Sage of Humanity - Chapter 16 - 14: Realm

Standing before you is—An outstanding instructor at Kanaz Pokémon Academy,The Devon Corporation’s psychologist,Team Rocket’s chief advisor,The true Pope of Team Plasma,Steven Stone’s life mentor,Lance’s close friend,Cynthia’s confidant,Mewtwo’s attending physician,And a Pokémon Professor—Johan!-------------Johan, a passionate Pokémon fan, unexpectedly transmigrates into the Pokémon world and takes on the role of a Pokémon psychology instructor.-------------

When I opened my eyes, I was inside a novel.

In a world where kingdoms rise and fall, a seasoned player unexpectedly finds himself transmigrated into the very game he once mastered—Caldera. However, his new life as a ruler comes with a crushing twist: severe debuffs and harsh restrictions on his talents make survival nearly impossible. Against overwhelming odds, he fights tooth and nail to carve out a legacy. Despite his brilliance in strategy and marvels in combat, failure becomes his ultimate fate.

In the year 1368, at the end of July, deep crimson shall descend from the heavens.

- Description from Novelupdates