(COMIC1☆11) [CRIMSON GROUND (Miyashiro Sousuke)] Sunao ja Nai Kanojo to no Sesshikata (Fate/Grand Order)
Bakumatsu Cross breed | End of an Era: Cross Breed
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [English] [8/u/ Scanlations] [Digital]
Onnanoko ni Yaritai Houdai
[Meramera Jealousy] Shiiku Nikki | Breeding Diary (Hinakan Hi! Vol. 02) [English] {ghost55} [Decensored]
[Aomizuan (Shimantogawa)] 現役女子大生と、いやらしいドン勝 (PlayerUnknown's Battlegrounds)
Underground Athlete Maker
[Z-Ton] Zoku Bakumatsu Mother Breed | End of an Era: Mother Breed (Continued) (COMIC Anthurium 010 2014-02) [English] [4dawgz + Thetsuuyaku]
Funin Kaishou! Kuroochi Breeding Party
[Crazy Clover Club (Shirotsumekusa)] Riku-Mao Complex (Ground Defense Force Mao-chan)
(C79) [CRIMSON GROUND (Miyashiro Sousuke)] DEEP BLACK (Pokemon)
[Kaimeiji Yuu] Volunteer Breeding Ch.4 [English]
(C69) [RED RIBBON REVENGER (Makoushi)] Valhalla ~ Dainishou~ Fuyu no Arashi (Spiral) [Digital]
(C72) [Kirimochi Texture (Yoyoyoyou)] Hentai Ichidou Ground e Shuugou!! (Mitsudomoe)
The Defeat and Breeding of the Sorceress Rozalia
Tanetsuke Kyoushuujo Taipen Manga | Breeding School
Mutsumi-san no Hanshoku Katsudou Kiroku | The Chronicle of Mutsumi's Breeding Activities Ch. 1-5
Hitsugi
(C83) [Tricot (Stella.Ing)] From the Underground (The Legend Of Zelda)
[Bai Asuka] Boku no Kaa-san wa Yuujin no Mesuinu Ch. 1-3 [English] [biribiri]
Sofia-san wa Kashikoi ♥
Vtuber Sokuhame Kairaku Ochi Hon 2
[Unknown] Chika Teien | Underground Garden [Chinese]
[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]
Chika Tougijou Sen - Underground Colosseum Sen
Underground Six
KNight Mare Underground ~Shimai Kishi, Kanraku Dungeon~ ch. 2
Grounds for Fighting [English] [Rewrite] [olddog51]
[Fractal Underground Studio] Kodomo Rakuen Ransel Shoujo Hen
Chika Tougijou Sen - Underground Colosseum Sen 4
[Undergroundou] Himitsu no Mori e Youkoso - Welcome To The Secret Forest
Meikko Breeding ~Ikuta Karin Nankin Choukyou Nikki~
[Ponsuke] Newaza de Ippon | Secret move gets a score on the ground (COMIC LO 2017-03) [English] [ATF] [Digital]
Chika Tougijou Sen - Underground Colosseum Sen 2
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [Decensored]
[Can Do Now! (Minarai Zouhyou)] B.O.W. to Hito tono Kouhai Jikken Houkokusho | B.O.W And Human Crossbreeding Experiment Report (Resident Evil) [English] [SaHa]
[Unknown] Chika Teien | Underground Garden [English]
V Tsumamigui
(C91) [CRIMSON GROUND (Miyashiro Sousuke)] Tenryuu-gata no Nee-san-tachi to Kannetsu no Hokyuu (Kantai Collection -KanColle-)
[Z-Ton] Bakumatsu Mother Breed | End of an Era: Mother Breed (COMIC Anthurium 009 2014-01) [English] [4dawgz + Thetsuuyaku]
Mamitte Finale
Family Play 2 - Breeding
[Momoyama Jirou] ABDUCT ~Ike Nai Shiiku Kansatsu~ | ABDUCT ~The Wrong Breeding Observation~ [English] [desudesu]
[Abura Katabura (Papipurin)] Midgar Underground Capter 1: Tifa Haidaku Nyuumetsu (Final Fantasy VII)
Lonely Playground 1-7
[Z-ton] Bakumatsu Love Breed | End of an Era: Love Breed (COMIC Anthurium 020 2014-12) [English] [thetsuuyaku]
Breeding Party Omake + Breeding Party Extra Chapter
Zokubutsu.zip Chika | Underground
Cross-Breeding
[Underground Campaign (Senga Migiri, jin)] Dokata Kuchiman Hole - Tobi Hen
[Tamagoro] Mutsumi-san no Hanshoku Katsudou Kiroku Bangaihen | The Chronicle of Mutsumi's Breeding Activities side story (COMIC Penguin Club Sanzokuban 2016-10) [Chinese] [最愛路易絲澪漢化組]
[Anthology] Himitsu no Hanazono (Various)
[Doi Sakazaki] Muriyari Tanetsukeru Hanashi | A Tale of Forced Breeding (COMIC MoeMax 2007-06) [English] [XLG] [Decensored]
Underground wrestling
[Kaimeiji Yuu] Volunteer Breeding Ch.7 [English]
(C92) [Digital Accel Works (INAZUMA)] PRETTYUNKNOWN'S BATTLEGROUNDS (Kirakira PreCure a la Mode)
[St. Rio (Kitty)] SUPER COSMIC BREED (Super Robot Wars)
Rinjin no bitchi hitodzuma o tsugō yoku bu~tsuokasu!
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [Digital]
[Aomizuan (Shimantogawa)] Geneki Joshidaisei to, Iyarashii Donkatsu (PlayerUnknown's Battlegrounds) [Ongoing]
From The Underground
Underground arena no sen
[Underground Dou] NOPOR
FABRICATION FLAVOR
(C90) [X ∞ MODEL (Asagiri Tendou)] Kabane Hanshoku Jikken | Kabane Breeding Experiment (Koutetsujou no Kabaneri) [English] [constantly]
Uma Musume Tanetsuke Koubi Show | Horse Girl Breeding Show
[chirarizumu] Aka to Kuro╱UNDER GROUND & Chijou no Hoshi (Gurren Lagann, Darker than Black)
[Pleats Time (Nunnu)] Sister Breeding - Gimai Tsukimiya Setsuna Oshioki Ecchi Hen [Digital]
UNDER GROUND final
Asuka, the Public Breeding Toy
[Yanagi Masashi] Kawai onna to yobaretai
(COMIC1☆4) [Noraneko-no-tama (Yukino Minato)] Shiiku-bu | Breeding Club [English] [Saha]
[Rinsun] KNight Mare Underground ~Shimai Kishi, Kanraku Dungeon~ ch. 2
(C74) [Nekopunch Bashibashi (Mogudan, Nyangorou)] Under Ground [English] [SaHa]
[Sakurazawa Izumi] MELTY KISS
[Gorgeous Takarada] Cannon Sensei Tobashisugi [English] [SaHa]
[METAL (Azuki Kurenai)] BREED 2
The Outbreeding of an Era
Theater Drama City
[Takanabe Chitose] UNDER GROUND
Chika Tougijou Sen - Underground Colosseum Sen 1
Bakumatsu Inbreed | Inbreeding of an Era
(ComiComi8) [GROUND-Zero (Inui)] Riro Seizen (Touhou Project)
Ningen wa Oroka | Humans Are Foolish
[Tamagoro] Mutsumi-san no Hanshoku Katsudou Kiroku | The Chronicle of Mutsumi's Breeding Activities Ch. 1-4 [English]
(ShotaFes 2) [SERVICE BOY (Hontoku)] Onii-chan ni Tanezuke Shichao! | Let's Breed Oniichan! [English] [alparslan]
(SUPER21) [mixed breed (Chane)] desire to monopolize (Macross Frontier)
[Ranchiki (dotsuco)] Mesuochi Idol-kun | Feminizing Degeneration Idol-kun [English] [Nisor] [Digital]
[Somejima] Ishu Kan Kouhai Bokujou | Interracial Rape Breeding Farm (Bessatsu Comic Unreal Ningen Bokujou Hen Vol. 2) [English] [Kizlan] [Colorized] [Digital]
]NUDEGIRL | 超裸女
(C95) [Ukatsu de wa Nai (noukatu, Minase Kuru)] Vtuber Sokuhame Kairaku Ochi Bon (Tsukino Mito, Deep Web Underground, Shizuka Rin) [Chinese] [homolive汉化组]
[Z-Ton] Zoku Bakumatsu Mother Breed | End of an Era: Mother Breed (Continued) (COMIC Anthurium 010 2014-02) [Chinese] [名潴學園漢化]
[Hazuki] Sekka Shite Konagona ni Saretai Joshi | The Girl Who Wanted to be Petrified and Ground Up [English]
(C62) [C's cheese (Hebimaki Qto)] Nibun no Ichi no Gimai (Tokyo Underground)
Maeyo Kochou Yawahada wa Odori Kagaribi no Gotoku
(SUPER21) [mixed breed (Chane)] desire to monopolize (Macross Frontier) [Sample]
[BIG BOSS] Ichioku Sou Gyokusai╱Souko Sensei no Hachimitsu Jugyou (Rikujou Boueitai Mao-chan, Asagiri no Miko)
[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]
(C85) [Pettanko! (0-G)] Ily☆Kuro-san Chi no Jika Hatsuden to Ero Jijou (Fate/kaleid liner Prisma Illya)
[Kazuhiro] Hanshoku no Nikunaenie | The Breeding Meat Seedlings (Aijou no Injoku Elf) [English] [Stopittarpit]
Underground Hotel Vol. 1
[Z-Ton] Bakumatsu Inbreed | Inbreeding of an Era (Bessatsu COMIC Anthurium Ningenigai ja Dame desu ka?) [English] [4dawgz + Thetsuuyaku] [Digital]
Jinbobo ~Abunai Shiiku Kansatsu ~ | Jinbobo ~The Dangerous Breeding Observation~
ELF SLAVE CATALOG UNDERGROUND Vol.02
(Underground Carnival) [Inyu-goya (Inyucchi)] Chitei no Yakata no Aigan Shoujo (Touhou Project)
The Sarasa of Ground Zero
Kyuujitsu no Sugoshikata
[Shinobe] Sweet Devil (PLUM FE Vol.8) [English] [BSN] [Digital]
[Yanje] - Monster Breeding Plant - (Fate/Grand Order) [English] [UncontrolSwitchOverflow]
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [English] [0405]
[AliceSoft] [Full Color Seijin Han] DARCROWS Daiichimaku Complete Ban [Digital]
[HG Chagawa] Chika Dorei No. 6 - Underground Slave No. 6 (ANGEL Club 2015-01) [English] [desudesu]
とろふわマシュまろ
(C85) [CRIMSON GROUND (Miyashiro Sousuke)] CINDERELLA COOLS (THE iDOLM@STER) [English] [M@]
ABDUCT ~Ike Nai Shiiku Kansatsu~ | ABDUCT ~The Wrong Breeding Observation~
Sister Breeding2 - Gimai Tsukimiya Mirai Aokan Choukyou Hen
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass)
M-o Shiikuki | Masochist Breeding Machine
[Kaimeiji Yuu] Volunteer Breeding Ch.5 [English]
Chika Tougijou Sen - Underground Colosseum Sen 3
(COMIC1☆11) [CRIMSON GROUND (Miyashiro Sousuke)] Sunao ja Nai Kanojo to no Sesshikata (Fate/Grand Order) [Chinese] [CE家族社]
[Jishin Kajyou (GROUND)] Yami no Aikatsu Boot Camp (Aikatsu!) [Digital]
[ECO] Under Ground
(C51) [METAL (Azuki Kurenai)] BREED SPECIAL [English] [SaHa]
[CRIMSON GROUND (Miyashiro Sousuke)] Sunao ja Nai Kanojo to no Sesshikata (Fate/Grand Order) [Digital]
(CR37) [St. Rio (Kitty, Kouenji Rei)] COSMIC BREED 3 (Gundam SEED DESTINY)
BREED Kaga-san
[Pleats Time (Nunnu)] Meikko Breeding ~Ikuta Karin Nankin Choukyou Nikki~ | Niece Breeding [English] [SquigglesJP] [Digital]
[Mokkouyou bond] Sex Costume