Midorikawa Nao (緑川 なお Midorikawa Nao?) (April in the English Dub Glitter Force) is one of the main Cures in Smile Pretty Cure!. She is a girl with a strong sense of justice, and has no tolerance for wrongdoers. An older sister-type, she is popular even with the girls. While tough, she also has a feminine side, as she loves cute things.
Nao is said to have a strong sense of justice and does not easily forgive one's wrong actions. She is also known for her exceptional courage. Despite her bravery, she is a scaredy-cat and is scared of bugs (especially pillbugs), heights and ghosts