[Kaimeiji Yu] Volunteer Breeding
(Underground Carnival) [Inyu-goya (Inyucchi)] Chitei no Yakata no Aigan Shoujo (Touhou Project)
The Chronicle of Mutsumi's Breeding School Club Activities
[Yonemochi Akihiko] adult challenge 1
Volunteer Breeding Ch.8
Chika Tougijou Sen - Underground Colosseum Sen 4 | 지하투기장 센4
[Takanabe Chitose] UNDER GROUND
[ground-k (Kaneda)] Kyou no Ounou (Durarara!!)
Hitsugi
(C90) [Kikyakudou (Karateka Value)] The Sarasa of Ground Zero (Granblue Fantasy)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen [English] [Sexy Akiba Detectives] [Digital]
(C62) [Anorak Post (Akiyoshi Yoshiaki)] Love Mao (Ground Defense Force Mao-chan)
Underground Athlete Maker
Futanari Elf no Tanetsuke Bokujou 1 | Futanari Elf Breeding Farm 1
Family Play 2 - Breeding
Shirubin pet dog breeding
(C69) [RED RIBBON REVENGER (Makoushi)] Valhalla ~ Dainishou~ Fuyu no Arashi (Spiral) [Digital]
Sunao ja Nai Kanojo to no Sesshikata
Lonely Playground 1-9
(ComiComi8) [GROUND-Zero (Inui)] Riro Seizen (Touhou Project)
(C80) [CRIMSON GROUND (Miyashiro Sousuke)] Mamitte Finale (Puella Magi Madoka☆Magica)
(C69) [RED RIBBON REVENGER (Makoushi)] Valhalla ~ Dainishou~ Fuyu no Arashi (Spiral)
Mutsumi-san no Hanshoku Katsudou Kiroku | The Chronicle of Mutsumi's Breeding Activities Ch. 1-5
ELF SLAVE CATALOG UNDERGROUND Vol.02
土方口マンホール 鳶編
[Tenma Femio] Yokkyuu Fuman no Hitozuma wa Onsen Ryokan de Hageshiku Modaeru 01-17 [Digital]
[Ushino Kandume] Horetara Make | You Love, You Lose. (COMIC HOTMILK 2019-02) [English] [Rotoscopic + Nero] [Digital]
Vtuber Sokuhame Kairaku Ochi Hon 2
(C86) [Gekidoku Shoujo (ke-ta)] Underground Blossom (Touhou Project)
(CSP6) [CRIMSON GROUND (Miyashiro Sousuke)] Mutsu Nee-chan ni Hokyuu de Bakuchin (Kantai Collection -KanColle-)
Aitazousei | Love Breeds Jealousy
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 5 [Chinese] [沒有漢化] [Digital]
Rinjin no bitchi hitodzuma o tsugō yoku bu~tsuokasu!
Slime Naedoko Komeiji Satori | The Slime's Breeding Stock Komeiji Satori
[hal] Aitazousei | Love Breeds Jealousy [English] [ATF] [Digital]
(C89) [Kuchiki no Uro (Enma Koorogi)] Lyrical Inbreeding (Mahou Shoujo Lyrical Nanoha ViVid)
[Risei] Ochita Majo ~Namekuji o Umu Tame no Hanshoku Ana~ | Fallen Witch ~The Reproduction Hole Used For Breeding Slugs~ (Ishu Koubi Zukan) [English] [desudesu] [Digital]
[Shinkirou Akatsuki (Itten Chiroku)] Dememan (Haunting Ground)
PRETTYUNKNOWN'S BATTLEGROUNDS
B.O.W. to Hito tono Kouhai Jikken Houkokusho | B.O.W And Human Crossbreeding Experiment Report
Ground Zero
(CR37) [St. Rio (Kitty, Kouenji Rei)] COSMIC BREED 3 (Gundam SEED DESTINY)
[Nakaji Hana] melting ice love ground (RAW)
End of an Era - Cross Breed
Sabbath wa Houkago, Chikashitsu de | The Sabbath happens after school, in the underground room
Jinbobo ~Abunai Shiiku Kansatsu ~ | Jinbobo ~The Dangerous Breeding Observation~
Chika Tougijou Sen - Underground Colosseum Sen 4
ELF SLAVE CATALOG UNDERGROUND Vol. 01
Ashford Gakuen Underground
[ffkan]Underground Battle 4
Igyou Koubi Kairaku Jigoku | Demon Breeding Pleasure Hell
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 5 [Digital]
[HG Chagawa] Chika Dorei No. 6 - Underground Slave No. 6 (ANGEL Club 2015-01) [English] [desudesu]
[Z-Ton] Bakumatsu Inbreed | Inbreeding of an Era (Bessatsu COMIC Anthurium Ningenigai ja Dame desu ka?) [English] [4dawgz + Thetsuuyaku] [Colorized] [Decensored] [Digital]
Sawari Tsukuse Manin Densha!
Theater Drama City
Minami Underground
(C89) [Yamaneko Jinja (John Inu)] UNDERGROUND ASCENDANCY (Touhou Project)
Volunteer Breeding Ch.3
[Bai Asuka] Boku no Kaa-san wa Yuujin no Mesuinu Ch. 1-3 [English] [biribiri]
(CR30) [SOFTCHARM (SOFTCHARM)] FULL-SWEEP EARLY UNDERGROUND (Various)
Naburare Vampire
[Cyclone] Kagami ni Mukau Shoujo (Magic Knights Rayearth)
[EKZ] Devil's Playground [English]
(SC17) [Aniki Teikoku (Fey Tas)] RADIANT SILVIASAN (Rikujou Boueitai Mao-chan)
[Sakamata Nerimono] Buta no Koubi Ch.1 | Sow Breeding (COMIC Shigekiteki SQUIRT!! Vol. 25) [English] {Doujins.com} [Digital]
[Sangetsushi (OKIRAM)] Mao no Carnival (Rikujou Bouei-tai Mao-chan)
[U.M.E.Project (ukyo_rst)] ELF SLAVE CATALOG UNDERGROUND Vol.02 [Digital]
[C's cheese] ANAN Gango no Miko (Tokyo Underground)
[St. Rio (Kitty)] SUPER COSMIC BREED 2 (My-Otome, Super Robot Wars)
Muryoru Kangoku | The Swarm Approaches the Wicked Prison
Kenryokusha ni Sakaraezu 2-koma Ochisuru Hon
[Nanno Koto] Ganbare Minaho-chan!
Chika 30m no Mitsugetsu o... | Honeymoon at 30 meters underground
[Aomizuan (Shimantogawa)] Geneki Joshidaisei to, Iyarashii Donkatsu (PlayerUnknown's Battlegrounds) [Ongoing]
Chika Tougijou Sen - Underground Colosseum Sen 5