Mamono Musume Souguuki Case: Ratatoskr
[Kurobinega (Kenkou Cross)] Mamono Musume Zukan I -Monster Girl Encyclopedia- Vol. 1 [English]
[Mousou to Jounetsu no Oheya (Kaint)] Mamono Musume Koibana "Shirohebi Kitan" (Mamono Musume Zukan) [Digital]
(C92) [Madogiwa Works (Wasabi Yuuma)] Mamono Musume Souguuki Case: Dragon (Monster Girl Encyclopedia)
[Kurobinega (Kenkou Cross)] Mamono Musume Zukan II -Monster Girl Encyclopedia- Vol. 2 [English]
(C94) [Madogiwa Works (Wasabi Yuuma)] Mamono Musume Souguuki Case: Ratatoskr (Monster Girl Encyclopedia)[English] [Sneaky Translations]
[Hondake (tonfacat)] Boku to Mamono no Naresome-Banashi Ushi-Oni-hen (Mamono Musume Zukan) [Digital]
[Mousou to Jounetsu no Oheya (Kaint)] Mamono Musume Koibana 2 Selkie no Umi (Mamono Musume Zukan) [Digital]
(C90) [Kurobinega (Kenkou Cross)] Mamono Musume Zukan II ~Monster Girl Encyclopedia II~
(C94) [Madogiwa Works (Wasabi Yuuma)] Mamono Musume Souguuki Case: Ratatoskr (Monster Girl Encyclopedia)
