I am constant as the song of a thousand crickets

I came from the bottom and now I'm on top, I cut through the game, non-stop, from coast to coast I drop, You love hearing me, you can't make it stop. ▰▰▰▰▰▰▰▰▰▰▰▰▰▰▰▰▰▰▰ Plot: After becoming the Pokémon League Champion and completing the regional Pokédex, you decides to spend…