Girl's High: Fumino Sato, Mari Saionji, and others.

Fumino is the older sister of Ayano.  She supports Ayano and Takanori's relationship; but, she does not have much luck with the dating scene herself.

Mari is a long time rival of Akari and is often an antagonist for the gang.

Nao with the blue hair and Sayaka with the long hair.

A couple of picture of unnamed girls playing volleyball.