Underground Six
Slime Naedoko Komeiji Satori | The Slime's Breeding Stock Komeiji Satori
Sunao ja Nai Kanojo to no Sesshikata
(SC17) [Aniki Teikoku (Fey Tas)] RADIANT SILVIASAN (Rikujou Boueitai Mao-chan)
Maeyo Kochou Yawahada wa Odori Kagaribi no Gotoku
S to M to M to S
[Pleats Time (Nunnu)] Sister Breeding2 - Gimai Tsukimiya Mirai Aokan Choukyou Hen [Digital] [Chinese] [兴趣使然汉化]
[Kyockcho] Maiden Breed (COMIC BAVEL 2016-10) [English] [Sydin] [Digital]
[Tamagoro] Mutsumi-san no Hanshoku Katsudou Kiroku | The Chronicle of Mutsumi's Breeding Activities Ch. 1-4 [English]
[Uchuu Teiou] Shoujo Yuugi Colorful
Chuppon Onna no Vacuum Fella | 吸精淫亂女的吸引奉仕
[Yonemochi Akihiko] adult challenge 1
Underground Sex Fight Club
(C90) [X ∞ MODEL (Asagiri Tendou)] Kabane Hanshoku Jikken | Kabane Breeding Experiment (Koutetsujou no Kabaneri) [English] [constantly]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [Chinese] [沒有漢化] [Digital]
(C84) [CRIMSON GROUND (Miyashiro Sousuke)] Houmatsu Mugen (THE iDOLM@STER CINDERELLA GIRLS) [English] [WWW]
(SPARK8) [Radistar (157)] Triglav Underground Railway (Tales of Xillia)
(C69) [Okinawa Taieki Gunjinkai] Rynax_Underground (Kurau : Phantom Memory)
End of an Era - Cross Breed
The Chronicle of Mutsumi's Breeding School Club Activities
(C79) [CRIMSON GROUND (Miyashiro Sousuke)] DEEP BLACK (Pokemon) [English] {doujin-moe.us}
Ashford Gakuen Underground
[Abura Katabura (Papipurin)] Midgar Underground Capter 1: Tifa Haidaku Nyuumetsu (Final Fantasy VII)
(C92) [Digital Accel Works (INAZUMA)] PRETTYUNKNOWN'S BATTLEGROUNDS (Kirakira PreCure a la Mode)
USHI to KOBUSHI | 소와 주먹
[Z-Ton] Bakumatsu Inbreed | Inbreeding of an Era (Bessatsu COMIC Anthurium Ningenigai ja Dame desu ka?) [English] [4dawgz + Thetsuuyaku] [Digital]
Forest of Tentacles - Tentacle Breeding Nursery Lightning
Maiden Breed
[St. Rio (Kitty)] SUPER COSMIC BREED 2 (My-Otome, Super Robot Wars)
(C80) [CRIMSON GROUND (Miyashiro Sousuke)] Mamitte Finale (Puella Magi Madoka☆Magica)
Uramono Zasshi No Fan Wa Yahari Orokamono De Aru | Fans of Underground Magazines are Truly Fools
[RED RIBBON REVENGER (Makoushi, Takatoo Juna)] Shiro (Spiral, Tokyo Underground)
[Nekodanshaku] Ume yo! Fuyase yo! 3 -Nagami Hina-hen- | Breed! Reproduce! 3 -Nagami Hina- (COMIC LO 2018-02) [English] [Digital]
(Underground Carnival) [Inyu-goya (Inyucchi)] Chitei no Yakata no Aigan Shoujo (Touhou Project)
[CRIMSON GROUND (Miyashiro Sousuke)] Takao Onee-san no Hokyuu no Enshuu (Kantai Collection -KanColle-) [Digital]
B.O.W. to Hito tono Kouhai Jikken Houkokusho | B.O.W And Human Crossbreeding Experiment Report
ENDLESS WALTZ IN GROUND ZERO
[Crazy Clover Club (Shirotsumekusa)] Riku-Mao Complex (Ground Defense Force Mao-chan)
[Kaimeiji Yuu] Volunteer Breeding Ch.1 [English]
Breeding Party Omake + Breeding Party Extra Chapter
PRETTY UNKNOWN'S BATTLEGROUNDS
NOT JAP
COSMIC BREED 5
Inbou Kyousei Kairaku Esute Zenpen | Underground Forced Pleasure Salon Part 1
[Fractal Underground Studio] Pantsu Kuronikuru
Chika Tougijou Sen - Underground Colosseum Sen 2
[Nanno Koto] Ganbare Minaho-chan!
End of an Era: Love Breed
[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]
Kenryokusha ni Sakaraezu 2-koma Ochisuru Hon
(CR37) [St. Rio (Kitty, Kouenji Rei)] COSMIC BREED 3 (Gundam SEED DESTINY)
[Momoyama Jirou] Jinbobo ~Abunai Shiiku Kansatsu~ | Jinbobo ~The Dangerous Breeding Observation~ [English] [desudesu]
(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}
[METAL (Azuki Kurenai)] BREED 2
(C80) [CRIMSON GROUND (Miyashiro Sousuke)] Mamitte Finale (Puella Magi Madoka Magica) [English] [CGrascal]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [Digital]
Igyou Koubi Kairaku Jigoku | Demon Breeding Pleasure Hell
Futanari Elf no Tanetsuke Bokujou 1 | Futanari Elf Breeding Farm 1
[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]
Monster Crossbreeding With The Paid Date JK
Chicken Breed Mera Mera
[CRIMSON GROUND (Miyashiro Sousuke)] KAEDESAN MAJI GODDESS Plus + (THE IDOLM@STER CINDERELLA GIRLS) [English] [WWW] [Digital]
[Yanje] - Monster Breeding Plant - (Fate/Grand Order) [English] [UncontrolSwitchOverflow]
Himitsu Yuugi | 비밀유희
(C87) [CRIMSON GROUND (Miyashiro Sousuke)] KAEDESAN MAJI GODDESS SR+ (THE IDOLM@STER CINDERELLA GIRLS)
Sequel: The Breeding Twins and the Bareback Taste Test
(COMIC1☆4) [Noraneko-no-tama (Yukino Minato)] Shiiku-bu | Breeding Club [English] [Saha]
(C78) [Crazy9 (Ichitaka)] Alice in Underground (Ookami-san to Shichinin no Nakama-tachi)
Lonely Playground 1-9
[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]
(C89) [Kuchiki no Uro (Enma Koorogi)] Lyrical Inbreeding (Mahou Shoujo Lyrical Nanoha ViVid)
Flame of the Battleground
[Momoiro Toiki (Meramera Jealousy)] Breeding Diary [English]
[SaHa] Fractal Underground - Warm Kotatsu (English)
[Sanba Rio] Goukan Shiiku - Rape & Breed
(COMIC1☆13) [2nd color (Typehatena)] Uma Musume Tanetsuke Koubi Show | Horse Girl Breeding Show (Uma Musume Pretty Derby) [English] [slathe]
Kuroki Mori no Majo no Tai
(C91) [CRIMSON GROUND (Miyashiro Sousuke)] Tenryuu-gata no Nee-san-tachi to Kannetsu no Hokyuu (Kantai Collection -KanColle-)
(COMIC1☆5) [CRIMSON GROUND (Miyashiro Sousuke)] Schwarzer Rafale (Infinite Stratos)
Cross-Breeding
Onnanoko ni Yaritai Houdai
Sonna ni Kirei Janakute Ii | 不用那么美丽也可以 Ch. 1
[CRIMSON GROUND (Miyashiro Sousuke)] Sunao ja Nai Kanojo to no Sesshikata (Fate/Grand Order) [Digital]
Naedoko Shounen | Breeding Boys
黒き森の魔女の胎
Ningen wa Oroka | Humans Are Foolish
[Somejima] Ishu Kan Kouhai Bokujou | Interracial Rape Breeding Farm (Bessatsu Comic Unreal Ningen Bokujou Hen Vol. 2) [English] {Kizlan} [Digital]
Naburare Vampire | Toying With A Vampire
[Underground Campaign (Senga Migiri, jin)] Dokata Kuchiman Hole - Tobi Hen
[METAL (Azuki Kurenai)] BREED
[Ver9] Breeding Party Omake + Extra [English][FUKE]
V Tsumamigui
[Gorgeous Takarada] Cannon Sensei Tobashisugi [English] [SaHa]
(C84) [CRIMSON GROUND (Miyashiro Sousuke)] Houmatsu Mugen (THE iDOLM@STER CINDERELLA GIRLS)
Cross Breed (uncensored)
Sister Breeding - Gimai Tsukimiya Setsuna Oshioki Ecchi Hen
Petting Zoo for Milking and Breeding
(C84) [Okina Flying Factory (OKINA)] Mechiku no Gakko | Female Breeding School [Chinese][巫毒汉化组]
(C84) [Okina Flying Factory (OKINA)] Mechiku no Gakko | Female Breeding School [English] =LWB=
[Arikime Desu] Watermelon Breeding [ENG]
(COMIC1☆11) [CRIMSON GROUND (Miyashiro Sousuke)] Sunao ja Nai Kanojo to no Sesshikata (Fate/Grand Order) [Chinese] [CE家族社]
(C69) [RED RIBBON REVENGER (Makoushi)] Valhalla ~ Dainishou~ Fuyu no Arashi (Spiral)
Chika Tougijou Sen - Underground Colosseum Sen 1
B.O.W And Human Crossbreeding Experiment Report
Kyuujitsu no Sugoshikata
Sakunyuu Tanetsuke Taiken-kai | Petting Zoo for Milking and Breeding
[Aomizuan (Shimantogawa)] Geneki Joshidaisei to, Iyarashii Donkatsu (PlayerUnknown's Battlegrounds) [Ongoing]
[Yanagi Masashi] Kawai onna to yobaretai
(C71) [ARESTICA, D.N.A.Lab. (Ariko Youichi, Miyasu Risa)] Velvet Underground (Sumomomo Momomo)
Zokubutsu.zip Chika | Underground
(C66) [GROUND-Zero (Inui)] Yuugen Jikkou (Touhou Project)
[Sakurazawa Izumi] MELTY KISS
[Akuten Soushin (Kokutou Nikke)] Kanmusu Chakunin Inazuma Kyousei Ishu Kouhai | Ship Girls Pregnancy - Inazuma's Forced Crossbreeding (Kantai Collection -KanColle-) [English] [Digital]
[Red Ribbon Revenger (Makoushi)] Shiro (Star Ocean: Till the End of Time)
[Shiroiya (Shiroi Mochi)] 1/10 Scale Wonderground (Ookiku Furikabutte)
[Shinobe] Sweet Devil (PLUM FE Vol.8) [English] [BSN] [Digital]
ELF SLAVE CATALOG UNDERGROUND Vol. 01
Bakumatsu Inbreed | Inbreeding of an Era
Volunteer Breeding Ch.4
(C74) [Nekopunch Bashibashi (Mogudan, Nyangorou)] Under Ground
(C78) [Kougeki (Ootsuki Wataru)] Pleasure Ground (Touhou Project)
a bloom trampled on the ground 1
[Cyclone] Kagami ni Mukau Shoujo (Magic Knights Rayearth)
Mamitte Finale
[Z-Ton] Sue Inbreed | Inbreeding of an Era (Bessatsu COMIC Anthurium Ningen Igaija Damedesuka?) [English] [4dawgz + Thetsuuyaku] [Colorized] [Decensored] [Digital]
Houmatsu Mugen
(Underground Carnival) [Kougeki (Ootsuki Wataru)] Speechless (Touhou Project)
(COMIC1☆11) [CRIMSON GROUND (Miyashiro Sousuke)] Sunao ja Nai Kanojo to no Sesshikata (Fate/Grand Order)
[Anthology] Himitsu no Hanazono (Various)
Albino Sakura-chan to Ama Ecchi
Friends Gyaku Rape Goudoushi 2
(CR30) [SOFTCHARM (SOFTCHARM)] FULL-SWEEP EARLY UNDERGROUND (Various)
[Ushino Kandume] Horetara Make | You Love, You Lose. (COMIC HOTMILK 2019-02) [English] [Rotoscopic + Nero] [Digital]
Yami no Aikatsu Boot Camp
(C90) [Kikyakudou (Karateka Value)] The Sarasa of Ground Zero (Granblue Fantasy)
Seishun wa Kimi no Naka
[Under Ground (Hiroishi Katsuhisa, Oono Hirofumi)] Moon-Ral (Bishoujo Senshi Sailor Moon)
Monster Breeding Factory, Inspection!
Kyodai Mushi no Kouhai-jou | Giant Bug's Cross Breeding Location
Maso no Keifu
Underground
(C86) [Gekidoku Shoujo (ke-ta)] Underground Blossom (Touhou Project)
(ComiComi8) [GROUND-Zero (Inui)] Riro Seizen (Touhou Project)
Otokonoko ga Futanari JK DeliHeal o Yondara Byou de Mesu Ochi shichaimashita.
[Unknown] Chika Teien | Underground Garden [English]
[Cyclone (Izumi Kazuya, Reizei)] Kagami ni Mukau Shoujo (Various) [Digital]
Chika Tougijou Sen - Underground Colosseum Sen
(brilliant days) [nolla (Noni)] a bloom trampled on the ground 1 (Ensemble Stars!)