She first starts as a cold and isolated teenage girl loyal only to Moebius which, due to her behavior when she is defeated, can be seen as an obsession. After spending time with the girls as a spy, she begins to wonder what makes her happy and slowly opens up to them. Following a final battle with Cure Peach, her life was offered to fill the Life Gauge and she died. However, she was saved by the Akarun and Chiffon, and is reborn as Cure Passion. After agreement she lives with the Momozonos, joins the dancing group and attends Public Yotsuba Junior High School with Love.
Source from Wikipeida