Mashiro is a 14 year-old girl who loves nature. With the power of her Sky Mirage, she transforms into Cure Prism. Along with her friends Sora Harewataru aka Cure Sky, Tsubasa Yuunagi aka Cure Wing, and Ageha Hijiri aka Cure Butterfly, she works as a hero to protect Princess Elle-Chan from villains like Kabaton and Battamonda. Her signature attack is called Prism Shot.