High-King is a Hello! Project unit that was formed in 2008 to promote Morning Musume's fall musical, "Cinderella the Musical."
Members:
* Ai Takahashi (高橋愛) (Morning Musume)
* Reina Tanaka (田中れいな) (Morning Musume)
* Saki Shimizu (清水佐紀) (Berryz Koubou)
* Maimi Yajima (矢島舞美) (°C-ute)
* Yuuka Maeda (前田憂佳) (Hello! Pro Egg)