Aonuma

Real Name: Ryo Aoyanagi
Age: 17
Height: 169cm
Combat Style: Cryogen
Manga Debut: Chapter 65

Aonuma is one of the leaders of Tanpopo and a member of the Nijibana Rainbow Flowers who is fifth among the Nijibana's in Hazakura efficiency, being at 366%.

Ryo Aoyanagi was a homeless boy who was neighbours with Hako who both lived in cardboard boxes on the same street. They both fought over food, space and warmth whilst they were together.

(Source: Mission: Yozakura Family Wiki)