Kaho Mizuki, known to many as "Mizuki-sensei," is a current teacher of Sakura Kinomoto and her classmates at Seijou High School and the former lover of Touya Kinomoto. She journeyed with Eriol Hiiragizawa back to England between the events of Cardcaptor Sakura and "New Trials of Cardcaptor Sakura." She reappears as a supporting character in Arc 3.