Watashi, Makenai! ~Haruka no Theme~ is the final Pocket Monsters Advanced Generation ending and it features Haruka's voice actor KAORI, singing the song. The ending chronicles the events and trials Haruka has to face in order to be successful as a Pokémon Coordinator.
The ending begins with Haruka holding a Poké ball and saying "STAGE ON!" as she releases the ball. A spot light highlighting Haruka and her Pokémon running starts the next scene as Haruka points into the air. Satoshi, Takeshi, Masato and Pikachu cheer her on as they shout "LET'S GO!".
Different facial poses of Haruka are shown in ice during the next scene as she smiles and winks on the final pose and her Gonbe smashes the ice.
Haruka and her Pokémon are seen running in a valley with mountains in the background as it transitions to Haruka standing by herself with light beams surround her. The next few scenes feature Haruka and each of her Pokémon separately as they do their contest moves.
In one of the final scenes, Haruka is seen eating ramen as the empty bowls begin to pile up in front of her. The final picture feature Haruka in the middle with all her Pokémon with her friends, rivals and enemies surrounding her.