(Reitaisai 7) [Frac (Mitsuki)] Midnight / Flashlight (Touhou Project)
(C91) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] Supplement (Kantai Collection -KanColle-)
(CR21) [Rocket Kyoudai (Various)] HONEY FLASH (Cutey Honey, Mega Man)
Chika Teien | Underground Garden
Chika Tougijou Sen - Underground Colosseum Sen 1
[Cyclone (Izumi Kazuya, Reizei)] Kagami ni Mukau Shoujo (Various) [Digital]
[AKABEi SOFT (ALPHa)] FLASH BACK (Tales of Destiny 2)
A New World Surviving, Fish Catching, Aquaculture Entrepreneuring Inseminator Uncle (Touhou Project) [English]
SSSS.GRIDMAN 超全集
Sawari Tsukuse Manin Densha!
Chika Tougijou Sen - Underground Colosseum Sen 4
(Kouroumu 5) [Kuma-tan Flash! (Hanao)] Kawazugari -Frog hunting service- (Touhou Project)
(C68) [Sadistic Mary (Hattori Mitsuka)] FLASH BACK 20050813 (Bleach)
(Reitaisai 12) [Kuma-tan Flash! (Various)] Gensoukyou ni Tanetsuke Oji-san ga Yattekita YA-YA-YA | HOORAY! A Seeding Uncle has made it into Gensoukyou (Touhou Project) [English] [robypoo]
Chika Seikou Tougi Club | Underground Sex Fight Club
Otokonoko ga Futanari JK DeliHeal o Yondara Byou de Mesu Ochi shichaimashita.
[Crimson (Carmine)] Yoru no Senritsu (Tokyo Underground)
(COMIC1☆9) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] HELLO (Kantai Collection -KanColle-) [Chinese] [CE家族社]
[Undergroundou] Buta Moyashi
(Reitaisai 12) [Kuma-tan Flash! (Danshaku)] Kyoufu! Remilia Oji-san no Kai | Horror! The Mystery of Uncle Remilia! (Gensoukyou ni Tanetsuke Oji-san ga Yattekita YA-YA-YA) (Touhou Project) [English]
(C81) [Kumatan Flash!] Futo-chan Ijimetai (Touhou Project)
[Charie] Child Resolution (Iromeki Girls) [English] [Yuri-ism]
(C85) [Kuma-tan Flash! (Hanao.)] Okuu to Kare no Hyouryuu Nikki (Touhou Project)
(C61) [JUMBOMAX (Ishihara Souka)] NAJICA FLASH (Najica Blitz Tactics)
(C66) [Pon'yori Densetsu (Eririn)] Sekai no chushin de hanifurasshu | Honeyflash in Centre of the World! (Cutey Honey)
(COMIC1☆10) [Kuma-tan Flash! (Hanao.)] Nee-sama no Inai Chinjufu (Kantai Collection -KanColle-)
(Kouroumu 6) [Kuma-tan Flash! (Hanao)] Hanao no Mozomozo Rakugaki Chou Vol.1 (Touhou Project)
Hakoiri Ninja Gaiden Emaki
(C82) [Kuma-tan Flash! (Hanao.)] 2010-2011 Matome Bon 2 (Touhou Project)
《0》 2
(COMIC1☆9) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] HELLO (Kantai Collection -KanColle-)
Chika Tougijou Sen - Underground Colosseum Sen
(C94) [Kuma-tan Flash! (Kumao Mofumofu)] Omake Book C94 (Fate/Grand Order)
Under the Table [English] [Rewrite] [EZ Rewriter]
(C89) [ONEONE1 (Kakinomoto Utamaro)] i★dol Shouko FINAL FLASH
Uchi no Kawaii Doukyonin-san Sono Go | My Cute Roommate Epilogue
[AliceComplex (Naganohara Nis)] Alice in Underground
[FLASHBACK & Nippon Gyouretsu Shinkoukai] CHARA EMU CHARACTER EMULATION Series 1 MAGICALGIRLS (Mahou Shoujo Series)
[Rinsun] KNight Mare Underground ~Shimai Kishi, Kanraku Dungeon~ ch. 2
(C89) [CREAYUS (Rangetsu)] FLASH NOISE (CODE GEASS: Lelouch of the Rebellion)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 4 [Digital]
[UNDERGROUND CAMPAIGN (Muma, Senga Migiri)] Maison Liberté | Midsummer Daydream [English] [Leon990 Scanlations] [Digital]
Uramono Zasshi No Fan Wa Yahari Orokamono De Aru | Fans of Underground Magazines are Truly Fools
(C86) [Kuma-tan Flash! (Hanao.)] 2008-2011 Matomebon 3 (Touhou Project) [Incomplete]
(C75) [Sadistic Mary (Hattori Mitsuka)] FLASH BACK 20081230 (Bleach)
Hitsugi
(C76) [Kazemichiya (Mamo Williams)] Flash Back (Touhou Project)
[Taniguchi-san] -Tamashii-INSERT LEVEL 2 Shojo Dorobou (COMIC Unreal 2015-06 Vol. 55) [Chinese] [無邪気漢化組]
[Yuzunokiichi] Watashi ja Nai Watashi (COMIC Kairakuten 2018-08) [Chinese] [AL4个人汉化] [Digital]
(C79) [Kuma-tan Flash! (Hanao)] Kuugeki no Sacrifice (Touhou Project)
S to M to M to S
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 5 [Chinese] [沒有漢化] [Digital]
(Reitaisai 8) [French letter (Fujisaki Hikari)] Pedolia! underground (Touhou Project) [English] [MrBubbles]
[ONEONE1 (Ahemaru)] Roshutsu Kaijin Flasher Girl ~Kyonyuu Sukeban Marimo AFTER EPISODE~ [Chinese] [不咕鸟汉化组] [Digital]
Underground
(Reitaisai 8) [Kuma-tan Flash! (Hanao)] Except soul (Touhou Project)
FLASH BACK 20081230
(C47) [Mengerekun, VETO (Captain Kiesel, ZOL)] Flash Back (Dirty Pair Flash)
[ALPS] Okachimentaiko Ultra (Escaflowne, Mobile Suit Gundam, Cutey Honey, Dirty Pair Flash, Tokimeki Memorial, Street Figher Zero, Cyber Formula)
(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!)
Watashi ga Maketara Nandemo Iu Koto Kiite Ageru
Lost Desired
[LFM (Usagi)] Flashing Pink (Sakura Taisen)
(C75) [Eclipse, Kuma-tan Flash! (Rougetu, Hanao.)] Jarekko Doubutsu (Touhou Project) [English] [MegaFagget]
(C84) [Kuma-tan Flash! (Various)] Kanmusu Collection (Kantai Collection -KanColle-)
(C69) [RED RIBBON REVENGER (Makoushi)] Valhalla ~ Dainishou~ Fuyu no Arashi (Spiral)
Roshutsu Kaijin Flasher Girl ~Kyonyuu Sukeban Marimo AFTER EPISODE~
(C48) [Studio Katsudon (Manabe Joji)] Kyouetsu Shigoku (Various)
Raven Flash
(C86) [Gekidoku Shoujo (ke-ta)] Underground Blossom (Touhou Project)
(C95) [Kuma-tan Flash! (Kumao Mofumofu)] BB Jealousy (Fate/Grand Order)
(C85) [Dakimakuma, Jingai Makyou Club (Wing Bird)] CHARA EMU W☆BR010 FLASHBACK 1983 P01 (Various)
Haha No Kawaki | 義母的性飢渴
(C87) [Yamaneko Jinja (John Inu)] Journey Into Underground (Touhou Project)
(Reitaisai 12) [Kuma-tan Flash! (Nishimura Nike)] Remilia to Fushigi no HiAce | A Simmer of Remilia With a Mysterious HiAce (Touhou Project) [English]
(C90) [Kuma-tan Flash! (Hanao.)] Love Trip (Kantai Collection -KanColle-) [English]
[Yameta Takashi] Ikenai Amane-san The Naughty Amane-san (COMIC Tenma 2013-06) [Chinese] [巨乳星人個人漢化]
(C88) [Kuma-tan Flash! (Hanao.)] Akatsuki datte Shireikan no Osewa kurai Dekirundakara!! (Kantai Collection -KanColle-)
(C83) [Tricot (Stella.Ing)] From The Underground (The Legend Of Zelda) [English] =SW=
Sonna ni Kirei Janakute Ii | 不用那么美丽也可以 Ch. 1
(C88) [Lithium (Uchiga)] Again #2 "Flashback Memories" (God Eater) [Chinese] [无毒汉化组]
(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]
From The Underground
[Kuma-tan Flash!] 2008-2009 Matome Hon 1
[Yanagi Masashi] Kawai onna to yobaretai
(C50) [MELT-DOWN (Various)] Berceur (Jigoku Sensei Nube, Dirty Pair Flash, Neon Genesis Evangelion)
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [Decensored]
(Reitaisai 9) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] KUMAlipse3 (Touhou Project)
(C88) [Jagabata (Oimo)] Miwaku no Red Flash | Fascinating Red Flash (PriPara) [English] {/u/ scanlations}
(C95) [Kuma-tan Flash! (Kumao Mofumofu)] Lost Desired (Goblin Slayer)
[Binbi] Kanojo to Himitsu no Lingerie (Otokonoko HEAVEN Vol. 29) [English] [mysterymeat3] [Digital]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 5 [Digital]
Underground Six
(C74) [Jingai Makyou Club (Wing Bird)] Charaemu W BR003 FLASH BACK1985 P03 (Various)
(Reitaisai10) [Kuma-tan Flash! (Hanao)] Muishiki no Kyuuai Koudou (Touhou Project)
[Sadistic Mary (Hattori Mitsuka)] Queen Bee Honey Flash (Bleach)
Shukushoubyou Kenshuu
[Kisaragi Gunma] Zoku Koukishin ga Tomaranai (COMIC HOTMiLK 2016-08) [Chinese] [Flash Back 90's個人漢化] [Digital]
Miwaku no Red Flash
[Undergroundou] Tonde Hi ni Iru Natsu no Fundoshi Shounen
(C74) [FLASH POINT (Aoi Takayuki)] 《0》
Enkou Mor-san
(COMIC1☆7) [Kuma-tan Flash! (Hanao.)] IDOLING (Danganronpa) [2nd Edition 2013-06-30] + Tokuten Shousasshi
(C77) [Flash Point (Aoi Takayuki)] Natsu Shounen - Summer Boy (Summer Wars)
Nagasare Sensei
(Reitaisai 12) [Kuma-tan Flash! (Yukataro)] Marisa-chan no EXtacy Stage Kouryaku! | Marisa-chan's EXtacy Level Guide! (Gensoukyou ni Tanetsuke Oji-san ga Yattekita YA-YA-YA) (Touhou Project) [English]
[Carn] Otome Netoria - Maiden NeTRia | 處女通姦紀實 [Chinese]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen [Digital]
Vtuber Sokuhame Kairaku Ochi Hon 2
[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=
Underground Hotel Vol. 2
(C73) [Kuma-tan Flash! (Hanao.)] KO ZI KA! (Kodomo no Jikan)
(C82) [Araki Yuu] The Stoplight is Flashing (Kuroko no Basket)
[Amanoja9] BEHAVIOUR+17 ~BUNNY FLASH!!~
(C87) [Kuma-tan Flash! (Hanao.)] Yuudachi/Shigure wa Maketakunai!! (Kantai Collection -KanColle-) [Chinese] [CE家族社]
The Former Monk's Carnal Desires Sermon
(CR20) [ALPS, Okachimentaiko Seisakushitsu (Various)] Okachimentaiko Ultra (Various)
[Fractal Underground Studio] Pantsu Kuronikuru
Otona o Karakau n ja nai!
Zecchou CONTRACT