紙山さんの紙袋の中には (Kamiyama-san No Kami Bukuro No Naka Ni Wa Light Novel)

紙山さんの紙袋の中には (Kamiyama-san No Kami Bukuro No Naka Ni Wa Light Novel) is a 0-book series with contributions by Abyss Enoshima and Raffaele Sansone.