[Motsu Aki] Tanetsuke Colosseum! Episode 1 | Conception Colosseum! 1 [English] =LWB= [Digital]
Hitozuma Tawawan Oppai Momi Kouza
[Ranchiki (dotsuco)] Mesuochi Idol-kun | Feminizing Degeneration Idol-kun [English] [Nisor] [Digital]
[Nakamura Yukitoshi] Underground Athlete Maker (2D Comic Magazine Kikaikan Ningen Bokujou Vol. 2) [English] [Digital]
Theater Drama City
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [English] [8/u/ Scanlations] [Digital]
Can't go back!
Oda non Illust Shuu
[Underground Campaign (Senga Migiri, jin)] Dokata Kuchiman Hole - Tobi Hen
Chika Tougijou Sen - Underground Colosseum Sen
Friends Gyaku Rape Goudoushi 2
[Houkago Inokorigumi (Nishida Megane)] Dark Elf Queen Freya ~Kutsujoku no Colosseo~ | Dark Elf Queen Freya -Colosseum of Humilation- [English] [biribiri]
Uramono Zasshi No Fan Wa Yahari Orokamono De Aru | Fans of Underground Magazines are Truly Fools
[Shiruka Bakaudon] Uramono Zasshi No Fan Wa Yahari Orokamono De Aru | Fans of Underground Magazines are Truly Fools (COMIC Mate Legend Vol. 15 2017-05)[Chinese] [沒有漢化]
Hitsugi
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [Digital]
Underground Athlete Maker
(CR30) [SOFTCHARM (SOFTCHARM)] FULL-SWEEP EARLY UNDERGROUND (Various)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 4 [Digital]
(C86) [Gekidoku Shoujo (ke-ta)] Underground Blossom (Touhou Project)
Tanetsuki Colosseum! Episode1
土方口マンホール 鳶編
Chika Seikou Tougi Club | Underground Sex Fight Club
[Cyclone (Izumi Kazuya, Reizei)] Kagami ni Mukau Shoujo (Various) [Digital]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 5 [Chinese] [沒有漢化] [Digital]
Tsuma x Tsuma
(C91) [Mousou Colosseum (Oda non)] C91 Omake Bon [Chinese] [瓜皮汉化]
(C95) [Mousou Colosseum (Oda non)] Oda non Illust Shuu ~Entsuma~
(Queen's Colosseum) [TETRODOTOXIN (Nise Kurosaki)] QBC (Queen's Blade) [Chinese] [黑条汉化]
H na Toshiue Chara no Rakugaki - Rough Manga Hon | A Collection of Sketches and Rough Manga of Hot MILFs
FABRICATION FLAVOR
Mazu no Hoshikuzu | 魔都的星尘 act.1-2
Buchou to Kachou | 部长与课长 1-3
Muryoru Kangoku | The Swarm Approaches the Wicked Prison
[Zokubutsu.zip (Asuka)] Zokubutsu.zip (9) Chika | Underground [English] [Digital]
(C89) [Yamaneko Jinja (John Inu)] UNDERGROUND ASCENDANCY (Touhou Project)
[Undergroundou] Haru no Shura - Seifuku Shounen to Geshuku Daigakusei no Ikenai Kankei -
Triglav Underground Railway
Futari no Nichiyoubi
Chika Tougijou Sen - Underground Colosseum Sen 3
Ningen wa Oroka | Humans Are Foolish
Vtuber Sokuhame Kairaku Ochi Hon 2
[Yanagi Masashi] Kawai onna to yobaretai
[Unknown] Chika Teien | Underground Garden [English]
Kono Watakushi ga Saimin ni Makeru Wake Arimasen wa!
(Gorujii hon) Hakurei tabi kan [Digital]
[C's cheese] ANAN Gango no Miko (Tokyo Underground)
Sawari Tsukuse Manin Densha!
(C71) [SHALLOT COCO (Yukiyanagi)] Yukiyanagi no Hon 13 Reina no Zecchou Colosseum (Queen's Blade) [English] [CGrascal]
[Ryo] Tomodachi ni Nayami o Soudan Shite Mitara Ayashige na Basho ni Tsurete Koraremashita. | I went to my friend for advice but instead she took me to a shady underground club. (COMIC Tenma 2014-07) [English] =LWB=
Shield Knight Elsain Vol. 9 SLAVE COLOSSEUM
(Queen's Colosseum) [TETRODOTOXIN (Nise Kurosaki)] QBC (Queen's Blade) [English] {Doujin-Moe.us}
(Underground Carnival) [Inyu-goya (Inyucchi)] Chitei no Yakata no Aigan Shoujo (Touhou Project)
[Motsu Aki] Seeding Colosseum! (Koubi wa Mechakucha Kimochi Ii) [Chinese] [无毒汉化组] [Digital]
Sofia-san wa Kashikoi ♥
Chika Tougijou Sen - Underground Colosseum Sen 1
C97 Omake Hon
Oda non Illust Shuu ~Entsuma~
[RED RIBBON REVENGER (Makoushi, Takatoo Juna)] Shiro (Spiral, Tokyo Underground)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 4 [Chinese] [沒有漢化] [Digital]
(C69) [Studio Himitsukichi (Hasegawa Yuuichi)] Fallen Angel Dora 2 Colosseum
[Underground Dou (Stranger)] Jigoku Ezu no Yoru 2
[Undergroundou] Buta Moyashi
Shukushoubyou Kenshuu
Chika Tougijou Sen - Underground Colosseum Sen 2
[Nanase Makoto] Chika Ryuushutsu - Leaked to Underground
V Tsumamigui
Underground Hotel
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [Chinese] [沒有漢化] [Digital]
H na Toshiue Chara no Rakugaki ・Rough Manga Hon
Zecchou CONTRACT
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [English] [0405]
[HG Chagawa] Chika Dorei No. 6 - Underground Slave No. 6 (ANGEL Club 2015-01) [English] [desudesu]
(C83) [Tricot (Stella.Ing)] From the Underground (The Legend Of Zelda)
Tsuma x Tsuma | Wife x Wife
Humiliation underground
Vtuber Sokuhame Kairaku Ochi Hon
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [English] [Decensored]
Zokubutsu.zip Chika | Underground
Underground wrestling
Onnanoko ni Yaritai Houdai
Minami Underground
Rinjin no bitchi hitodzuma o tsugō yoku bu~tsuokasu!
[UNDERGROUND CAMPAIGN (Senga Migiri)] USHI to KOBUSHI [Chinese] [同文城] [Digital]
Tankoubon Senden Manga
Chika Tougijou Sen - Underground Colosseum Sen 4
[Undergroundou] Tonde Hi ni Iru Natsu no Fundoshi Shounen
[Undergroundou] Himitsu no Mori e Youkoso - Welcome To The Secret Forest
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass)
Maso no Keifu
Chuppon Onna no Vacuum Fella | 吸精淫亂女的吸引奉仕
(C93) [Mousou Colosseum (Oda non)] C93 Omake Bon Iro Toridori Hitoduma Uwasabanashi
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen [Digital]
Kenryokusha ni Sakaraezu 2-koma Ochisuru Hon
[Undergroundou] Seiyoku Bakuhatsu Shounen Vol. 3 -Sex Sense-
Underground Hotel Vol. 3
[Yui Toshiki] ReYui Vol.3
USHI to KOBUSHI | 소와 주먹
[SaHa] Fractal Underground - Warm Kotatsu (English)
Oi to Oba no Heya | Nephew's and Aunt's Room
FGO no Kocho Hon II Ashiura Mashimashi Hen
(C78) [FONETRASON (Ryutou)] Shield Knight Elsain Vol. 9 SLAVE COLOSSEUM
[Rinsun] KNight Mare Underground ~Shimai Kishi, Kanraku Dungeon~ ch. 2