(C69) [Okinawa Taieki Gunjinkai] Rynax_Underground (Kurau : Phantom Memory)
Shukushoubyou Kenshuu
ELF SLAVE CATALOG UNDERGROUND Vol. 01
[Sentou Kaiiki (o-tani)] Honey 7 Flash! (Cutey Honey)
[Nawanoren (Gachoon)] NNDP 9 (Dirty Pair Flash) [2017-12-31]
[Hazuki Kaoru] Shuuchi no Yakata
[Tsurikichi-Doumei (Various)] Oooka Nan DemoーR (Various)
(C91) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] Se-no!! (Kantai Collection -KanColle-)
[Ameya Kirica] Chichi Pri! [Chinese]
[ONEONE1 (Ahemaru)] Roshutsu Kaijin Flasher Girl ~Kyonyuu Sukeban Marimo AFTER EPISODE~
Ashford Academy Underground
Ashford Gakuen Underground
(CR20) [ALPS, Okachimentaiko Seisakushitsu (Various)] Okachimentaiko Ultra (Various)
[Makita Yoshiharu] Suteki na Kyuujitsu Shinkon (Miman) Hen | A Wonderful Holiday For Newlyweds (Trouble Scramble!) [English] [Kyuukei]
Buchou to Kachou | 部长与课长 1-3
[Underground Campaign (Senga Migiri, jin)] Dokata Kuchiman Hole - Tobi Hen
(CR30) [SOFTCHARM (SOFTCHARM)] FULL-SWEEP EARLY UNDERGROUND (Various)
Ningen wa oroka
[Amanoja9] BEHAVIOUR+17 ~BUNNY FLASH!!~
(C88) [Lithium (Uchiga)] Again #2 "Flashback Memories" (God Eater)
(C76) [Kuma-tan Flash! (Hanao)] Tube Rose (Touhou Project)
(Kouroumu 6) [Kuma-tan Flash! (Hanao)] Hanao no Mozomozo Rakugaki Chou Vol.1 (Touhou Project)
(Reitaisai 7) [Frac (Mitsuki)] Midnight / Flashlight (Touhou Project) [English]
Futari no Nichiyoubi
Zecchou CONTRACT
Chika Tougijou Sen - Underground Colosseum Sen 3
(C83) [Kuma-tan Flash! (Hanao.)] OMAKE C83 (Touhou Project)
Miwaku no Red Flash
(C89) [Kuma-tan Flash! (Hanao.)] Yuuwaku no Harusame (Kantai Collection -KanColle-) [Chinese] [CE家族社]
(C88) [Kuma-tan Flash! (Hanao.)] Akatsuki datte Shireikan no Osewa kurai Dekirundakara!! (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]
Sorcerer Rubedo-kun
Inbou Kyousei Kairaku Esute Zenpen | Underground Forced Pleasure Salon Part 1
[GENOCIDE (Hattori Gorou)] S4U spats forever The UNDERGROUND insert SATONAKA CHIE (PERSONA 4) [Digital]
[Abura Katabura (Papipurin)] Midgar Underground Capter 1: Tifa Haidaku Nyuumetsu (Final Fantasy VII)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [Digital]
Underground wrestling
(Houraigekisen! Yo-i! 2Senme!) [Kuma-tan Flash! (Hanao,Marugoshi,Wakura)] Kanmusu Collection Kai (Kantai Collection -KanColle-)
[Stranger_Underground Dou] Jigoku Ezu no Yoru
Sepia Flash
[Ranchiki (dotsuco)] Mesuochi Idol-kun | Feminizing Degeneration Idol-kun [English] [Nisor] [Digital]
FLASH BACK 20081230
Boshi Chika Resort | Mother and Son Underground Resort
[AKABEi SOFT (ALPHa)] FLASH BACK (Tales of Destiny 2)
(COMIC1☆10) [Kuma-tan Flash! (Hanao.)] Nee-sama no Inai Chinjufu (Kantai Collection -KanColle-)
Menhera Usagi to Pet no Alpaca o Mofumofu Shichau Hon
Mazu no Hoshikuzu | 魔都的星尘 act.1-2
Under the Table [English] [Rewrite] [EZ Rewriter]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [Chinese] [沒有漢化] [Digital]
(C76) [Kazemichiya (Mamo Williams)] Flash Back (Touhou Project) [English]
(C83) [Kuma-tan Flash! (Hanao.)] Mebius:gate (Touhou Project)
(C88) [Jagabata (Oimo)] Miwaku no Red Flash (PriPara)
SSSS.DYNAZENON GRIDMAN UNIVERSE CHARACTER CONCEPT DESIGN
Angelical Pendulum 12 - Angel of Flashing Hunt
タイムマシンにおねがい
]NUDEGIRL | 超裸女
[FLASH POINT] コピー本
Vtuber Sokuhame Kairaku Ochi Hon
Chika Tougijou Sen - Underground Colosseum Sen 5
[TRAP (Urano Mami)] Honey Flash Seven (Cutey Honey)
[Flash Point (Aoi Takayuki)] Oku-sama wa Mara Tsukai [Sample]
(C78) [Kuma-tan Flash! (Hanao.)] Moto Souryo no Nikuyoku Seppou - C78 Omake Bon (Touhou Project)
(C86) [Kuma-tan Flash! (Hanao.)] 2008-2011 Matomebon 3 (Touhou Project) [Incomplete]
(COMIC1☆4) [Kuma-tan Flash! (Hanao)] Mokotan to Fushigina Heya (Touhou Project)
(C89) [Kuma-tan Flash! (Hanao.)] Yuuwaku no Harusame (Kantai Collection -KanColle-)
(C92) [Kuma-tan Flash!, Eclipse (Kumao Mofumofu, Rougetu)] Cupla (Kantai Collection -KanColle-)
Theater Drama City
[Carn] Otome Netoria - Maiden NeTRia | 處女通姦紀實 [Chinese]
[Paint Robo] Nakadashi - Intravaginale Ejakulation
(C89) [Yamaneko Jinja (John Inu)] UNDERGROUND ASCENDANCY (Touhou Project)
Otokonoko ga Futanari JK DeliHeal o Yondara Byou de Mesu Ochi shichaimashita.
[Cha Cha Cha Brothers (Yokoyama Chicha)] Harenchi (Various)
[ffkan]Underground Battle 4
[Gekka Kaguya] Shimai no Kankei | The Relationship of the Sisters-in-Law (Bengoshi -> Futanari -> Namahaishin) [English] [Komori Translations] [Digital]
Okuu to Kare no Hyouryuu Nikki
[Undergroundou] Buta Moyashi
USHI to KOBUSHI | 소와 주먹
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 4 [Digital]
Underground Hotel Vol. 1
Chika Tougijou Sen - Underground Colosseum Sen 4
Supplement
Lost Desired
(C48) [Studio Katsudon (Manabe Joji)] Kyouetsu Shigoku (Various)
[Underground Dou] NOPOR
(Reitaisai 10) [Kuma-tan Flash! (Hanao.)] Muishiki no Kyuuai Koudou (Touhou Project)
Minami Underground
[Fractal Underground Studio] Himitsu no Basho | Secret Place [English] [SaHa]
(Houraigekisen! Yo-i! 2Senme!) [Kuma-tan Flash! (Hanao,Marugoshi,Wakura)] Kanmusu Collection Kai (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]
Illustration
(C94) [Yatsukaan (Yatsuka Yuhata)] Minami Underground (THE IDOLM@STER CINDERELLA GIRLS)
[Fractal Underground Studio] Kodomo Rakuen Ransel Shoujo Hen
(Suukeisai 1) [Kuma-tan Flash!, Z to A (Hanao., Soreko)] Koiji Romanesque (Touhou Project)
Momiji Hunter | Охотник на Момидзи
(Reitaisai 8EX) [Kuma-tan Flash!, HMA (Hanao., Hiyoshi Hana)] Fundoshi Nyoumu - Youmu * Ji Ki Fukkatsu Omedetou Hon -
[ALPS] Okachimentaiko Ultra (Escaflowne, Mobile Suit Gundam, Cutey Honey, Dirty Pair Flash, Tokimeki Memorial, Street Figher Zero, Cyber Formula)
Roshutsu Wakazuma Kikiippatsu! - Flashing wives!
[Unknown] Chika Teien | Underground Garden [Chinese]
[Ukkaridou] Nanaka No Mahou de (Nanaka6/17)
(C89) [Kuma-tan Flash! (Hanao.)] Se-no! (Kantai Collection -KanColle-) [Chinese] [洨五個人漢化]
(Reitaisai 6) [Kuma-tan Flash! (Hanao)] Scarlet (Touhou Project)
FLASHBACK (Toriko)
Chika Tougijou Sen - Underground Colosseum Sen 1
Nagasare Sensei
(C46) [Youmu Shippitsusha Tou (Ohsima Kouichi, Akusyu 0.5 Second, Marun Berei)] Gelbe Sónne 8 (よろず)
(C85) [LongHornTrain (CyoCyo)] Hirameke! Megami no Love Kiss Wand | Flash! Goddess of the Love Kiss Wand (Dokidoki! Precure, Suite Precure) [English] {doujin-moe.us}
Sawari Tsukuse Manin Densha!
[Red Ribbon Revenger (Makoushi)] Shiro (Star Ocean: Till the End of Time)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [English] [8/u/ Scanlations] [Digital]
(C74) [Kumatan Flash! (Hanao)] Tabasa Channel (Zero no Tsukaima)
Himitsu no TS Chika Kenkyuujo | Secret TS Underground Lab
[Kumatan Flash!] Tanoshii Miruho de Popopopo~n! (Tantei Opera Milky Holmes) [English][TLRF+LWB]
Uramono Zasshi No Fan Wa Yahari Orokamono De Aru | Fans of Underground Magazines are Truly Fools
(C86) [Gekidoku Shoujo (ke-ta)] Underground Blossom (Touhou Project)
[UNDERGROUND CAMPAIGN (Senga Migiri, Toriki Kuuya)] Ryuuseigou ni Notte Alternative 2
(C79) [Kuma-tan Flash! (Hanao)] Kuugeki no Sacrifice (Touhou Project)
Makafushigi Toumei Ojisan
Muu Sasaki - PPG Flash
[FLASHBACK & Nippon Gyouretsu Shinkoukai] CHARA EMU CHARACTER EMULATION Series 1 MAGICALGIRLS (Mahou Shoujo Series)
(Reitaisai 7) [Kuma-tan Flash! (Hanao)] Mebius:loop+Omake (Touhou Project)
(C95) [Ukatsu de wa Nai (noukatu, Minase Kuru)] Vtuber Sokuhame Kairaku Ochi Bon (Tsukino Mito, Deep Web Underground, Shizuka Rin) [Chinese] [homolive汉化组]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen [English] [Sexy Akiba Detectives] [Digital]
(Kemoket 4) [Flash Point (Various)] PONY Love (My Little Pony Friendship is Magic) [Chinese] [星翼汉化组]
(C62) [C's cheese (Hebimaki Qto)] Nibun no Ichi no Gimai (Tokyo Underground)
Underground Sex Fight Club
(C61) [JUMBOMAX (Ishihara Souka)] NAJICA FLASH (Najica Blitz Tactics)
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [English] [0405]
[LFM (Usagi)] Flashing Pink (Sakura Taisen)
(C88) [Jagabata (Oimo)] Miwaku no Red Flash | Fascinating Red Flash (PriPara) [English] {/u/ scanlations}
(C83) [Tricot (Stella.Ing)] From the Underground (The Legend Of Zelda)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 5 [Digital]
[Undergroundou] Seiyoku Bakuhatsu Shounen Vol. 3 -Sex Sense-
[ONEONE1 (Ahemaru)] Roshutsu Kaijin Flasher Girl ~Kyonyuu Sukeban Marimo AFTER EPISODE~ [Chinese] [不咕鸟汉化组] [Digital]
Shinso Makou Shoujo THE COMIC White Holy Sword Rizuve and Red Flash Raiza Episode 1
(C87) [The Seventh Sign (Kagura Yuuto)] RF Private Room no Ichiban Amai Yoru (The Legend of Heroes: Trails of the Flash) [Chinese] [湿身之蛇汉化组]
Underground Hotel Vol. 2
(Reitaisai 8) [Kuma-tan Flash! (Hanao)] Except soul (Touhou Project)
(C89) [CREAYUS (Rangetsu)] FLASH NOISE (CODE GEASS: Lelouch of the Rebellion)
Alpha ga Alpha o Daku Houhou | α与α做爱的方法 1-6 完结