Chiyu Sawaizumi, known as Cure Fontaine, is one of the main characters in the anime series 'Healin' Good Precure.' She is a calm, intelligent, and athletic high school student who excels in track and field and helps her family run an inn. As Cure Fontaine, the Pretty Cure of Water, she fights alongside her friends to protect the Earth from the Byogens, using her wisdom, compassion, and strong sense of responsibility to support her teammates and heal the world.