[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]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 4 [Digital]
(C69) [RED RIBBON REVENGER (Makoushi)] Valhalla ~ Dainishou~ Fuyu no Arashi (Spiral)
[Underground Dou] NOPOR
(C78) [Crazy9 (Ichitaka)] Alice in Underground (Ookami-san to Shichinin no Nakama-tachi)
Chika Tougijou Sen - Underground Colosseum Sen 3
Underground Garden
Underground arena no sen
Hitsugi
Inbou Kyousei Kairaku Esute Zenpen | Underground Forced Pleasure Salon Part 1
Albino Sakura-chan to Ama Ecchi
[Undergroundou] Tonde Hi ni Iru Natsu no Fundoshi Shounen
KNight Mare Underground ~Shimai Kishi, Kanraku Dungeon~ ch. 2
Rinjin no bitchi hitodzuma o tsugō yoku bu~tsuokasu!
Omakebon 9
(C87) [Yamaneko Jinja (John Inu)] Journey Into Underground (Touhou Project)
[Fractal Underground Studio] Kodomo Rakuen Ransel Shoujo Hen
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen [Digital]
[RED RIBBON REVENGER (Makoushi, Takatoo Juna)] Shiro (Spiral, Tokyo Underground)
Konya wa Girl's Bar Heiten Shimasu.
(CR30) [SOFTCHARM (SOFTCHARM)] FULL-SWEEP EARLY UNDERGROUND (Various)
Pedolia! underground
[Abura Katabura (Papipurin)] Midgar Underground Capter 1: Tifa Haidaku Nyuumetsu (Final Fantasy VII)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [English] [8/u/ Scanlations] [Digital]
(C75) [Daihonei (TYPE.90)] Petite Empire 2008 Winter (Chrysalis) (Kurogane no Linebarrels, Kannagi)
Sofia-san wa Kashikoi ♥
Futari no Nichiyoubi
土方口マンホール 鳶編
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [Digital]
(C78) [Crazy9 (Ichitaka)] Alice in Underground (Ookami-san to Shichinin no Nakama-tachi) [English] {doujin-moe.us}
]NUDEGIRL | 超裸女
(Puniket 20) [Chronolog, Shoujo Zukin (Sakurazawa Izumi, Hatomugi Munmun)] Alice in the underground (Soul Eater)
[Red Ribbon Revenger (Makoushi)] Shiro (Star Ocean: Till the End of Time)
Chika Tougijou Sen - Underground Colosseum Sen 1
USHI to KOBUSHI | 소와 주먹
[HG Chagawa] Chika Dorei No. 6 - Underground Slave No. 6 (ANGEL Club 2015-01) [English] [desudesu]
(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]
Nodokan
(C87) [ACID EATERS (Kazuma Muramasa)] Butterfly and Chrysalis (HappinessCharge Precure!)
Shukushoubyou Kenshuu
Muryoru Kangoku | The Swarm Approaches the Wicked Prison
Theater Drama City
Kenryokusha ni Sakaraezu 2-koma Ochisuru Hon
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [Digital]
Chika Tougijou Sen - Underground Colosseum Sen 5
Ningen wa Oroka | Humans Are Foolish
[Undergroundou] Seiyoku Bakuhatsu Shounen Vol. 3 -Sex Sense-
Vtuber Sokuhame Kairaku Ochi Hon 2
[Crimson (Carmine)] Yoru no Senritsu (Tokyo Underground)
[Red Ribbon Revenger] Valhalla ~Joshou~ (Tokyo Underground & Spiral)
[Cyclone (Izumi Kazuya, Reizei)] Kagami ni Mukau Shoujo (Various) [Digital]
Ashford Academy Underground
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen [English] [Sexy Akiba Detectives] [Digital]