Roya traveled to the world of One Piece and became Robin's childhood sweetheart and O'Hara's only survivor. However, he was unfortunately caught by World Government personnel in order to cover Robin's departure. He was only 8 years old at the time.
Because of his physical condition, he was chosen as a test subject by Vegapunk to study artificial devil fruits.
The first time he was subjected to human experimentation, Roja's consciousness sank.
Until twenty years later,
Roja, who didn't know how much artificial devil fruit energy was injected into him, suddenly opened his eyes.
Just after waking up, the pure physical power level is already comparable to that of a general!
In addition, Roja's sleeping system awakened together.
World Government: Unexpectedly, the biggest enemy is actually created by us.
...
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.