Florian is a boy who recently moved to the Paldea region with his mother, and now lives in the small settlement of Cabo Poco. One day, he leaves home to start studying at Naranja Academy S / Uva Academy V in the region’s biggest city, Mesagoza. Along the way to the academy, Florian and his neighbor, a Champion -ranked Trainer named Nemona, encounter a mysterious Pokémon named Koraidon S / Miraidon V, as well as Arven, another academy student, who gives Florian the Pokémon’s Poké Ball.

https://bulbapedia.bulbagarden.net/wiki/Florian_(game)