[Gensou Stomach (Taku)] Suwarete Nomarete Kogasa-chan (Touhou Project) [Digital]
Mad Kogasax
Suwarete Nomarete Kogasa-chan | Kogasa-chan Gets Sucked in and Swallowed
[Yaburi Dokoro (Hakano Shinshi)] Kogasa-chan no Shojo o Ubatte Haramase Mata Okasu Hon | The Raping, Impregnating and Popping of Kogasa-chan's Cherry Book (Touhou Project) [English] [Digital]
(C85) [Konnyaku Nabe (magifuro Konnyaku)] Tatara Kogasa Jiken (Touhou Project) [Chinese]
KogaSana wa Watashi no Paipaigasa
(C85) [Konnyaku Nabe (magifuro Konnyaku)] Tatara Kogasa Jiken | Tatara Gasacide Incident (Touhou Project) [English]
[Mikumosou (Yocchi)] Kogasa Seikatsu 2 (Touhou Project) [Digital]
(COMIC1☆4) [STUDIO Hamachigumi (Mizuki Hitoshi)] Sanae-san to Kogasa-san (Touhou Project)
[TAIL UP!] Ichaicha Sadezumu (Touhou)