[Bai Asuka] Boku no Kaa-san wa Yuujin no Mesuinu Ch. 1-3 [English] [biribiri]
[Shirogoma Rai] Mayonaka no Shainkyouiku
(C88) [Jagabata (Oimo)] Miwaku no Red Flash (PriPara)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [English] [8/u/ Scanlations] [Digital]
Orgy | 狂欢同学会
Flower Attack Moonlight
(C89) [Kuma-tan Flash! (Hanao.)] Yuuwaku no Harusame (Kantai Collection -KanColle-)
(C84) [Kuma-tan Flash! (Various)] Kanmusu Collection (Kantai Collection -KanColle-)
Menhera Usagi to Pet no Alpaca o Mofumofu Shichau Hon
(Osuket 2) [UNDERGROUND CAMPAIGN (Senga Migiri, jin)] Yasei
(C94) [Kuma-tan Flash! (Kumao Mofumofu)] Abigail to Himitsu no Kagiana (Fate/Grand Order)
Rinjin no bitchi hitodzuma o tsugō yoku bu~tsuokasu!
(C92) [Kuma-tan Flash! (Kumao Mofumofu)] Yamakaze no Koto, Suki? (Kantai Collection -KanColle-)
(C96) [Kuma-tan Flash!, Eclipse (Kumao Mofumofu, Rougetu)] OMAKE BOOK C96 (Various)
[Unknown] Chika Teien | Underground Garden [Chinese]
Suisei no Ko Perfect Edition | The Girl from Mercury: Perfect Edition
(C87) [Kuma-tan Flash! (Various)] Hamedori Collection (Kantai Collection -KanColle-)
Angelical Pendulum 12 - Angel of Flashing Hunt
[Kuma-tan Flash!] Shuukaku jai! (Touhou Project) [Digital]
Kenryokusha ni Sakaraezu 2-koma Ochisuru Hon
Shukushoubyou Kenshuu
i★dol Shouko FINAL FLASH 2ndSTAGE
(ONE→HUNDRED 2) [Bassroom (Naganolila)] Hakoiri Ninja Gaiden Emaki (One Punch Man)
[Zokubutsu.zip (Asuka)] Zokubutsu.zip (9) Chika | Underground [English] [Digital]
(Reitaisai 8) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] KUMAlipse (Touhou Project)
Konya Sabishii Hinageshi wa
[ONEONE1 (Ahemaru)] Roshutsu Kaijin Flasher Girl ~Kyonyuu Sukeban Marimo AFTER EPISODE~ [Digital]
(Reitaisai 8) [French letter (Fujisaki Hikari)] Pedolia! underground (Touhou Project) [English] [MrBubbles]
Nee-sama no Inai Chinjufu
Mitsugase Chika Idol | A TRIBUTE FOR THE UNDERGROUND IDOL
Buchou to Kachou | 部长与课长 1-3
(C73) [Kuma-tan Flash! (Hanao.)] KO ZI KA! (Kodomo no Jikan)
Dirty Light
(Kouroumu 5) [Kuma-tan Flash! (Hanao)] Kawazugari -Frog hunting service- (Touhou Project)
[Utoisa] MIX FIGHT Chika Kakutou ~Asakura Nagi Hen~ | MIX FIGHT Underground Fighting Episode of Nagi Asakura [English]
(Kouroumu 6) [Kuma-tan Flash!, Eclipse (Aya Shachou)] Akyuu-chan (Touhou LoliBitch Goudou) (Touhou Project) [English] [animefan71109]
(Shota Scratch 13) [Flash Point (Aoi Takayuki)] P-Boy
(C89) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] Se-no! (Kantai Collection -KanColle-) [Chinese] [洨五個人漢化]
LOVE FLASH FEVER
(C88) [Kuma-tan Flash! (Hanao.)] Akatsuki datte Shireikan no Osewa kurai Dekirundakara!! (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]
(C49) [H&K (Various)] Ero Manga Kenkyuujo FIRE (Various) [Incomplete]
(C88) [Lithium (Uchiga)] Again #2 "Flashback Memories" (God Eater) [English] [N04h]
[Fractal Underground Studio] Pantsu Kuronikuru
(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]
[Underground dou] Koushuu Benjo Shounen
[Carn] Otome Netoria - Maiden NeTRia | 處女通姦紀實 [Chinese]
[Senya Sabou (Alpha Alf Layla)] A Futanari Older Sister Turns An Underground Crossdresser Into A Perverted Masochist [English] [Mr_Person] [Digital]
[Wawomidasu (Kyawashuku)] Mob Zerox 3 Blue & Purple (Battle Spirits) [Digital]
(C95) [Ukatsu de wa Nai (noukatu, Minase Kuru)] Vtuber Sokuhame Kairaku Ochi Bon (Tsukino Mito, Deep Web Underground, Shizuka Rin)
KNight Mare Underground ~Shimai Kishi, Kanraku Dungeon~ ch. 2
(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]
Sabbath wa Houkago, Chikashitsu de | The Sabbath happens after school, in the underground room
(C75) [Eclipse, Kuma-tan Flash! (Rougetu, Hanao.)] Jarekko Doubutsu (Touhou Project)
Himitsu Yuugi | 비밀유희
Chika Tougijou Sen - Underground Colosseum Sen 1
(C75) [Eclipse, Kuma-tan Flash! (Rougetu, Hanao.)] Jarekko Doubutsu (Touhou Project) [English] [MegaFagget]
(C56) [AB Normal (NEW AB)] Aido 56789 Soushuuhen (Various)
[Ponsuke] Undou Ochi Akari-Chan | Unathletic Akari-chan (COMIC LO 2023-10) [English] [flash11] [Digital]
Chika Teien | Underground Garden
(C85) [Kuma-tan Flash! (Hanao.)] Okuu to Kare no Hyouryuu Nikki (Touhou Project) [English]
Shinso Makou Shoujo THE COMIC White Holy Sword Rizuve and Red Flash Raiza Episode 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=
[Yukimuramaru] Public property Sex Slave Girl - Ex - Collection in the Snow - [Digital] [Ongoing]
[Ponsuke] Mana-chan Misete! l Show Us, Mana-chan! (Oshama na Yousei) [English] [flash11] [Digital]
Suzuya IN UNDERGROUND
(C90) [Kuma-tan Flash! (Hanao.)] Love Trip (Kantai Collection -KanColle-) [Chinese] [洨五個人漢化]
Ashford Gakuen Underground
(Reitaisai10) [Kuma-tan Flash! (Hanao)] Muishiki no Kyuuai Koudou (Touhou Project)
[ IZUMIYA (Teshigotoya Yoshibee, Sen fuji kaiko) ] FLASH BACK 2 (Doraemon)
(C91) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] Se-no!! (Kantai Collection -KanColle-)
[Kuma-tan Flash! (Kumao Mofumofu)] Lost Desired (Goblin Slayer) [Digital]
Masaka Idol o Yogosu Tsumori Ja Nai Desu yo ne? Dame Producer
Hitsugi
[C's cheese] ANAN Gango no Miko (Tokyo Underground)
(CR15) [Kaishaku, Project Harakiri (Various)] Kaishaku No Daihyakka Satsujin Neko Daihyakka Gundam Juugo Shuunen Kinen! (Dirty Pair Flash)
Kono Watakushi ga Saimin ni Makeru Wake Arimasen wa!
Twilight Flasher ENG (incest)
Kioku Soushitsu
Theater Drama City
S to M to M to S
[Pull Top] Rakugaki 3
Natsu No Otou-san ~Zenpen
(C89) [Yamaneko Jinja (John Inu)] UNDERGROUND ASCENDANCY (Touhou Project)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [English] [8/u/ Scanlations] [Digital]
FLASH BACK
[Red Ribbon Revenger] Valhalla ~Joshou~ (Tokyo Underground & Spiral)
[OTN Kokoku (Kotaro OTN)] FWMC Icha Love SEX | Lovey Dovey Sex with FWMC [English] [flash11] [Digital]
Roshutsu Wakazuma Kikiippatsu! - Flashing wives!
(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]
[Nanase Makoto] Chika Ryuushutsu - Leaked to Underground
[Nawanoren (Gachoon)] NNDP 9 (Dirty Pair Flash) [2017-12-31]
[Gekka Kaguya] Shimai no Kankei | The Relationship of the Sisters-in-Law (Bengoshi -> Futanari -> Namahaishin) [English] [Komori Translations] [Digital]
i★dol Shouko FINAL FLASH
[Unknown] Chika Teien | Underground Garden [English]
Roshutsu Kaijin Flasher Girl ~Kyonyuu Sukeban Marimo AFTER EPISODE~
Underground Hotel Vol. 3
(Reitaisai 10) [Kuma-tan Flash! (Hanao.)] Muishiki no Kyuuai Koudou (Touhou Project)
[Rinsun] KNight Mare Underground ~Shimai Kishi, Kanraku Dungeon~ ch. 2
Underground Hotel
[Ameya Kirica] Chichi Pri! [Chinese]
(Reitaisai 7) [Kuma-tan Flash! (Hanao)] Mebius:loop+Omake (Touhou Project)
[ffkan]Underground Battle 5
NOV21
Supplement
(C90) [Kuma-tan Flash! (Hanao.)] Love Trip (Kantai Collection -KanColle-)