Sagara Erin

Sagara Erin (相良エリン) is one of the main protagonists in ShiawaseCharge Pretty Cure!. She is 14 years old girl, who she is unusually passionate girl, she is able to get into any mood easily, and loves to make others laugh. Rio's alter ego is Cure Flare (キュアフレア) and her form change is the range Hip-Hop Berry (ヒップホップベリー).

Personality
Erin is very hyper and energetic girl, who she attends as a member of Hinata Sports Club at Pikarigaoka Middle School. Erin is an unusually passionate girl, she is able to get into any mood easily, and loves to make others laugh. She is more a tomboyish girl as she hates cute and girly. She is very great at soccer, tennis, and basketball. While never stated Erin's grades are said to be in the top 15, she is bad at studies and terrible at school.

Transformation
"Let's Go! Pretty Cure! Mirror Mirror Change!" - is the official transformation speech used by Sagara Erin to transform into Cure Flare in ShiawaseCharge Pretty Cure!