(C90) [KINOKONOMI (konomi)] Nyancology 5 -Usami-san to Himitsu no Misshitsu- | Nyancology 5 -Usami-san And The Secret Room- [English] {Doujins.com}
(COMIC1☆13) [KINOKONOMI (konomi)] Nyancology 7 -Kitsunegawa Kon to Himitsu no Kenkyujo-
(CSP6) [KINOKONOMI (konomi)] Nyancology 4 -Usami-san To Himitsu no Hokenshitsu- | Nyancology 4 -Usami-san And The Secret School Infirmary [English] {Doujins.com}
(Mimiket 28) [KINOKONOMI (konomi)] Nyancology -Kaettekita Nekota-san no Himitsu- | Nyancology -Homecoming Nekota-san's Secret- [English] [Doujins.com]
(COMIC1☆13) [KINOKONOMI (konomi)] Nyancology 7 -Kitsunegawa Kon to Himitsu no Kenkyujo- [Chinese] [绅士仓库汉化]
(COMIC1☆11) [KINOKONOMI (konomi)] Nyancology 6 -Nureta Nekoda-san no Himitsu-
(C85) [KINOKONOMI (konomi)] Nyancology 2 -Nekota-san to Himitsu no Asa Jijou- | Nyancology 2 -Nekota-san's Secret Morning Affairs- [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- [Chinese] [绅士仓库汉化]
(Mimiket 28) [KINOKONOMI (konomi)] Nyancology -Kaettekita Nekota-san no Himitsu- | Nyancology - Homecoming Nekota-san's Secret [English] {Doujins.com}
