The Simple Life of Killing Demons - Chapter 99Book 12:

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.

Waking up, Kim Hajin finds himself in a familiar world but an unfamiliar body.

Seraphina spent her life as an unwanted orphan. At sixteen, the truth unraveled: she was the lost heiress of the powerful Lancaster family, stolen at birth and finally found. For the first time, she thought she’d have a home and a family.But the Lancaster mansion was colder than any orphanage, and her so-called sister made sure her life ended in silence and pain. Shunned by her new siblings and tormented by the one they called “daughter.” She was nothing but an outcast in a house of wealth and secrets.Until cancer took her life.However, death wasn’t the end.Seraphina awakens in her past, at her most broken and helpless moment. But this time, something has changed.She was stripped of her autism but still carried every scar. Seraphina tried to escape her nightmare, only to fall into the hands of a stranger with blood on his fists and secrets in his eyes.He knows her brothers. And this time, they are not letting her suffer alone.She may not believe in family anymore…But they believed in her and were ready to spoil her.

I became a mage character from my favorite game.