[Maruarai] Sontoku (VIPER RSR) Hentai (同人誌) [まるあらい(新井和崎)] 損得 (ふたなり VIPER RSR)

[Eternal Light] Ochita Sei Kishi - Maju Inbaku Hen (Viper RSR)

(C75) [Finecraft69 (6ro-)] Shinsekai Taisei - Seikishi Kyousei Jutai- (Viper RSR)

(C78) [Graf Zeppelin (Ta152)] VARIABLE VIPERS II -INFINITE PLEASURE- (Viper) [English] [EHCOVE]

[ETERNAL LIGHT] Ochita Sei Kishi Seishin Kanraku Hen (Viper RSR) [English] [EHCOVE]

Viper Official Art Book

[Rascou (Rusera)] Hanamichi Azemichi Vol. 2 "Tsuyokute mo On'nanoko Nandaka-ra" | Strong or Not, I Am Still a Girl (Viper RSR) [English] [EHCOVE]

[Rascou] Hanamichi Azemichi Vol. 2 (Viper RSR)

[Eternal Light] Ochita Sei Kishi | Ravaged Elf Knight (Viper RSR) [English] [EHCOVE]

[ETERNAL LIGHT] Ochita Sei Kishi Seishin Kanraku Hen (Viper RSR)

(C74) [Graf Zeppelin (Ta152)] Variable Vipers II (Viper)