Chiya Houya

Chiya Houya (保谷 千夜, Houya Chiya) is the classmate and best friend of Maihime Shirayuki.

Etymology

 * The name Chiya means "thousand" (千) (chi) and "night" (夜) (ya).
 * Chiya's surname Houya means "protect, guarantee" (保) (hou) and "valley" (谷) (ya).