
Gen Hoshino
Senpai (voice)
Acting

Kana Hanazawa
The Girl with Black Hair (voice)
Acting

Ami Koshimizu
Naoko (voice)
Acting

Aoi Yuki
Princess Daruma (voice)
Acting

Hiroshi Kamiya
Director of School Festival Operations (voice)
Acting

Chikara Honda
Bookstore Shopkeeper Gabi (voice)
Acting

Hiroyuki Yoshino
God of the Old Books Market (voice)
Acting

Junichi Suwabe
Nise-Jōgasaki (voice)
Acting

Kazuhiro Yamaji
Todo (voice)
Acting

Kazuya Nakai
Seitarō Higuchi (voice)
Acting

Mugihito
Ri Haku (voice)
Acting

Nobuyuki Hiyama
Johnny (voice)
Acting

Ryuji Akiyama
Don Underwear (voice)
Acting
![Seiko Niizuma]()
Seiko Niizuma
Kiko (voice)
Acting
![Sōichi Nakaoka]()
Sōichi Nakaoka
Kōsaka (voice)
Acting

Yuhko Kaida
Hanuki (voice)
Acting

Daisuke Harada
Keifuku Electric Railway Study Group Student (voice)
Acting

Takahiro Shimada
Sophistry Member (voice)
Acting