(C84) [Kuma-tan Flash! (Various)] Kanmusu Collection (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]
Underground arena no sen
(CR20) [ALPS, Okachimentaiko Seisakushitsu (Various)] Okachimentaiko Ultra (Various)
Chika Tougijou Sen - Underground Colosseum Sen 2
(C78) [Crazy9 (Ichitaka)] Alice in Underground (Ookami-san to Shichinin no Nakama-tachi)
Underground Sex Fight Club
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [English] [0405]
ジュンさん本
(Reitaisai 12) [Kuma-tan Flash! (Yamu)] Tanetsuke Oji-san Hazard | Jizz Geezer Hazard (Touhou Project) [English]
Kenryokusha ni Sakaraezu 2-koma Ochisuru Hon
(C91) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] Se-no!! (Kantai Collection -KanColle-)
[FLASH POINT] コピー本
(C92) [Kuma-tan Flash!, Eclipse (Kumao Mofumofu, Rougetu)] Cupla (Kantai Collection -KanColle-)
Shinso Makou Shoujo THE COMIC White Holy Sword Rizuve and Red Flash Raiza Episode 3
[RED RIBBON REVENGER] kuro
Underground wrestling
Straylight Porno + OMAKE BOOK C96
Honey Flash Seven
(C91) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] Supplement (Kantai Collection -KanColle-)
Ashford Gakuen Underground
[Ribonatsu] G (Tokyo Underground)
[Cyclone] Kagami ni Mukau Shoujo (Magic Knights Rayearth)
(MILLION FESTIV@L 3) [Kuma-tan Flash! (Hanao.)] Masaka Idol o Yogosu Tsumori Ja Nai Desu yo ne? Dame Producer (THE IDOLM@STER MILLLION LIVE!)
[ffkan]Underground Battle 5
Sonna ni Kirei Janakute Ii | 不用那么美丽也可以 Ch. 1
[Korotsuke] Hitozuma Switch - Roshutsu Hen | Married Woman Switch - Flasher Chapter (COMIC HOTMiLK Koime Vol. 22) [English] {darknight} [Digital]
[Maakou] FLASH BACK
[ONEONE1 (Ahemaru)] Roshutsu Kaijin Flasher Girl ~Kyonyuu Sukeban Marimo AFTER EPISODE~ [English] [SMDC]
S to M to M to S
Zecchou CONTRACT
(C87) [Yamaneko Jinja (John Inu)] Journey Into Underground (Touhou Project)
Chika Tougijou Sen - Underground Colosseum Sen 3
From The Underground
Underground Hotel
[Nawanoren (Gachoon)] NNDP 9 (Dirty Pair Flash) [2017-12-31]
Miwaku no Red Flash
Uchi no Kawaii Doukyonin-san Sono Go | My Cute Roommate Epilogue
Theater Drama City
(Reitaisai 12) [Kuma-tan Flash! (Habara Meguru)] Momiji Hunter (Gensoukyou ni Tanetsuke Oji-san ga Yattekita YA-YA-YA) (Touhou Project) [English]
(C83) [Tricot (Stella.Ing)] From The Underground (The Legend Of Zelda) [English] =SW=
[Red Ribbon Revenger (Makoushi)] Shiro (Star Ocean: Till the End of Time)
(C89) [CREAYUS (Rangetsu)] Flash Noise (Code Geass: Lelouch of the Rebellion) [English] [EHCove]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen [English] [Sexy Akiba Detectives] [Digital]
(C89) [Kuma-tan Flash! (Hanao.)] Se-no! (Kantai Collection -KanColle-) [Chinese] [CE家族社]
Uramono Zasshi No Fan Wa Yahari Orokamono De Aru | Fans of Underground Magazines are Truly Fools
Haha No Kawaki | 義母的性飢渴
Honey 7 Flash!
(COMIC1☆7) [Kuma-tan Flash! (Hanao.)] IDOLING (Danganronpa) [2nd Edition 2013-06-30] + Tokuten Shousasshi
[A-mania9's (Amanoja9)] BEHAVIOUR+17 ~BUNNY FLASH!!~ [Chinese] [Digital]
【隼素良】欠損玩具の行く末 (Yu-Gi-Oh! Arc-V) (chinese)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [English] [8/u/ Scanlations] [Digital]
Vtuber Sokuhame Kairaku Ochi Hon 2
Underground Hotel Vol. 2
(C76) [Kazemichiya (Mamo Williams)] Flash Back (Touhou Project)
(C81) [Kuma-tan Flash!] Scapegoat Act:2 (Touhou Project)
NOT JAP
(Osuket 2) [UNDERGROUND CAMPAIGN (Senga Migiri, jin)] Yasei
[Zokubutsu.zip (Asuka)] Zokubutsu.zip (9) Chika | Underground [English] [Digital]
Mazu no Hoshikuzu | 魔都的星尘 act.1-2
Raven Flash
(C76) [Kuma-tan Flash! (Hanao)] Tube Rose (Touhou Project)
(C62) [C's cheese (Hebimaki Qto)] Nibun no Ichi no Gimai (Tokyo Underground)
(C86) [Gekidoku Shoujo (ke-ta)] Underground Blossom (Touhou Project)
(C88) [Jagabata (Oimo)] Miwaku no Red Flash | Fascinating Red Flash (PriPara) [English] {/u/ scanlations}
(C96) [SILENT HILL (Morisoba)] NOT JAP (Deep Web Underground) [English] {Hennojin}
[Urushihara Satoshi] Ai Mizuho | Love Mizuho (COMIC Tenma 2003-05) [English] [Tonigobe]
(C89) [Yamaneko Jinja (John Inu)] UNDERGROUND ASCENDANCY (Touhou Project)
(C86) [Kuma-tan Flash! (Hanao.)] 2008-2011 Matomebon 3 (Touhou Project) [Incomplete]
(C82) [Kuma-tan Flash! (Hanao.)] 2010-2011 Matome Bon 2 (Touhou Project)
Kondo mo, Mata FGO Chara no Cosplay Saremashita
Again #2 "Flashback Memories"
(Reitaisai 12) [Kuma-tan Flash! (Nishimura Nike)] Remilia to Fushigi no HiAce | A Simmer of Remilia With a Mysterious HiAce (Touhou Project) [English]
Underground Athlete Maker
(C85) [Dakimakuma, Jingai Makyou Club (Wing Bird)] CHARA EMU W☆BR010 FLASHBACK 1983 P01 (Various)
[SaHa] Fractal Underground - Warm Kotatsu (English)
Muu Sasaki - PPG Flash
[Fractal Underground Studio] Kodomo Rakuen Ransel Shoujo Hen
[Ranchiki (dotsuco)] Mesuochi Idol-kun | Feminizing Degeneration Idol-kun [English] [Nisor] [Digital]
[Gekka Kaguya] Shimai no Kankei | The Relationship of the Sisters-in-Law (Bengoshi -> Futanari -> Namahaishin) [English] [Komori Translations] [Digital]
[ffkan]Underground Battle 4
[Kumatan Flash!] Tanoshii Miruho de Popopopo~n! (Tantei Opera Milky Holmes) [English][TLRF+LWB]
[Paint Robo] Nakadashi - Intravaginale Ejakulation
Flower Attack Moonlight
(C61) [Matsuge Club (Getsuma)] White Flash (Virtual On)
タイムマシンにおねがい
[Dakimakuma, Jingai Makyou Club (WING☆BIRD)] CHARA EMU W☆BR002 FLASH BACK1985 P02 (Various)
(Reitaisai 6) [Kuma-tan Flash! (Hanao)] Scarlet (Touhou Project)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 5 [Chinese] [沒有漢化] [Digital]
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [Chinese] [萌舞の裏組漢化] [Decensored]
(COMIC1☆4) [Kuma-tan Flash! (Hanao)] Mokotan to Fushigina Heya (Touhou Project)
Alpha ga Alpha o Daku Houhou | α与α做爱的方法 1-6 完结
[Underground Dou (Stranger)] Jigoku Ezu no Yoru 2
Konya Sabishii Hinageshi wa
(C89) [Kuma-tan Flash! (Hanao.)] Yuuwaku no Harusame (Kantai Collection -KanColle-)
Underground Garden
BEHAVIOUR+17 ~BUNNY FLASH!!~
HUG and KISS
Sofia-san wa Kashikoi ♥
(C94) [Kuma-tan Flash! (Kumao Mofumofu)] Abigail to Himitsu no Kagiana (Fate/Grand Order)
[Undergroundou] Haru no Shura - Seifuku Shounen to Geshuku Daigakusei no Ikenai Kankei -
[Bai Asuka] Boku no Kaa-san wa Yuujin no Mesuinu Ch. 1-3 [English] [biribiri]
[Undergroundou] Tonde Hi ni Iru Natsu no Fundoshi Shounen
Underground
[Aizen Mana] Hagukumi-ai wa maiban komame ni ~ toshishita kareshi no 凸 seicho kiroku | 每晚都要勤勤勉勉培育愛~年下男友的凸成長紀錄~ Ch.1-2 [Chinese] [莉赛特汉化组]
(C78) [Akai Maruboro] Mio-jou ni eroime ni Attemoraou Tokusei Tadaku Flash Paper (K-On)
[U.M.E.Project (ukyo_rst)] ELF SLAVE CATALOG UNDERGROUND Vol.02 [Digital]
Humiliation underground
DWU Sennou Ryoujoku
(C78) [Kuma-tan Flash! (Hanao)] Scapegoat Act: 1 (Touhou Project)
Pedolia! underground
(C80) [Eclipse, Kuma-tan Flash! (Rougetu, Hanao.)] Bukkake! Seieki Benjo (Touhou Project)
(Reitaisai 11) [Kuma-tan Flash! (Hanao.)] concern (Touhou Project)
(C84) [Kuma-tan Flash! (Hanao.)] Mebius:last (Touhou Project)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [English] [8/u/ Scanlations] [Digital]
(C79) [Kuma-tan Flash! (Hanao)] Kuugeki no Sacrifice (Touhou Project)
Miwaku no Red Flash | Fascinating Red Flash {/u/ scanlations}
(C84) [Kuma-tan Flash! (Various)] Kanmusu Collection (Kantai Collection -KanColle-)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 4 [Digital]
Ningen wa oroka
NAJICA FLASH
[AliceComplex (Naganohara Nis)] Alice in Underground