(C84) [Akuten Soushin (Kokutou Nikke)] Udonge Shussan Yakubutsu Choukyou | Udonge Childbirth Drug Training (Touhou Project) [English] =Ero Manga Girls=
(C72) [Tiger 79 (Kagurazaka Nagu, Matra Milan, Sensouji Kinoto)] Hiyashi Udonge Hajimemashita. (Touhou Project) [English] [desudesu]
[Hiyashi Chuuka Owarimashita (Zuru)] RemiSuka Remilia ga Suika-wari wo Suru Hanashi (Touhou Project) [Digital]
[Hiyashi Chuuka Owarimashita (Zuru)] Toori Marisa ni Ki wo Tsukero 2 (Touhou Project) [Digital]
(Kansai! Kemoket 2) [Hiyashichuuka Hajimemashita (Oudon)] Candy Galyak [Chinese] [兔屋汉化组]
(Puniket 4) [Hiyashi Chuuka Hajimemashita (Zenzai Monaka, Terauchi Takahiro)] Doremi-chan wa Watahi no Mono 1 Onpu-hen (Ojamajo Doremi)
(C72) [Tiger 79 (Kagurazaka Nagu, Matra Milan, Sensouji Kinoto)] Hiyashi Udonge Hajimemashita. (Touhou Project)
(Reitaisai 14) [Inaka no Yasaiya (Hubrael)] Udonge Inn ni Youkoso - Welcome to UDONGE Inn!! (Touhou Project)
(Reitaisai 7) [Shimoyakedou (Ouma Tokiichi)] Eirin no Kusuri de Udonge ga Hidoi Meniau Hon | Terrible things happen to Udonge due to Eirin's drugs Book (Touhou Project) [English]
