Nana Sunohara: Aki Shiina (Cocoa in Is The Order a Rabbit?)
The three girls in their back are the members of the student council at Tanamachi Junior High: Yuzu Yukimoto (President), Sumire Yamanashi (Vice president), and Yuri Kazami (Secretary).
Yuri Kazami: Yume Miyamoto (Mahiru Kasumi in Aikatsu Stars!)