Kodomo to Okuchix!
[Marui Maru] Chiralism no Owari - Chiralism is End. (Shita no Okuchi de Chu Chu Shiyo) [English]
Shita no Okuchi de Chu ♥ Chu ♥ Shiyo | Let's Kiss With The Lower ♥ Mouth Ch.1
[NAVY (Kisyuu Naoyuki)] Okuchi no Ehon Vol. 36 Sweethole -Lucy Lucy- | Picture Book of the Mouth Vol. 36 Sweethole -Lucy Lucy- Mouth is Lover (Fairy Tail) [English] [EHCOVE] [Digital]
Shita no Okuchi de Chu Chu Shiyo Ch. 1-5
(C66) [Kaiten Sommelier (13.)] 18 Kaiten Okuchi to Shiri no Toughness (Daphne in the Brilliant Blue)
Gudako-chan ni Okuchi de Gohoushi Shitemorau Hon
(Kouroumu 8) [Satellites, Gokusaishiki (Satetsu, Aya Shachou)] Jutai Kokuchi (Touhou Project) [English] [Incomplete]
Okuchi to Ketsu kara Plus o Sosogu Hon
[Calpis Koubou] Okuchi Seieki [Digital]