(C95) [Kuma-tan Flash! (Kumao Mofumofu)] BB Jealousy (Fate/Grand Order)
Underground Sex Fight Club
(C88) [Lithium (Uchiga)] Again #2 "Flashback Memories" (God Eater) [English] [N04h]
[Amanoja9] BEHAVIOUR+17 ~BUNNY FLASH!!~
[UNDERGROUND CAMPAIGN (Senga Migiri)] USHI to KOBUSHI [Chinese] [同文城] [Digital]
Zokubutsu.zip Chika | Underground
[Maakou] FLASH BACK
KUMAlipse3
Onnanoko ni Yaritai Houdai
(C94) [Kuma-tan Flash! (Kumao Mofumofu)] Abigail to Himitsu no Kagiana (Fate/Grand Order)
Midnight / Flashlight
(C45) [Monkey Reppuutai (Various)] Dengeki Monkey Reppuutai V (Various)
(C96) [SILENT HILL (Morisoba)] NOT JAP (Deep Web Underground) [English] {Hennojin}
(C86) [Gekidoku Shoujo (ke-ta)] Underground Blossom (Touhou Project)
Enkou Mor-san
FLASH BACK 20081230
(C75) [FLASH POINT (Aoi Takayuki)] 《0》 2
[ IZUMIYA (Teshigotoya Yoshibee, Sen fuji kaiko) ] FLASH BACK 2 (Doraemon)
[Dakimakuma, Jingai Makyou Club (WING☆BIRD)] CHARA EMU W☆BR002 FLASH BACK1985 P02 (Various)
Uchi no Kawaii Doukyonin-san Sono Go | My Cute Roommate Epilogue
Alpha ga Alpha o Daku Houhou | α与α做爱的方法 1-6 完结
(Reitaisai 6) [Kuma-tan Flash! (Hanao)] Scarlet (Touhou Project)
Chika Tougijou Sen - Underground Colosseum Sen
ELF SLAVE CATALOG UNDERGROUND Vol.02
Chika Tougijou Sen - Underground Colosseum Sen 4
(C90) [Kuma-tan Flash! (Hanao.)] Love Trip (Kantai Collection -KanColle-) [English]
(C97) [Shimofutaketa Zorome (Ahou Miya)] Theater Drama City (Deep Web Underground) [English] {Hennojin}
(C81) [Caramel Macchiato (Maki)] [Sokuhou] Wriggle wa Otokonoko | [News Flash] Wriggle is a Boy (Touhou Project) [English] [LoliAce]
(C91) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] Se-no!! (Kantai Collection -KanColle-)
(C68) [Sadistic Mary (Hattori Mitsuka)] FLASH BACK 20050813 (Bleach)
Slut Kitty
Shukushoubyou Kenshuu
(C97) [54BURGER, Eclipse, Kuma-tan Flash! (Kumao Mofumofu, Marugoshi, rougetu)] Otona o Karakau n ja nai! (Fate/Grand Order) [Chinese] [脸肿汉化组]
V Tsumamigui
[Nanase Makoto] Chika Ryuushutsu - Leaked to Underground
FLASHBACK (Toriko)
Underground arena no sen
Hatsukoi wa Jukusei Sasete
Inousha Shoujo Spin-off Yulia Hen | 異能者少女spinoff・尤利娅編
NTR Flash Back
(Reitaisai 11) [Kuma-tan Flash! (Hanao.)] concern (Touhou Project)
(C90) [Kuma-tan Flash! (Hanao.)] Love Trip (Kantai Collection -KanColle-)
[Ukkaridou] Nanaka No Mahou de (Nanaka6/17)
Daigaku no Senpai to Nori de Kiss Shitetara Sono Hi no Uchi ni Issen Koechatta Hanashi
[Paint Robo] Nakadashi - Intravaginale Ejakulation
[Unknown] Chika Teien | Underground Garden [English]
[Red Ribbon Revenger] Valhalla ~Joshou~ (Tokyo Underground & Spiral)
Illustration
[Yukari Minemi] Chijo no Su Ore no Nikunou o Ubai Au Mesuinutachi | 痴女之巢 互相爭奪我的肉棒的牝犬們 [Chinese]
Sabbath wa Houkago, Chikashitsu de | The Sabbath happens after school, in the underground room
Konya wa Girl's Bar Heiten Shimasu.
(Reitaisai 8) [French letter (Fujisaki Hikari)] Pedolia! underground (Touhou Project)
[GADGET] jumping jack flash (Various)
(C87) [Kuma-tan Flash! (Various)] Hamedori Collection (Kantai Collection -KanColle-)
Albino Sakura-chan to Ama Ecchi
(Reitaisai10) [Kuma-tan Flash! (Hanao)] Muishiki no Kyuuai Koudou (Touhou Project)
Underground Athlete Maker
ELF SLAVE CATALOG UNDERGROUND Vol. 01
[ONEONE1 (Ahemaru)] Roshutsu Kaijin Flasher Girl ~Kyonyuu Sukeban Marimo AFTER EPISODE~ [English] [SMDC]
[Carn] Otome Netoria - Maiden NeTRia | 處女通姦紀實 [Chinese]
Ashford Gakuen Underground
(Osuket 2) [UNDERGROUND CAMPAIGN (Senga Migiri, jin)] Yasei
[Ameya Kirica] Chichi Pri! [Chinese]
From The Underground
(Shota Scratch 13) [Flash Point (Aoi Takayuki)] P-Boy [English] [mysterymeat3]
[Undergroundou] Seiyoku Bakuhatsu Shounen Vol. 3 -Sex Sense-
[Stranger_Underground Dou] Jigoku Ezu no Yoru
[Flash Point (Aoi Takayuki)] Oku-sama wa Mara Tsukai [Sample]
Underground
Buchou to Kachou | 部长与课长 1-3
[LFM (Usagi)] Flashing Pink (Sakura Taisen)
(C77) [Flash Point (Aoi Takayuki)] Natsu Shounen - Summer Boy (Summer Wars)
(Reitaisai 12) [Kuma-tan Flash! (Satetsu)] Oji-san of Scroll | Uncle of the Scrolls (Gensoukyou ni Tanetsuke Oji-san ga Yattekita YA-YA-YA) (Touhou Project) [English]
(C61) [JUMBOMAX (Ishihara Souka)] NAJICA FLASH (Najica Blitz Tactics)
Mazu no Hoshikuzu | 魔都的星尘 act.1-2
Sorcerer Rubedo-kun
(C45) [Meirei Denpa (Various)] Meirei Denpa Shuuchuuchiryou (Various)
(C84) [Kuma-tan Flash! (Various)] Kanmusu Collection (Kantai Collection -KanColle-)
(Reitaisai 8) [Kuma-tan Flash! (Hanao)] Except soul (Touhou Project)
Chika Tougijou Sen - Underground Colosseum Sen 2
[Gekka Kaguya] Shimai no Kankei | The Relationship of the Sisters-in-Law (Bengoshi -> Futanari -> Namahaishin) [English] [Komori Translations] [Digital]
(COMIC1☆9) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] HELLO (Kantai Collection -KanColle-)
Agata - COMIC Shingeki 2014-12 [Textless]
(C92) [Kuma-tan Flash! (Kumao Mofumofu)] Yamakaze no Koto, Suki? (Kantai Collection -KanColle-)
(C83) [Tricot (Stella.Ing)] From the Underground (The Legend Of Zelda)
[Underground dou] Koushuu Benjo Shounen
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [English] [8/u/ Scanlations] [Digital]
Uramono Zasshi No Fan Wa Yahari Orokamono De Aru | Fans of Underground Magazines are Truly Fools
[Pull Top] Rakugaki 3
(C88) [Jagabata (Oimo)] Miwaku no Red Flash | Fascinating Red Flash (PriPara) [English] {/u/ scanlations}
[Underground Dou] NOPOR
(C89) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] Se-no! (Kantai Collection -KanColle-) [Chinese] [洨五個人漢化]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen [Digital]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [Chinese] [沒有漢化] [Digital]
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [Decensored]
(COMIC1☆10) [Kuma-tan Flash! (Hanao.)] Nee-sama no Inai Chinjufu (Kantai Collection -KanColle-)
[Kuma-tan Flash!] 2008-2009 Matome Hon 1
Nagasare Sensei
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 5 [Digital]
(Underground Carnival) [Inyu-goya (Inyucchi)] Chitei no Yakata no Aigan Shoujo (Touhou Project)
(Reitaisai 6) [54burger, Eclipse, Kuma-tan Flash! (Marugoshi, Rougetu, Hanao.)] Erohon. (Touhou Project)
(C89) [CREAYUS (Rangetsu)] FLASH NOISE (CODE GEASS: Lelouch of the Rebellion)
[sky & si-o] 罪世 - 第1章 | Tsumi Yo - Chapter 02 [EN]
[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]
《0》 2
[Stapspats (Hisui)] Shinso Makou Shoujo THE COMIC White Holy Sword Rizuve and Red Flash Raiza Episode 3
Rinjin no bitchi hitodzuma o tsugō yoku bu~tsuokasu!
[Red Ribbon Revenger (Makoushi)] Shiro (Star Ocean: Till the End of Time)
(COMIC1☆4) [Kuma-tan Flash! (Hanao)] Mokotan to Fushigina Heya (Touhou Project)
(C89) [CREAYUS (Rangetsu)] FLASH NOISE (CODE GEASS: Lelouch of the Rebellion) [Chinese] [UAl汉化组]
Raven Flash
(C81) [Kuma-tan Flash!] Scapegoat Act:2 (Touhou Project)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [Chinese] [沒有漢化] [Digital]
(C78) [Crazy9 (Ichitaka)] Alice in Underground (Ookami-san to Shichinin no Nakama-tachi)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 5 [Chinese] [沒有漢化] [Digital]
(C49) [H&K (Various)] Ero Manga Kenkyuujo FIRE (Various)
(Kemoket 4) [Flash Point (Various)] PONY Love (My Little Pony Friendship is Magic) [Chinese] [星翼汉化组]
Shinso Makou Shoujo THE COMIC White Holy Sword Rizuve and Red Flash Raiza Episode 2
]NUDEGIRL | 超裸女
[TRAP (Urano Mami)] Honey Flash Seven (Cutey Honey F)
Honey 7 Flash!
Chika Tougijou Sen - Underground Colosseum Sen 5
ジュンさん本
(C89) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] Se-no! (Kantai Collection -KanColle-)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen [English] [Sexy Akiba Detectives] [Digital]
(C75) [Eclipse, Kuma-tan Flash! (Rougetu, Hanao.)] Jarekko Doubutsu (Touhou Project)