Shinji Matou at Your Service - Chapter 1109: Interlude - Altera Maid (Part 1)

Crossing to One Piece world, he became Roger’s younger brother.

Unexpectedly, Gol-D-Roger who was in his fifties had a teenage brother. But he was so weak.

Fortunately, at the age of sixteen, he actually found himself with a possession soul system.

He had attached to the master IP man, also to the White Phoenix and to Ge Nie with his strong ability of the Hundred Step Flying Sword.

If you think that he can only Purchase these? Then you’re wrong!

Pain, Itachi, Ichigo Kurosaki, as long as there is money, any soul can be Purchased.

- Description from Novelupdates

"What you do in life, Echoes in Eternity."

The System, who goes by the code name, Thirteen, defied the System God in order to give his previous Hosts’ the chance to change their Fates.

Unfortunately, he was killed by his Father, the System God, and was sent to the world of Pangea to struggle like the Cannon Fodders that he fought so hard to protect.

Armed with his knowledge as a System, Thirteen vowed to change not only his Fate, but the Fate of others whose destinies were tied up with him.

In a world torn by power and corruption, a fallen System will bring out a symphony of change, or lead it to its destruction.

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