However, there's no official Pokémon game called "Flora Sky." It's possible you're thinking of a fan-made game or a different title entirely.
To help me understand what you're looking for, could you please clarify:
* What is the full name of the game?
* Is it a fan-made game or an official Pokémon game?
* What is the second gym leader's name?
Once I have this information, I can give you more specific advice on what to do after beating the second gym leader!