Kuu Kuu Harajuku is a Japanese-influenced animated children's television series created by singer-songwriter Gwen Stefani. It is based on her Harajuku Lovers merchandise brand, and the show doubles as a brand itself, with a line of tie-in products by Mattel. The show follows a teenage girl group called HJ5 and their manager Rudie who live in a fantasy version of Tokyo called Harajuku City. HJ5 is a quintet: the four Harajuku Girls with their leader G. Episodes follow the band members and Rudie overcoming obstacles preventing them from performing.