MTL - I Became Invincible After Getting Rejected For 100 Time - Chapter 313 Desperate? reinforcement?

Born with RH-null blood group, living among the extraordinary vampires, who could perform wonderful feats and possessed magic...Kayden was simply an incapable vampire!

On the halloween night in his school, Kayden explored the biggest perk which came with his incubus blood!

“So, I can charm girls and make them yearn for my touch!? From where should I start now?”

Pairing up with his succubus partner he was determined to find the cause of his mutations. Until unnatural murders occurred from his wrong touches!

Intimacy, blood, life force, he has all the options to stand atop of everyone. Unbeknownst to him that his peculiar blood is desired by all the existing races, as powerful elixir!

Being able to see into people's past has no real appeal for the teenager this story is about, letting him use it only as amusement and to show off when he was drunk.Never watch into someone's past beyond a superficial level.Never try to find out more than you should.NEVER. EVER. LOOK. INTO. THE. FUTURE.But everything changed the moment he was forced to look into the future, was forced to investigate a murder, and was forced to make the acquaintance of the victim's twin brother('s fists).The more time passed, the more it appeared that the primary reason for this murder wasn't a local problem, but a global one.This single, marred corpse was the beginning of a threat that would shake the world.(MC looses a screw when he enters the prison)BL, first-person view; MC is shuo (perhaps even a reversible couple); love interest falls in love first; both MC and ML are straight, mutual bending, Enemies to Lovers

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

I was a failed experiment