Haruka is a ten-year-old Pokémon Coordinator from Touka City and a former traveling companion of Satoshi. She is the daughter of Senri and Mitsuko, and her starter Pokémon was a Achamo given to her by Dr. Odamaki.

Initially on a journey to meet new places, Haruka found her true calling in Pokémon Contests and made it her goal to become a Top Coordinator. She traveled through Hoenn and Kanto with Satoshi, Takeshi and her little brother Masato.

(Source: Bulbapedia)