二階堂 藍

Likes: Yuuma, bikes
Dislikes: Nothing
Favorite food: Miso soup
Dislikes food: Bitter foods

Shinku's twin sister. She never leaves someone alone if she finds that the child is in trouble. Always has a smile on her face. Her specialty, or belief, is to bring a smile to someone's face. Quite energetic, despite her petite body. She's in love with her childhood friend Yuuma.