Plagued by bad reviews, but the top actress! - Chapter 747: Someone Covets My Husband

In a world of endless star fields and interdimensional wars, the wizards' floating city conquered one world after another.At the wizard academy, through blood-stained exams, the towering wizard tower sent wizards batch after batch.Becoming an apprentice wizard, Richard activated the miracle furnace deep within his soul, where constant refining of materials granted him knowledge and skills...The veteran's weapon could be refined into legendary martial arts techniques.The ancient wizard's encrypted notes could be refined into lost knowledge.The remains of brutal monsters could be refined into monster bloodlines.In this era of great voyages in the wizarding world, Richard was destined to become a leader of his time.

The red meteor shower rained across the sky, a black fog engulfed the world.

After waking from a night of torture and agony,

Humans discovered they no longer dominated the world.

—The hunters have become the hunted.

After the apocalypse, I struggled for survival for ten bitter years, but ultimately couldn’t escape death.

But when I opened my eyes again, I had transformed from an ordinary 35-year old woman into a beautiful young man of 18.

A different gender, a world that is both familiar yet not, an apocalypse that has vanished without a trace, and an unexpected return of 17 years of youth.

Looking around, I discovered I had a powerful, protective big brother and a gentle, charming little sister.

Just as things couldn’t possibly look any brighter—

The end of the world came crashing down again.

And this time around, is it fight? Or flight?

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

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.