34comics, tagged Nipple Birth, most popular first
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Futanari Chinpo ni Shokushu SanranHaidara · 79 pages
Aijou no Injoku ElfKazuhiro · 238 pages
The Breeding Meat SeedlingsKazuhiro · 21 pages
Failed Sensory Deprivation ExperimentPandanuki · 131 pages
More Ponytail JK Taimabu RakugakiFan No Hitori · 9 pages
Hikikomori Nipple Fuck Failure StoryBuuta · 26 pages
Dungeon Travelers Tamaki no OyuugiChiba Tetsutarou · 22 pages
Kaguya the Sword Priestess Falls into a Tentacle Hell and Becomes a Breeding StockYumano Yuuki · 21 pages
Captured Elf Seedbed Bonus BookKazuhiro · 8 pages
Evil Huge Breasts Nursery ReportFan · 11 pages
Mahou Shoujo Clitoria ~Ku, Clitoris ga Yowaku Nante Nain Dakara ne!~Sasizume Soutarou · 18 pages
Failed ExperimentPandanuki · 32 pages
Majo ga Shokushu ni Kisei sa re Shokushu o Shussan shi Makuru HanashiTakizawa Taki · 72 pages
Sample H0539 Kouhai ReportObui · 10 pages
I'm Not A Bad Slime, Okay?Pandanuki · 51 pages
Usako-Sama Can Handle Such A Sensory-Deprivation Trap Without Breaking A Sweat!Shikoripa · 27 pages
Mori no oku niKiyoshi Gasuya · 12 pages
The Circle of Chippai Life!Pilaf Modoki · 28 pages
Shokushu Chireiden ~Komeiji Satori~Pandain · 26 pages
Chou Mushi Giga NiTouyou Zatsugidan · 66 pages
Shokushu Chireiden 3 ~Komeiji Koishi no Sakusei Chiryou~Pandain · 30 pages
Evil Huge Breasts Nursery Report }Thanuirealedit{Fan · 11 pages
Office Goki 3Smomo · 16 pages
Shock Shoku BreGure 4Dam · 45 pages
Shokushu Chireiden 2 ~Satori Kakuchou Kaihatsu~Pandain · 25 pages
Shock Shoku go BurigyuaDam · 104 pages
Asamiya athena from KOF and Kasumi from DOA are swallowed whole by a tentacleKaeru Douhu · 13 pages
Naedoko no numa - Seedbed SwampDew · 30 pages
Female Fighters are Transformed by the TentaclesKaeru Douhu · 42 pages
Wadatsumi-samaChiba Tetsutarou · 20 pages
Fusion Wars - To Save the Mankind! Dive into the Pregnancy HellEnueeru · 79 pages
A Moment of Carelessness Brings a Lifetime of PleasureHirowa Nagi · 22 pages
Shock Shoku BreGure 4Dam · 26 pages
Bestiary - Breastbug (ENG) =LWB=Ika · 5 pages