あらすじ
A special side-story collection compiling various short stories originally created for birthday fairs, mail-in bonus booklets, and more!
あらすじはAniListより（英語）。
マンガ
"Kishukusha no Kuroneko wa Yoru wo Shiranai" Bangai-henshuu
RomanceSupernatural
A special side-story collection compiling various short stories originally created for birthday fairs, mail-in bonus booklets, and more!
あらすじはAniListより（英語）。
