Three-episode prequel to the upcoming movie told by three main heroines.
Director
Kana Hanazawa
Amano Tooko
Aya Hirano
Asakura Miu
Chiwa Saito
Inoue Konoha
Nana Mizuki
Kotobuki Nanase
Asami Shimoda
Mori Kurara
Kotono Mitsuishi
Sakurai Kanako
Mamoru Miyano
Sakurai Ryuuto
Susumu Chiba
Sasaki
