The Unvanquished: Child of Nihility - Chapter 12: First Mission Completed

Nine soul pets, nine fetters.

A hall of robbery souls, a bizarre adventure.

I looked down at them and they called me by my name.

I look up to the sky and write my legend.

“My name is Xia Lin, and I am the Lord of the Soul of Myriad Tribulations!”

- Description from novelbuddy

A supreme expert in the Immortal World had died, and a strand of his soul returned to its original body on Earth. Tang Xiu discovered with amazement that ten thousand years passed in the Immortal World, yet only a single year passed on Earth.

Ruthlessly betrayed by his lover and trusted friends, Tang Xiu found that his soul went back to his previous body on Earth, and, despite he spent 10,000 years in the Immortal World, just a year has passed on Earth and many things have changed. Having an unsurpassed knowledge, Tang Xiu will protect his loved ones and go back to the Immortal World to take his revenge.

- Description from Novelupdates

A cold and homophobic top matched with a person he hated on a dating app, and discovered that the other was even more clingy than he thought!

Ukei Kaito fought a desperate struggle in order to fulfill his role as a summoned hero. He defeated the Demon Lord and saved the very world, only to meet an end filled but with betrayal. The companions that he’d trusted throughout his journey betrayed him and killed him by sticking a blade through his chest.