Pokemon - Ultimate Frontier Trainer (ADOPTED)

After his loss to the Kalos Champion, Ash starts doubting if he can fulfil his dream about becoming a Pokémon Master. After contemplating on what to do, he remembers when he beat the Battle Frontier where Scott gave him the choice of joining it himself, that's when he knows what to do next if he can't become a Pokémon Master; become the Ultimate Frontier Brain. Ash x Harem, Harem