Izayoi Riko (十六夜リコ?), officially Izayoi Liko, is one of the three main Cures in Mahou Tsukai Pretty Cure!. She's a second-year student at Magic School in the Magic World and also attends Tsunagi First Middle School in the No Magic World again as a second-year student.
Riko's alter ego is Cure Magical (キュアマジカル?). Her catchphrase is "All according to my calculations" (計算通りだから?).
Her Pretty Cure partner is Cure Miracle.