Pokémon: The Absolute Trainer

A young man is reincarnated into the Pokémon world as Giovanni’s son and sets out to become the new boss of Team Rocket. Under the name Damian, his organization shakes the region after the Saffron City battle, where several Champions are taken out of action. Amid rumors and scandals, he’s also accused of “kidnapping” Cynthia—but Damian denies it, insisting they’re together by choice and that she’s temporarily stepped away from the Champion role — Description from novelcodex.org