[Underground Campaign (Senga Migiri, jin)] Dokata Kuchiman Hole - Tobi Hen
[UNDERGROUND CAMPAIGN (Senga Migiri, Toriki Kuuya)] Ryuuseigou ni Notte Alternative 2
[UNDERGROUND CAMPAIGN (Muma, Senga Migiri)] Maison Liberté | Midsummer Daydream [English] [Leon990 Scanlations] [Digital]
[C's cheese] ANAN Gango no Miko (Tokyo Underground)
[Red Ribbon Revenger] Valhalla ~Joshou~ (Tokyo Underground & Spiral)
[Fractal Underground Studio] Himitsu no Basho | Secret Place [English] [SaHa]
(Osuket 2) [UNDERGROUND CAMPAIGN (Senga Migiri, jin)] Yasei
[Fractal Underground Studio] Kodomo Rakuen Ransel Shoujo Hen
[RED RIBBON REVENGER (Makoushi, Takatoo Juna)] Shiro (Spiral, Tokyo Underground)
[Fractal Underground Studio] Pantsu Kuronikuru
[Ribonatsu] G (Tokyo Underground)
(C62) [C's cheese (Hebimaki Qto)] Nibun no Ichi no Gimai (Tokyo Underground)
[SaHa] Fractal Underground - Warm Kotatsu (English)
[Crimson (Carmine)] Yoru no Senritsu (Tokyo Underground)
[Undergroundou] Underground Natural Klutz Orgasm VI
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [English] [8/u/ Scanlations] [Digital]
(C94) [Yatsukaan (Yatsuka Yuhata)] Minami Underground (THE IDOLM@STER CINDERELLA GIRLS)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 4 [Chinese] [沒有漢化] [Digital]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 4 [Digital]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [Chinese] [沒有漢化] [Digital]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen [Chinese] [沒有漢化] [Digital]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [Digital]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [Digital]
(CR30) [SOFTCHARM (SOFTCHARM)] FULL-SWEEP EARLY UNDERGROUND (Various)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen [Digital]
[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) [English] [Digital]
[Unknown] Chika Teien | Underground Garden [English]
(C89) [Yamaneko Jinja (John Inu)] UNDERGROUND ASCENDANCY (Touhou Project)
(SPARK8) [Radistar (157)] Triglav Underground Railway (Tales of Xillia)
[HG Chagawa] Chika Dorei No. 6 - Underground Slave No. 6 (ANGEL Club 2015-01) [English] [desudesu]
(C86) [Gekidoku Shoujo (ke-ta)] Underground Blossom (Touhou Project)
[Cyclone (Izumi Kazuya, Reizei)] Kagami ni Mukau Shoujo (Various) [Digital]
(C83) [Tricot (Stella.Ing)] From the Underground (The Legend Of Zelda)
(Underground Carnival) [Kougeki (Ootsuki Wataru)] Speechless (Touhou Project)
[Underground Dou (Stranger)] Jigoku Ezu no Yoru 2
[Underground Dou] NOPOR
[Underground dou] Koushuu Benjo Shounen
(Reitaisai 8) [French letter (Fujisaki Hikari)] Pedolia! underground (Touhou Project)
(C78) [Crazy9 (Ichitaka)] Alice in Underground (Ookami-san to Shichinin no Nakama-tachi) [English] {doujin-moe.us}
(C78) [bolze. (rit.)] The Sunshine Underground (Heart Catch Precure)
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [Decensored]
[Ukkaridou] Nanaka No Mahou de (Nanaka6/17)
(C69) [RED RIBBON REVENGER (Makoushi)] Valhalla ~ Dainishou~ Fuyu no Arashi (Spiral)
[Cyclone] Kagami ni Mukau Shoujo (Magic Knights Rayearth)
[Nanase Makoto] Chika Ryuushutsu - Leaked to Underground
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass)
[Zokubutsu.zip (Asuka)] Zokubutsu.zip (9) Chika | Underground [English] [Digital]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 5 [Digital]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 5 [Chinese] [沒有漢化] [Digital]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen [English] [Sexy Akiba Detectives] [Digital]
[Unknown] Chika Teien | Underground Garden [Chinese]
[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]
(C83) [Tricot (Stella.Ing)] From The Underground (The Legend Of Zelda) [English] =SW=
(C69) [RED RIBBON REVENGER (Makoushi)] Valhalla ~ Dainishou~ Fuyu no Arashi (Spiral) [Digital]
[Red Ribbon Revenger (Makoushi)] Shiro (Star Ocean: Till the End of Time)
(C87) [Yamaneko Jinja (John Inu)] Journey Into Underground (Touhou Project)
[GENOCIDE (Hattori Gorou)] S4U spats forever The UNDERGROUND insert SATONAKA CHIE (PERSONA 4) [Digital]
(Underground Carnival) [Inyu-goya (Inyucchi)] Chitei no Yakata no Aigan Shoujo (Touhou Project)
(C78) [Crazy9 (Ichitaka)] Alice in Underground (Ookami-san to Shichinin no Nakama-tachi)