Yamamiya Kei

Yamamiya Kei (山宮圭 Yamamiya Kei) is a minor character in Cosmic Haven☆Pretty Cure! and Cosmic Haven☆Pretty Cure Rainbow Sky!. He is the son of Yamamiya Sora and Yamamiya Sekai and is Yamamiya Koharu and Yamamiya Akiko’s older brother. He is the prince of Millenium Heart and the so called "face of the kingdom".

Appearence
Kei looks very similar to his father, the only thing making them look different being the age difference.