Samsara Online - Chapter 42 Destroyer Protection!

A very sweet entertainment circle novel about a closeted gong x fudanshi shou.

- Description from Novelupdates

After sacrificing his life to save another’s, 24-year-old Ryan Ray is pulled from his mundane world and dumped into a realm teetering on the brink of all out war.Tasked by a cryptic, angelic ‘spirit’, he’s given one job: protect a fragile world from a mysterious prophecy. But thanks to the spirit’s charmingly incompetent assistant, Ryan is dropped into the wrong world, a much, much more dangerous one.Will he rise to the challenge and become the hero this plant needs?Probably not. He’s just a human, after all.

Ashlock awoke in the courtyard of a demonic sect… as a tree.

A tree that eats people.

And one that grows stronger over time due to a daily sign-in system and cultivation.

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