Yuna is a 9 year old girl who practices in the art of karate. Yuna is the best friend of Stitch and younger sister of Zuroko. Yuna started of living with her grandma, Obaa, and rans the dojo left to her by her grandad due to her father doing work far away from her. In season 2, Yuna moves in with her sister in the city, New Town.
Yuna's character was there to replace the role of Lilo for Japan wanted another cartoon series only set in Japan.