Pokémon: Diancie, Princess of the Diamond Domain

Pokemon XY: Koukoku no Princess Diancie

In order to save the Diamond Ore Kingdom from certain danger Princess Diancie and the Carbink who serve as her butlers set off together on a journey to find the legendary Pokémon Xerneas. But who is that waiting for them on the road ahead...!? (Source: Pokémon Wiki)