Character Name : Senpai (voice)

Original Name : 星野源

Gender : Male

Character Name : The Girl with Black Hair (voice)

Original Name : 花澤香菜

Gender : Female

Character Name : Naoko (voice)

Original Name : 小清水亜美

Gender : Female

Character Name : Princess Daruma (voice)

Original Name : 悠木碧

Gender : Female

Character Name : Director of School Festival Operations (voice)

Original Name : 神谷浩史

Gender : Male

Character Name : Bookstore Shopkeeper Gabi (voice)

Original Name : 本多力

Gender : Male

Character Name : God of the Old Books Market (voice)

Original Name : 吉野裕行

Gender : Male

Character Name : Nise-Jōgasaki (voice)

Original Name : 諏訪部順一

Gender : Male

Character Name : Todo (voice)

Original Name : 山路和弘

Gender : Male

Character Name : Seitarō Higuchi (voice)

Original Name : 中井和哉

Gender : Male

Character Name : Ri Haku (voice)

Original Name : 麦人

Gender : Male

Character Name : Johnny (voice)

Original Name : 檜山修之

Gender : Male

Character Name : Don Underwear (voice)

Original Name : 秋山竜次

Gender : Male

Character Name : Kiko (voice)

Original Name : Seiko Niizuma

Gender : Male

Character Name : Kōsaka (voice)

Original Name : 中岡創一

Gender : Male

Character Name : Hanuki (voice)

Original Name : 甲斐田裕子

Gender : Female

Character Name : Keifuku Electric Railway Study Group Student (voice)

Original Name : 原田大輔

Gender : Male

Character Name : Sophistry Member (voice)

Original Name : 島田岳洋

Gender : Male