Pokémon Rebirth: Another Ash

The son of a Yakuza family reincarnates in the world of Pokémon as Ash Ketchum. Luckily he was hardcore Pokémon fan. But this world seems a lot different of the anime. Like the anime, manga and the games mixed here.
After reflexing about his situation and exploring his options. He decides the call for adventure is too much to ignore. Is the Pokémon world what can possible go wrong?
"Wait? Aren't things mora dangerous than I had seen- Oh fuck..."
*Warning canon Will be thrown out of the Window at the speed of light. Any resemblance with the anime Will be superficial or dissapear eventually. Example Pikachu Will eventually evolved, so be aware*