[Kinokonomi (konomi)] Nyancology 13 -Nekoda-san to Usami-san no Himitsu no Sessyoku- Bangaihen Douji Shuuroku "Usami-san to Umibe de Himitsu no Ecchi?" [Digital] [きのこのみ (konomi)] ニャンコロジ13 -猫田さんと宇佐美さんのヒミツの接触- 番外編同時収録「宇佐美さんと海辺で秘密のえっち？」[DL版]

(Mimiket 28) [KINOKONOMI (konomi)] Nyancology -Kaettekita Nekota-san no Himitsu- | Nyancology -Homecoming Nekota-san's Secret- [English] [Doujins.com]

(C85) [KINOKONOMI (konomi)] Nyancology 2 -Nekota-san to Himitsu no Asa Jijou- | Nyancology 2 -Nekota-san's Secret Morning Affairs- [English] [Doujins.com]

[Kinokonomi (konomi)] Nyancology 12 -Nekoda-san to Himitsu no Chikai- Bangaihen Douji Shuuroku "Succubus Nyan Nyan Niya-chan" [Digital]

(Mimiket 28) [KINOKONOMI (konomi)] Nyancology -Kaettekita Nekota-san no Himitsu- | Nyancology -Homecoming Nekota-san's Secret- [English] [Doujins.com]

(Mimiket 28) [KINOKONOMI (konomi)] Nyancology -Kaettekita Nekota-san no Himitsu- | Nyancology - Homecoming Nekota-san's Secret [English] {Doujins.com}

[Kinokonomi (konomi)] Nyancology 12 -Nekoda-san to Himitsu no Chikai- Bangaihen Douji Shuuroku "Succubus Nyan Nyan Niya-chan" [Chinese] [绅士仓库汉化] [Digital]

(COMIC1☆11) [KINOKONOMI (konomi)] Nyancology 6 -Nureta Nekoda-san no Himitsu- | Nyancology 6 -Nekoda-san's Wet Secret- [English] {Doujins.com}

(CSP6) [KINOKONOMI (konomi)] Nyancology 4 -Usami-san To Himitsu no Hokenshitsu- | Nyancology 4 -Usami-san And The Secret School Infirmary [English] {Doujins.com}

(COMIC1☆11) [KINOKONOMI (konomi)] Nyancology 6 -Nureta Nekoda-san no Himitsu- | Nyancology 6 -Nekoda-san's Wet Secret- [English] {Doujins.com}

(C90) [KINOKONOMI (konomi)] Nyancology 5 -Usami-san to Himitsu no Misshitsu- | Nyancology 5 -Usami-san And The Secret Room- [English] {Doujins.com}