Underground Garden
[Magukappu (Magukappu)] Dai Akko (Little Witch Academia) [English]
Chika Tougijou Sen - Underground Colosseum Sen 5
Zecchou CONTRACT
Theater Drama City
Ashford Gakuen Underground
【Mysterious cave】-私人画家
[Yanagi Masashi] Kawai onna to yobaretai
Chika Tougijou Sen - Underground Colosseum Sen 1
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [English] [0405]
(C94) [SAZ (soba)] Affection over Resentment (Fate/Grand Order) [English] [Cave Translations]
(C92) [Onsoku Ebifly (Nekono Shiro)] Asa kara Meguru to Maji Ero Senpai Suru Hon (Sabbat of The Witch) [English] [Cave Translations]
Watashi ga Maketara Nandemo Iu Koto Kiite Ageru
[Bear's Cave (Tagame Gengoroh)] Jubaku no Seiyatsu - Khoz, The Spellbound Slave [Digital]
Chika Seikou Tougi Club | Underground Sex Fight Club
[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=
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [English] [8/u/ Scanlations] [Digital]
Animal Lover
Aricon
(ComiComi6) [TOYBOX (Jacky, Kurikara)] Cherry Cave (Fate/stay night)
魔力を補うために…
(C95) [Ukatsu de wa Nai (noukatu, Minase Kuru)] Vtuber Sokuhame Kairaku Ochi Bon (Tsukino Mito, Deep Web Underground, Shizuka Rin)
Menhera Usagi to Pet no Alpaca o Mofumofu Shichau Hon
LITTLE WITCH SEX ACADEMIA
Chika Tougijou Sen - Underground Colosseum Sen 2
[Cave Bear] Mia's Tool Ch.0-1 (English) (Ongoing)
Underground Hotel
From The Underground
[Underground Campaign (Senga Migiri, jin)] Dokata Kuchiman Hole - Tobi Hen
DIACO
Chika Tougijou Sen - Underground Colosseum Sen 4 | 지하투기장 센4
(C69) [Okinawa Taieki Gunjinkai] Rynax_Underground (Kurau : Phantom Memory)
[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]
[Mosha Mosha] Hebi no Ketsu [The Snake's Cave] (Naruto) [English] [colored] [Decensored]
Futari no Nichiyoubi
(C62) [C's cheese (Hebimaki Qto)] Nibun no Ichi no Gimai (Tokyo Underground)
Maso no Keifu
Rinjin no bitchi hitodzuma o tsugō yoku bu~tsuokasu!
Pedolia! underground
Underground Athlete Maker
(C73) [Cave (Various)] Korekyou K Kikanain Desu Kedo (Touhou Project)
[Ukkaridou] Nanaka No Mahou de (Nanaka6/17)
Chika Tougijou Sen - Underground Colosseum Sen
DIACOsample
[ffkan]Underground Battle 5
Shukushoubyou Kenshuu
Jubaku no Seiyatsu - Khoz, The Spellbound Slave .
Kyodai Majo Chuuihou
(C66) [Takitate no Okoge, Cave (Ryosuke, Hachi)] Goutsukurishi Kaze (Touhou Project)