquires a mysterious black book—one that grants him the ability to travel to another world, a realm governed by entirely different laws, where power is determined by strange bloodlines and overwhelming physical might. A world ruled by a superior race that looks down on weak humans.Trapped between two worlds, Sollivan finds himself entangled in sinister plots and terrifying secrets beyond human comprehension. Yet, the cunning young man who rose from the ruins of his tragic past sees this as an opportunity to reclaim his shattered destiny. As he pursues power and vengeance, he struggles to hold onto his humanity, which both worlds seem determined to strip away, forcing him to confront the fragility of his own soul.But can he manipulate both worlds to his advantage, or will his ambition lead him to ruin? In a reality where only the strongest survive…

Entering Tokyo in the bubble era, in this strange era, the only familiar ones are Matsuda Seiko, Nakamori Akina, Kudo Shizuka…

- Description from novelbuddy

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.