(C84) [Akuten Soushin (Kokutou Nikke)] Udonge Shussan Yakubutsu Choukyou | Udonge Childbirth Drug Training (Touhou Project) [English] =Ero Manga Girls=

(Reitaisai 15) [Satellites (Satetsu)] Udonge, Ucchaimashita. | Selling Udonge (Touhou Project) [English] {Doujins.com}

(Reitaisai 15) [Satellites (Satetsu)] Udonge, Ucchaimashita. (Touhou Project)

(Reitaisai 14) [Inaka no Yasaiya (Hubrael)] Udonge Inn ni Youkoso - Welcome to UDONGE Inn!! (Touhou Project)

(C89) [Anmitsuyomogitei (Michiking)] Suwasete Kudasai Udonge-mama! | Let Me Suck On Them, Udonge-Mama! (Touhou Project) [English] [PSYN + Facedesk]

(Reitaisai 15) [Satellites (Satetsu)] Udonge, Ucchaimashita. (Touhou Project)

Udonge, Ucchaimashita.

(Reitaisai 15) [Satellites (Satetsu)] Udonge, Ucchaimashita. (Touhou Project) [Chinese] [無邪気漢化組]

(Reitaisai 15) [Satellites (Satetsu)] Udonge, Ucchaimashita. | Selling Udonge (Touhou Project) [English] {Doujins.com}

(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]