Sayaka Okiura

Sayaka (清花), after her marriage name Sayaka Okiura (冲浦 清花, Okiura Sayaka), is one of the main characters of Kobato. series. She is the ex-wife of Kazuto Okiura whose main role is the manager and teacher of Yomogi Kindergarten and she has known Kiyokazu Fujimoto ever since he was seven when her family adopted him.