(C90) [KINOKONOMI (konomi)] Nyancology 5 -Usami-san to Himitsu no Misshitsu-
[Tokutan Biyori] Konoe ga Sonna Koto o! (Kono Naka ni Hitori, Imouto ga Iru!)
(C90) [Kinokonomi (konomi)] Djeeta-chan Panpan (Granblue Fantasy) [English]
[RACK&PINION (Iogi Juichi)] Konoe ADVENTURE (Kono Naka ni Hitori, Imouto ga Iru!) [Digital]
[A.O.I (Dot-R)] Koko ni Hitori Damasareta Imouto ga Iru. (Kono Naka ni Hitori, Imouto ga Iru!) [Digital]
Kinokonomilk 16
(C90) [KINOKONOMI (konomi)] Nyancology 5 -Usami-san to Himitsu no Misshitsu- | Nyancology 5 -Usami-san And The Secret Room- [English] {Doujins.com}
Kono Aozora ni Yakusoku official artbook
Kinokonomilk 17
(C90) [KINOKONOMI (konomi)] Nyancology 5 -Usami-san to Himitsu no Misshitsu- [Chinese] [绅士仓库汉化]
