MTL - Please Start Your Show - Chapter 51 The fifty-first attack:

A teenager who unexpectedly gets transported to the modern world from ‘the world of the immortals’ . He finds himself in the body of an ordinary guy. He wants to go back to his world and for that, he will have to practice to get stronger and investigate the reason why and how he crossed through to this world.

- Description from Novelupdates

His name was Brayden Neal, and he was an ordinary citizen. At eighteen years old, he was bestowed the title of a king!

After ten years of fighting in the northern borders outside the kingdom, he finally returned home. He swore to kill three people the moment he arrived at the capital…

For Cain, the promised land of opportunity in the Pokémon World was not the paradise he imagined. Instead, he fell into the hands of the sinister Team Rocket, a prisoner on an island where darkness devours hope.However, even in the most desperate moments, fate did not abandon him entirely. A strange twist brings him back to the beginning of it all, to the place where his dreams were buried under the shadows.Now, with the knowledge and scars of his previous life, Cain has the chance to correct the course of his destiny.Free from the chains of the past, he must forge his own path in a world full of mysteries and dangers. With new allies and old enemies, the battle for his freedom will not be easy, but Cain has decided that this time he will not fail. Neither against the Pokémon nor the humans who stand in his way.