Stan!

"In Taisho-era Japan, kindhearted Tanjiro Kamado makes a living selling charcoal. But his peaceful life is shattered when a demon slaughters his entire family. His little sister Nezuko is the only survivor, but she has been transformed into a demon herself! Tanjiro sets out on a dangerous journey to find a way to return his sister to normal and destroy the demon who ruined his life."--

Hareta, raised in the wild by Pokémon, decides to become a Pokémon trainer and sets out to find the legendary Pokémon Dialga, but time is of the essence as he must find it before the evil Team Galactic does.