[St. Rio (Kitty, Kouenji Rei)] COSMIC BREED 5 (Gundam SEED DESTINY) [Chinese] [零食汉化组]
[Z-Ton] Bakumatsu Inbreed | Inbreeding of an Era (Bessatsu COMIC Anthurium Ningenigai ja Dame desu ka?) [English] [4dawgz + Thetsuuyaku] [Digital]
Underground Hotel ~Cross Over~
Vtuber Sokuhame Kairaku Ochi Hon 2
(C69) [RED RIBBON REVENGER (Makoushi)] Valhalla ~ Dainishou~ Fuyu no Arashi (Spiral)
[Kyockcho] Maiden Breed (COMIC BAVEL 2016-10) [English] [Sydin] [Digital]
Horse Girl Breeding Show
Underground wrestling
(CR32) [Kyomu no Uta (Satou Toshio)] GENERAL FOUL-UP (Various)
(C71) [ARESTICA, D.N.A.Lab. (Ariko Youichi, Miyasu Risa)] Velvet Underground (Sumomomo Momomo)
(Reitaisai 9) [ORANGE CHANNEL (Aru Ra Une)] Satori-sama no Ningen Shiiku-Roku | The Record of Satori-sama's Human Breeding (Touhou Project) [English] {Sharpie Translations}
(C89) [Kuchiki no Uro (Enma Koorogi)] Lyrical Inbreeding (Mahou Shoujo Lyrical Nanoha ViVid)
[青水庵、四万十川、準社員井上] 現役女子大生と、いやらしいドン勝 [Ongoing]
Ningen wa oroka
[Yanje] - Monster Breeding Plant - (Fate/Grand Order) [English] [UncontrolSwitchOverflow]
Breeding with ape
Otokonoko ga Futanari JK DeliHeal o Yondara Byou de Mesu Ochi shichaimashita.
土方口マンホール 鳶編
(C74) [Nekopunch Bashibashi (Mogudan, Nyangorou)] Under Ground
]NUDEGIRL | 超裸女
[CRIMSON GROUND (Miyashiro Sousuke)] Maeyo Kochou Yawahada wa Odori Kagaribi no Gotoku (Granblue Fantasy) [Digital]
[Aomizuan (Shimantogawa)] Geneki Joshidaisei to, Iyarashii Donkatsu (PlayerUnknown's Battlegrounds) [Ongoing]
[Undergroundou] Haru no Shura - Seifuku Shounen to Geshuku Daigakusei no Ikenai Kankei -
Lonely Playground 1-5
Sabbath wa Houkago, Chikashitsu de | The Sabbath happens after school, in the underground room
[Somejima] Ishu Kan Kouhai Bokujou | Interracial Rape Breeding Farm (Bessatsu Comic Unreal Ningen Bokujou Hen Vol. 2) [English] [Kizlan] [Colorized] [Digital]
(C87) [Yamaneko Jinja (John Inu)] Journey Into Underground (Touhou Project)
(C80) [CRIMSON GROUND (Miyashiro Sousuke)] Mamitte Finale (Puella Magi Madoka Magica) [English] [CGrascal]
[Fractal Underground Studio] Himitsu no Basho | Secret Place [English] [SaHa]
[Tamagoro] Mutsumi-san no Hanshoku Katsudou Kiroku | The Chronicle of Mutsumi's Breeding Activities Ch. 1-3 [English]
Underground Six
[CRIMSON GROUND (Miyashiro Sousuke)] Takao Onee-san no Hokyuu no Enshuu (Kantai Collection -KanColle-) [Digital]
[Undergroundou] Buta Moyashi
[Pleats Time (Nunnu)] Sister Breeding2 - Gimai Tsukimiya Mirai Aokan Choukyou Hen [Digital]
[Z-ton] Bakumatsu Cross breed | End of an Era: Cross Breed (COMIC anthurium 018 2014-10) [English] {thetsuuyaku}
[UNDERGROUND CAMPAIGN (Senga Migiri)] USHI to KOBUSHI [Chinese] [同文城] [Digital]
[Pleats Time (Nunnu)] Sister Breeding - Gimai Tsukimiya Setsuna Oshioki Ecchi Hen [Digital] [Chinese] [靴下汉化组]
(CSP6) [CRIMSON GROUND (Miyashiro Sousuke)] Mutsu Onee-chan ni Hokyuu de Bakuchin (Kantai Collection -KanColle-) [Chinese] [空気系☆漢化]
[Pal Maison] Diary Of An Easy Futanari Girl ~Girls-Only Breeding Meeting Part 3 Episode 4
Uramono Zasshi No Fan Wa Yahari Orokamono De Aru | Fans of Underground Magazines are Truly Fools
[Pleats Time (Nunnu)] Sister Breeding - Gimai Tsukimiya Setsuna Oshioki Ecchi Hen | Sister Breeding - Punishment Sex Edition with Step-sister Tsukimiya Setsuna [English] [Douzo Lad Translations] [Digital]
(C88) [CRIMSON GROUND (Miyashiro Sousuke)] Atago-neesan to Hokyuu o Isshuukan (Kantai Collection -KanColle-) [Chinese] [无毒汉化组]
[Z-Ton] Inbreeding of an Era [coloring in process by Victor DoUrden]
[Somejima] Ishu Kan Kouhai Bokujou | Interracial Rape Breeding Farm (Bessatsu Comic Unreal Ningen Bokujou Hen Vol. 2) [Colorized] [Digital]
[Fractal Underground Studio] Pantsu Kuronikuru
Asuka, the Public Breeding Toy
[Crazy Clover Club 07] Rikujyou Bouei Tai! Mao-chan - Riku-mao Complex
[AliceComplex (Naganohara Nis)] Alice in Underground
Chika Seikou Tougi Club | Underground Sex Fight Club
KAEDESAN MAJI GODDESS Plus +
(C62) [Anorak Post (Akiyoshi Yoshiaki)] Love Mao (Ground Defense Force Mao-chan)
Maso no Keifu
Hanshoku no Nikunaenie | The Breeding Meat Seedlings
(C92) [Digital Accel Works (INAZUMA)] PRETTYUNKNOWN'S BATTLEGROUNDS (Kirakira PreCure a la Mode)
Ningen wa Oroka | Humans Are Foolish
[Momoyama Jirou] ABDUCT ~Ike Nai Shiiku Kansatsu~ | ABDUCT ~The Wrong Breeding Observation~ [English] [desudesu]
(Reitaisai 8) [French letter (Fujisaki Hikari)] Pedolia! underground (Touhou Project) [Chinese] [戀芙蘭催婚協會會長封獸鵺個人漢化]
[Momoiro Toiki (Meramera Jealousy)] Breeding Diary [English]
Friends Gyaku Rape Goudoushi 2
[Sakimori Dan] Nito to Majiwaru!! ~Yuki to Shinano no Hatsujou Onsen~ | Breeding with Two Bunnies!! ~Yuki and Shinano in Heat at the Hot Spring~ (COMIC Mugen Tensei 2020-04) [English] [The Unseelie Court] [Digital]
[Kaimeiji Yuu] Volunteer Breeding Ch.2 [English]
COSMIC BREED 5
M-o Shiikuki | Masochist Breeding Machine
Under Ground
(CR37) [St. Rio (Kitty, Kouenji Rei)] COSMIC BREED 3 (Gundam SEED DESTINY)
(Reitaisai 8) [French letter (Fujisaki Hikari)] Pedolia! underground (Touhou Project)
[Undergroundou] Tonde Hi ni Iru Natsu no Fundoshi Shounen
Toilet ni Ittara SeJiru Mamire no Otokonoko ga Taorete Ita no de Toriaezu Irete Mita | When I Went To The Bathroom I Found A Trap Covered In Cum On The Ground So I Thought I'd Try Fucking Him
Hitsugi
[Z-Ton] Sue Inbreed | Inbreeding of an Era (Bessatsu COMIC Anthurium Ningen Igaija Damedesuka?) [English] [4dawgz + Thetsuuyaku] [Colorized] [Decensored] [Digital]
[Z-Ton] Inbreeding of an Era (Bessatsu COMIC Anthurium Ningen Igaija Damedesuka?) [English] [4dawgz + Thetsuuyaku] [Colorized by Victor DoUrden] [Decensored] [Digital]
End of an Era: Love Breed
Underground Hotel Vol. 1
[Crimson (Carmine)] Yoru no Senritsu (Tokyo Underground)
Scathach Shishou to Celt Shiki Gachihamex!
(C62) [Tsurikichi Doumei (Umedama Nabu)] Aoi-chan Panic (Ai Yori Aoshi, Onegai Teacher, Ground Defense Force Mao-chan)
[Guchokuya] Guchokuya Dai 4 Gou
(C63) [Junk Arts (Nukiyama Gaisei)] Teikyoudo Funsou to Sekai Shin Chitsujo - Low-Intensity Conflict and World New-Order (Ground Defense Force Mao-chan)
Sister Breeding 2 Gimai Tsukimiya Mirai Aokan Choukyou Hen
Ashford Gakuen Underground
[Meramera Jealousy] Shiiku Nikki | Breeding Diary (Hinakan Hi! Vol. 02) [English] {ghost55} [Decensored]
USHI to KOBUSHI | 소와 주먹
The Sarasa of Ground Zero
Bakumatsu Cross breed | End of an Era: Cross Breed
(C78) [Crazy9 (Ichitaka)] Alice in Underground (Ookami-san to Shichinin no Nakama-tachi)
V Tsumamigui
PRETTYUNKNOWN'S BATTLEGROUNDS
BREED Kaga-san
S to M to M to S
Meikko Breeding ~Ikuta Karin Nankin Choukyou Nikki~
a bloom trampled on the ground 1
Kyuujitsu no Sugoshikata
[Under Ground] Grandia (Sailor Moon)
(SC17) [Aniki Teikoku (Fey Tas)] RADIANT SILVIASAN (Rikujou Boueitai Mao-chan)
[Nanase Makoto] Chika Ryuushutsu - Leaked to Underground
[Cyclone (Izumi Kazuya, Reizei)] Kagami ni Mukau Shoujo (Various) [Digital]
[Sakamata Nerimono] Buta no Koubi Ch.1 | Sow Breeding (COMIC Shigekiteki SQUIRT!! Vol. 25) [English] {Doujins.com} [Digital]
Maeyo Kochou Yawahada wa Odori Kagaribi no Gotoku
[St. Rio (Kitty)] SUPER COSMIC BREED 2 (My-Otome, Super Robot Wars)
[Marui Maru] Tanetsuke Tokutaisei | Breeding Scholarship (Fuwatoro ♥ Jusei Chuudoku!) [English] [KirbyDances] [Digital]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen [Digital]
Underground Sex Fight Club
(C51) [METAL (Azuki Kurenai)] BREED SPECIAL [English] [SaHa]
[Abura Katabura (Papipurin)] Midgar Underground Capter 1: Tifa Haidaku Nyuumetsu (Final Fantasy VII)
Houmatsu Mugen
(Reitaisai 8) [French letter (Fujisaki Hikari)] Pedolia! underground (Touhou Project) [English] [MrBubbles]
Zoku Tanetsuke Twins Namahame Aji Kurabe | Sequel: The Breeding Twins and the Bareback Taste Test
[Z-ton] Bakumatsu Love Breed (COMIC Anthurium 020 2014-12) [Chinese] [名潴學園029]
[Kyockho] Maiden Breed (COMIC BAVEL 2016-10) [Chinese]
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [English] [Decensored]
[Tamagoro] Mutsumi-san no Hanshoku Katsudou Kiroku | The Chronicle of Mutsumi's Breeding Activities Ch. 1-4 [English]
(SUPER21) [mixed breed (Chane)] desire to monopolize (Macross Frontier) [Sample]
[Akuten Soushin (Kokutou Nikke)] Kanmusu Chakunin Inazuma Kyousei Ishu Kouhai | Ship Girls Pregnancy - Inazuma's Forced Crossbreeding (Kantai Collection -KanColle-) [English] [Digital]
[Takanabe Chitose] UNDER GROUND
Underground Hotel Vol. 2
[Kaimeiji Yuu] Volunteer Breeding Ch.1 [English]
Bakumatsu Love Breed | End of an Era: Love Breed
Kyodai Mushi no Kouhai-jou | Giant Bug's Cross Breeding Location
Interracial Rape Breeding Farm
1/10 Scale Wonderground
[Undergroundou] Hadaka no Tsukiai -Hentai no Atsumaru Ecchi na Sentou-
(C67) [GROUND-Zero (Inui)] Meikyou Shisui (Touhou Project)
Underground Hotel Vol. 3
(C78) [Kougeki (Ootsuki Wataru)] Pleasure Ground (Touhou Project)
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [English] [0405]
NOT JAP
Konya wa Girl's Bar Heiten Shimasu.
Cross-Breeding
[Undergroundou] Seiyoku Bakuhatsu Shounen Vol. 3 -Sex Sense-
Aitazousei | Love Breeds Jealousy
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [Digital]
(CR30) [SOFTCHARM (SOFTCHARM)] FULL-SWEEP EARLY UNDERGROUND (Various)
Volunteer Breeding Ch.8
PRETTY UNKNOWN'S BATTLEGROUNDS
The Outbreeding of an Era
Volunteer Breeding Ch.5
Funin Kaishou! Kuroochi Breeding Party
Igyou Koubi Kairaku Jigoku | Demon Breeding Pleasure Hell
[Makio]Breeding Girl (COMIC Kairakuten 2011-12)(chinese)
Minami Underground
とろふわマシュまろ
Kabane Hanshoku Jikken | Kabane Breeding Experiment
Triad Primus wa Producer ni ○○○ Saretai!