(C86) [Kuma-tan Flash! (Hanao.)] 2008-2011 Matomebon 3 (Touhou Project) [Incomplete]
(C56) [AB Normal (NEW AB)] Aido 56789 Soushuuhen (Various)
[Fractal Underground Studio] Pantsu Kuronikuru
(C94) [Kuma-tan Flash! (Kumao Mofumofu)] Abigail to Himitsu no Kagiana (Fate/Grand Order)
Vtuber Sokuhame Kairaku Ochi Hon 2
(Reitaisai 12) [Kuma-tan Flash! (Nishimura Nike)] Remilia to Fushigi no HiAce | A Simmer of Remilia With a Mysterious HiAce (Touhou Project) [English]
【隼素良】欠損玩具の行く末 (Yu-Gi-Oh! Arc-V) (chinese)
[AliceComplex (Naganohara Nis)] Alice in Underground
Chika Seikou Tougi Club | Underground Sex Fight Club
(C75) [Eclipse, Kuma-tan Flash! (Rougetu, Hanao.)] Jarekko Doubutsu (Touhou Project) [English] [MegaFagget]
Maso no Keifu
Ningen wa Oroka | Humans Are Foolish
(Reitaisai 8) [French letter (Fujisaki Hikari)] Pedolia! underground (Touhou Project) [Chinese] [戀芙蘭催婚協會會長封獸鵺個人漢化]
Friends Gyaku Rape Goudoushi 2
[Flash Point (Aoi Takayuki)] Oku-sama wa Mara Tsukai [Sample]
(Reitaisai10) [Kuma-tan Flash! (Hanao)] Muishiki no Kyuuai Koudou (Touhou Project)
(C83) [Kuma-tan Flash! (Hanao.)] Mebius:gate (Touhou Project)
(Reitaisai 8) [French letter (Fujisaki Hikari)] Pedolia! underground (Touhou Project)
[Undergroundou] Tonde Hi ni Iru Natsu no Fundoshi Shounen
Hitsugi
(C90) [Kuma-tan Flash! (Hanao.)] Love Trip (Kantai Collection -KanColle-) [English]
Konya Sabishii Hinageshi wa
Underground Hotel Vol. 1
[Crimson (Carmine)] Yoru no Senritsu (Tokyo Underground)
(C78) [Kuma-tan Flash! (Hanao.)] Moto Souryo no Nikuyoku Seppou - C78 Omake Bon (Touhou Project) [English] [biribiri]
Ashford Gakuen Underground
(Houraigekisen! Yo-i! 2Senme!) [Kuma-tan Flash! (Hanao,Marugoshi,Wakura)] Kanmusu Collection Kai (Kantai Collection -KanColle-)
USHI to KOBUSHI | 소와 주먹
(C78) [Crazy9 (Ichitaka)] Alice in Underground (Ookami-san to Shichinin no Nakama-tachi)
V Tsumamigui
[Saiyazumi] Oneshota Champloo (Shukujo wa Ochinchin Busoku) [English] [flash11]
S to M to M to S
[Nanase Makoto] Chika Ryuushutsu - Leaked to 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]
[Maakou] FLASH BACK
[Cyclone (Izumi Kazuya, Reizei)] Kagami ni Mukau Shoujo (Various) [Digital]
[Sadistic Mary (Hattori Mitsuka)] Queen Bee Honey Flash (Bleach)
[sky & si-o] 罪世 - 第1章 | Tsumi Yo - Chapter 02 [EN]
(Reitaisai 7) [Kuma-tan Flash! (Hanao)] Mebius:loop+Omake (Touhou Project)
(Hyattou Ryouran ~Kimi no Heart o Shirahadori~) [RED FLASH (Maccha)] Koinyoubou Somewake Tazuna (Touken Ranbu)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen [Digital]
Underground Sex Fight Club
Again #2 "Flashback Memories"
[Abura Katabura (Papipurin)] Midgar Underground Capter 1: Tifa Haidaku Nyuumetsu (Final Fantasy VII)
NTR Flash Back
(Reitaisai 8) [French letter (Fujisaki Hikari)] Pedolia! underground (Touhou Project) [English] [MrBubbles]
Sabbath wa Houkago, Chikashitsu de | The Sabbath happens after school, in the underground room
[ONEONE1 (Ahemaru)] Roshutsu Kaijin Flasher Girl ~Kyonyuu Sukeban Marimo AFTER EPISODE~ [Digital]
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [English] [Decensored]
[FLASHBACK & Nippon Gyouretsu Shinkoukai] CHARA EMU CHARACTER EMULATION Series 1 MAGICALGIRLS (Mahou Shoujo Series)
Underground Hotel Vol. 2
[Undergroundou] Hadaka no Tsukiai -Hentai no Atsumaru Ecchi na Sentou-
Underground Hotel Vol. 3
(C75) [Dakimakuma, Jingai Makyou Club (WING☆BIRD)] CHARA EMU W☆BR005 FLASH BACK Uruwashi no Mama P01 (Various)
Kondo mo, Mata FGO Chara no Cosplay Saremashita
Inousha Shoujo Spin-off Yulia Hen | 異能者少女spinoff・尤利娅編
(C88) [Lithium (Uchiga)] Again #2 "Flashback Memories" (God Eater)
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [English] [0405]
NOT JAP
(C80) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] KUMAlipse2 (Touhou Project)
Konya wa Girl's Bar Heiten Shimasu.
(C85) [LongHornTrain (CyoCyo)] Hirameke! Megami no Love Kiss Wand | Flash! Goddess of the Love Kiss Wand (Dokidoki! Precure, Suite Precure) [English] {doujin-moe.us}
[Undergroundou] Seiyoku Bakuhatsu Shounen Vol. 3 -Sex Sense-
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [Digital]
(CR30) [SOFTCHARM (SOFTCHARM)] FULL-SWEEP EARLY UNDERGROUND (Various)
(C82) [Kuma-tan Flash! (Hanao.)] 2010-2011 Matome Bon 2 (Touhou Project)
Miwaku no Red Flash | Fascinating Red Flash {/u/ scanlations}
(C74) [Jingai Makyou Club (Wing Bird)] Charaemu W BR003 FLASH BACK1985 P03 (Various)
(C90) [Kuma-tan Flash! (Hanao.)] Love Trip (Kantai Collection -KanColle-) [Chinese] [洨五個人漢化]
Momiji Hunter | Охотник на Момидзи
Minami Underground
(C49) [H&K (Various)] Ero Manga Kenkyuujo FIRE (Various) [Incomplete]
Honey Flash Seven
(Underground Carnival) [Inyu-goya (Inyucchi)] Chitei no Yakata no Aigan Shoujo (Touhou Project)
[SaHa] Fractal Underground - Warm Kotatsu (English)
(C92) [Kuma-tan Flash! (Kumao Mofumofu)] Yamakaze no Koto, Suki? (Kantai Collection -KanColle-)
[HG Chagawa] Chika Dorei No. 6 - Underground Slave No. 6 (ANGEL Club 2015-01) [English] [desudesu]
(C91) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] Se-no!! (Kantai Collection -KanColle-) [Chinese] [女子力研究X无毒汉化组]
[LFM (Usagi)] Flashing Pink (Sakura Taisen)
(Reitaisai 10) [Kuma-tan Flash! (Hanao.)] Rei 10 OMAKE Hon (Touhou Project)
(C88) [Kuma-tan Flash! (Hanao.)] Akatsuki datte Shireikan no Osewa kurai Dekirundakara!! (Kantai Collection -KanColle-)
[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]
[Stranger_Underground Dou] Jigoku Ezu no Yoru
Chika Tougijou Sen - Underground Colosseum Sen 4
(CR15) [Kaishaku, Project Harakiri (Various)] Kaishaku No Daihyakka Satsujin Neko Daihyakka Gundam Juugo Shuunen Kinen! (Dirty Pair Flash)
(C83) [Kuma-tan Flash! (Hanao.)] OMAKE C83 (Touhou Project)
Sofia-san wa Kashikoi ♥
[Stapspats (Hisui)] Shinso Makou Shoujo THE COMIC White Holy Sword Rizuve and Red Flash Raiza Episode 3
(C74) [FLASH POINT (Aoi Takayuki)] 《0》
(C89) [Kuma-tan Flash! (Hanao.)] Se-no! (Kantai Collection -KanColle-) [Chinese] [CE家族社]
SSSS.GRIDMAN 超全集
(Reitaisai 10) [Kuma-tan Flash! (Hanao.)] Muishiki no Kyuuai Koudou (Touhou Project)
(C89) [ONEONE1 (Kakinomoto Utamaro)] i★dol Shouko FINAL FLASH
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [Decensored]
(Reitaisai 12) [Kuma-tan Flash! (Yamu)] Tanetsuke Oji-san Hazard | Jizz Geezer Hazard (Touhou Project) [English]
(C88) [Jagabata (Oimo)] Miwaku no Red Flash | Fascinating Red Flash (PriPara) [English] {/u/ scanlations}
(Reitaisai 12) [Kuma-tan Flash! (Johnny)] Love & Peace o Senkyou suru Kokujin Checkera Tanetsuke Oji-san (Gensoukyou ni Tanetsuke Oji-san ga Yattekita YA-YA-YA) (Touhou Project) [Chinese]
[Takotsubo Club (Gojou Shino)] Danger Zone 5 (Dirty Pair Flash)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 5 [Chinese] [沒有漢化] [Digital]
[Unknown] Chika Teien | Underground Garden [English]
(C75) [Sadistic Mary (Hattori Mitsuka)] FLASH BACK 20081230 (Bleach)
(C81) [Kumatan Flash!] Futo-chan Ijimetai (Touhou Project)
(Kemoket 4) [Flash Point (Various)] PONY Love (My Little Pony Friendship is Magic) [Chinese] [星翼汉化组]
(C86) [Gekidoku Shoujo (ke-ta)] Underground Blossom (Touhou Project)
(C89) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] Se-no! (Kantai Collection -KanColle-)
The Former Monk's Carnal Desires Sermon
(SC21) [Flash Point (Kawai Takahiro)] dancing DOLL
Omake Book c94
[Kumatan Flash!] Tanoshii Miruho de Popopopo~n! (Tantei Opera Milky Holmes) [English][TLRF+LWB]
BB Jealousy
(C83) [Tricot (Stella.Ing)] From The Underground (The Legend Of Zelda) [English] =SW=
(C99) [Kuma-tan Flash! (Kumao Mofumofu)] Konya Sabishii Hinageshi wa (Fate/Grand Order)
[AB LABORATORY (NEW AB)] Aido 7 - Flash 7 (Dirty Pair Flash)
(C78) [Kuma-tan Flash! (Hanao.)] Moto Souryo no Nikuyoku Seppou - C78 Omake Bon (Touhou Project)
[Yuzunokiichi] Watashi ja Nai Watashi (COMIC Kairakuten 2018-08) [Chinese] [AL4个人汉化] [Digital]
[Nakamura Yukitoshi] Underground Athlete Maker (2D Comic Magazine Kikaikan Ningen Bokujou Vol. 2) [English] [Digital]
[Charie] Child Resolution (Iromeki Girls) [English] [Yuri-ism]
Makafushigi Toumei Ojisan
(C91) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] Se-no!! (Kantai Collection -KanColle-)
[Underground Dou (Stranger)] Jigoku Ezu no Yoru 2
[Red Ribbon Revenger] Valhalla ~Joshou~ (Tokyo Underground & Spiral)
[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=
[Harazaki Takuma] SEARCH
(C76) [Kuma-tan Flash! (Hanao)] Tube Rose (Touhou Project)
Illustration
[Flash Point] P-Magic (Yaoi)
(Kouroumu 5) [Kuma-tan Flash! (Hanao)] Kawazugari -Frog hunting service- (Touhou Project)
Sonna ni Kirei Janakute Ii | 不用那么美丽也可以 Ch. 1
[GENOCIDE (Hattori Gorou)] S4U spats forever The UNDERGROUND insert SATONAKA CHIE (PERSONA 4) [Digital]
(COMIC1☆5) [Kumatan Flash!] Tanoshii Miruho de Popopo~n! (Tantei Opera Milky Holmes)
(CR20) [ALPS, Okachimentaiko Seisakushitsu (Various)] Okachimentaiko Ultra (Various)
[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]
[Hatoba Akane] Touma Senki Cecilia IF Lunaria to Hentai Ouzoku no Wana ~Shuuaku Kaizou Hen~ | Demon Slaying Battle Princess Cecilia IF Lunaria and the Trap of the Perverted Royal Family ~Underground Shit Fight Chapter~ [English] [CulturedCommissions]
ELF SLAVE CATALOG UNDERGROUND Vol. 01
[FLASH POINT] コピー本
(C97) [Shimofutaketa Zorome (Ahou Miya)] Theater Drama City (Deep Web Underground) [English] {Hennojin}
Flash Noise
(C80) [Eclipse, Kuma-tan Flash! (Rougetu, Hanao.)] Bukkake! Seieki Benjo (Touhou Project)
(C61) [JUMBOMAX (Ishihara Souka)] NAJICA FLASH (Najica Blitz Tactics)
(C61) [Matsuge Club (Getsuma)] White Flash (Virtual On)
FLASH BACK 20081230
(C88) [Lithium (Uchiga)] Again #2 "Flashback Memories" (God Eater) [Chinese] [无毒汉化组]
Sorcerer Rubedo-kun
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [Chinese] [沒有漢化] [Digital]
(Shota Scratch 13) [Flash Point (Aoi Takayuki)] P-Boy [English] [mysterymeat3]
[Kisaragi Gunma] Zoku Koukishin ga Tomaranai (COMIC HOTMiLK 2016-08) [Chinese] [Flash Back 90's個人漢化] [Digital]