Also known as: 緑川なお
The green-haired girl in Smile Precure! who has a strong sense of justice and an 'older sister' disposition, but also hides a girly side. She transforms into Cure March. Bears a striking physical resemblance and Name Connection with Midorikawa Ryuuji from Inazuma Eleven.
She is the oldest of 7 siblings, born in the following order:
- Midorikawa Nao
- Midorikawa Keita
- Midorikawa Haru
- Midorikawa Hina
- Midorikawa Yuuta
- Midorikawa Kouta
- Midorikawa Yui (born in episode 42)