Valkyrie's Shadow - Chapter 11Birthright: Act 1,

The third young master of the Gu household, Gu Ye, had a wooden personality, a stuttering speech, couldn’t remember an answer after being told ten times, didn’t dare to protest after being bullied, was considered the shame of high society. His father, in a fit of anger, sent him back to the old home in the country for the new year. But unexpectedly, he came back like a new person, in half a year testing into the top university of the capital with the highest score in the whole school.

Lingyun, a fierce and savage cultivation genius takes over a dead teenager’s body. Coincidentally, they are both named Lingyun. Set in a alternate version of the 21st century, teenager Lingyun has been killed by someone with a grudge.

- Description from Novelupdates

Wu Jin, as a trainee from a certain entertainment company, had a peerless, stunning face. He was qualified to debut as a C-Rank performer even if he just sat there and did nothing.

After signing up for a certain talent show, the shining path to stardom beckoned to him––

Wu Jin: Hold on, why is this show different from what we agreed on? Wasn’t it supposed to be about jumping around, dancing, and singing songs? Why do you have to send me out into the wilderness…

Program Producer: You’re a once-in-a-century high appearance value competitor! We’re relying on you to save the program’s ratings!

Wu Jin: … I seem to be on the wrong show. Wait a minute, this isn’t an idol show, it’s a fighting survival reality show ahhh!!

Ten months later, the little cutie who had been thrown into the show––
Turned into a human weapon.

Powering up through various instances, slight entertainment circle elements.

Extremely overpowered gong x little cutie who grows to become an overpowered shou.

Completed Instances
Round One – Wilderness Survival
Round Two – Cellular Spaces
Round Three – Tarot Card Formation
Round Four – Cretaceous Period Revival
Round Five – Palace of Versailles
Round Six – Time Warp
Round Seven – Ancient Talent Show

A brief single sentence introduction: Debut! Survival reality show!

- Description from Novelupdates