Shiina

Shiina is Ryou's friend from middle school. She is one of the students of the art prep school both Ryou and Kirin also attend and lives with an old family in the metropolitan area. She is physically fragile, but is a beautiful girl who is cool and has mysterious atmosphere. She meets Ryou because they are in the same class together, and she knows Kirin from flower viewing in the park. She is accepted to the same high school as Rin and Kirin. Thanks to her cooking skill, she builds up a circle of friends besides Kirin and Ryou.

(Source: Wikipedia)