S to M to M to S
(Reitaisai 8EX) [Kuma-tan Flash!, HMA (Hanao., Hiyoshi Hana)] Fundoshi Nyoumu - Youmu * Ji Ki Fukkatsu Omedetou Hon - | Fundoshi Nyoumu - A Book Celebrating Youmu's Return as a Playable Character [English] [desudesu]
Chika Tougijou Sen - Underground Colosseum Sen 2
[Kumatan Flash!] Tanoshii Miruho de Popopopo~n! (Tantei Opera Milky Holmes) [English][TLRF+LWB]
[Maakou] FLASH BACK
(Reitaisai10) [Kuma-tan Flash! (Hanao)] Muishiki no Kyuuai Koudou (Touhou Project)
(C69) [RED RIBBON REVENGER (Makoushi)] Valhalla ~ Dainishou~ Fuyu no Arashi (Spiral) [Digital]
Kondo mo, Mata FGO Chara no Cosplay Saremashita
(Underground Carnival) [Kougeki (Ootsuki Wataru)] Speechless (Touhou Project)
NTR Flash Back
(C87) [Yamaneko Jinja (John Inu)] Journey Into Underground (Touhou Project)
Enkou Mor-san
Chika Tougijou Sen - Underground Colosseum Sen 1
[GENOCIDE (Hattori Gorou)] S4U spats forever The UNDERGROUND insert SATONAKA CHIE (PERSONA 4) [Digital]
(C77) [Kuma-tan Flash! (Hanao)] Fairy Tale ~ Kawaii Koinu no Sodatekata ~ (Touhou Project)
(Reitaisai 12) [Kuma-tan Flash! (Yamu)] Tanetsuke Oji-san Hazard | Jizz Geezer Hazard (Touhou Project) [English]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [Digital]
(C49) [H&K (Various)] Ero Manga Kenkyuujo FIRE (Various) [Incomplete]
V Tsumamigui
(C87) [Kuma-tan Flash! (Hanao.)] Yuudachi/Shigure wa Maketakunai!! (Kantai Collection -KanColle-) [Chinese] [CE家族社]
Futari no Nichiyoubi
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [Decensored]
(C92) [Kuma-tan Flash! (Kumao Mofumofu)] Yamakaze no Koto, Suki? (Kantai Collection -KanColle-)
(C83) [Tricot (Stella.Ing)] From the Underground (The Legend Of Zelda)
Sabbath wa Houkago, Chikashitsu de | The Sabbath happens after school, in the underground room
Flower Attack Moonlight
(C68) [Sadistic Mary (Hattori Mitsuka)] FLASH BACK 20050813 (Bleach)
(C78) [Crazy9 (Ichitaka)] Alice in Underground (Ookami-san to Shichinin no Nakama-tachi) [English] {doujin-moe.us}
(C81) [Kuma-tan Flash!] Scapegoat Act:2 (Touhou Project)
(C87) [Kuma-tan Flash! (Various)] Hamedori Collection (Kantai Collection -KanColle-)
[Red Ribbon Revenger (Makoushi)] Shiro (Star Ocean: Till the End of Time)
Underground Garden
[Flash Point (Aoi Takayuki)] Oku-sama wa Mara Tsukai [Sample]
(Reitaisai 7) [Frac (Mitsuki)] Midnight / Flashlight (Touhou Project)
(C85) [Kuma-tan Flash! (Hanao.)] Okuu to Kare no Hyouryuu Nikki (Touhou Project)
[Cyclone (Izumi Kazuya, Reizei)] Kagami ni Mukau Shoujo (Various) [Digital]
(C90) [Kuma-tan Flash! (Hanao.)] Love Trip (Kantai Collection -KanColle-)
(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]
Empty Theory 8 - Apparent Flash
Onnanoko ni Yaritai Houdai
Can't go back!
(C78) [bolze. (rit.)] The Sunshine Underground (Heart Catch Precure)
Minami Underground
[Urushihara Satoshi] Ai Mizuho | Love Mizuho (COMIC Tenma 2003-05) [English] [Tonigobe]
[Cyclone] Kagami ni Mukau Shoujo (Magic Knights Rayearth)
(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]
(C76) [Kuma-tan Flash! (Hanao)] Tube Rose (Touhou Project)
(CR20) [Mengerekun (Captain Kiesel)] Daikirin (Various)
[Sajipen] Midara ni Ochite (COMIC Shitsurakuten 2015-01) [Chinese] [無邪気漢化組]
[Stranger_Underground Dou] Jigoku Ezu no Yoru
(C88) [Lithium (Uchiga)] Again #2 "Flashback Memories" (God Eater) [Chinese] [无毒汉化组]
(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]
[TRAP (Urano Mami)] Honey Flash Seven (Cutey Honey F)
[A-mania9's] BEHAVIOUR+17 ~BUNNY FLASH!!~[English][lodhel] (part 1)
Underground Hotel Vol. 2
[SaHa] Fractal Underground - Warm Kotatsu (English)
[UNDERGROUND CAMPAIGN (Senga Migiri)] USHI to KOBUSHI [Chinese] [同文城] [Digital]
[Sadistic Mary (Hattori Mitsuka)] Queen Bee Honey Flash (Bleach)
(C56) [AB Normal (NEW AB)] Aido 56789 Soushuuhen (Various)
Underground wrestling
(C90) [Kuma-tan Flash! (Hanao.)] Love Trip (Kantai Collection -KanColle-) [Chinese] [洨五個人漢化]
Koinyoubou Somewake Tazuna
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 5 [Digital]
Sorcerer Rubedo-kun
Rinjin no bitchi hitodzuma o tsugō yoku bu~tsuokasu!
(Reitaisai 12) [Kuma-tan Flash! (Habara Meguru)] Momiji Hunter (Gensoukyou ni Tanetsuke Oji-san ga Yattekita YA-YA-YA) (Touhou Project) [English]
[Undergroundou] Haru no Shura - Seifuku Shounen to Geshuku Daigakusei no Ikenai Kankei -
[Unknown] Chika Teien | Underground Garden [English]
[Shunran (Yuuki Alice, Kudara Naizou, Nakajima Akira)] honey FLASH (Cutey Honey F)
Konya wa Girl's Bar Heiten Shimasu.
(CR21) [Rocket Kyoudai (Various)] Honey Flash (Cutey Honey F)
(C75) [Dakimakuma, Jingai Makyou Club (WING☆BIRD)] CHARA EMU W☆BR005 FLASH BACK Uruwashi no Mama P01 (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) [English] [Digital]
[A-mania9's (Amanoja9)] BEHAVIOUR+17 ~BUNNY FLASH!!~ [Chinese] [Digital]
Uramono Zasshi No Fan Wa Yahari Orokamono De Aru | Fans of Underground Magazines are Truly Fools
Uchi no Kawaii Doukyonin-san Sono Go | My Cute Roommate Epilogue
[HG Chagawa] Chika Dorei No. 6 - Underground Slave No. 6 (ANGEL Club 2015-01) [English] [desudesu]
[Taniguchi-san] -Tamashii-INSERT LEVEL 2 Shojo Dorobou (COMIC Unreal 2015-06 Vol. 55) [Chinese] [無邪気漢化組]
Muryoru Kangoku | The Swarm Approaches the Wicked Prison
Friends Gyaku Rape Goudoushi 2
[RED RIBBON REVENGER] kuro
Underground Hotel Vol. 1
[Ameya Kirica] Chichi Pri! [Chinese]
Mazu no Hoshikuzu | 魔都的星尘 act.1-2
From The Underground
(C91) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] Supplement (Kantai Collection -KanColle-)
[ffkan]Underground Battle 5
(Kouroumu 6) [Kuma-tan Flash!, Eclipse (Various)] Touhou LoliBitch Goudou (Touhou Project)
[Hazuki Kaoru] Shuuchi no Yakata
Agata - COMIC Shingeki 2014-12 [Textless]
(C93) [ARCHANGEL (Ayanokouji Haruka)] PRISMA FLASH (Fate/kaleid liner Prisma Illya)
Shinso Makou Shoujo THE COMIC White Holy Sword Rizuve and Red Flash Raiza Episode 3
(Kouroumu 6) [Kuma-tan Flash!, Eclipse (Aya Shachou)] Akyuu-chan (Touhou LoliBitch Goudou) (Touhou Project) [English] [animefan71109]
(C82) [Araki Yuu] The Stoplight is Flashing (Kuroko no Basket)
(C48) [Studio Katsudon (Manabe Joji)] Kyouetsu Shigoku (Various)
(C95) [Kuma-tan Flash! (Kumao Mofumofu)] BB Jealousy (Fate/Grand Order)
[Shirogoma Rai] Mayonaka no Shainkyouiku
(Reitaisai 6) [Kuma-tan Flash! (Hanao)] Scarlet (Touhou Project)
(Reitaisai 9) [Kuma-tan Flash! (Hanao)] Shoujo Yamai (Touhou Project)
Omakebon 9
Chika Tougijou Sen - Underground Colosseum Sen 4
[Cha Cha Cha Brothers (Yokoyama Chicha)] Harenchi (Various)
(C88) [Jagabata (Oimo)] Miwaku no Red Flash | Fascinating Red Flash (PriPara) [English] {/u/ scanlations}
[Tsurikichi-Doumei (Various)] Oooka Nan DemoーR (Various)
SSSS.DYNAZENON GRIDMAN UNIVERSE CHARACTER CONCEPT DESIGN
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 4 [Digital]
(C90) [Kuma-tan Flash! (Hanao.)] Love Trip (Kantai Collection -KanColle-) [English]
Sonna ni Kirei Janakute Ii | 不用那么美丽也可以 Ch. 1
罪世 - 第1章 | Tsumi Yo - Chapter 01 ReUpload
[Yanagi Masashi] Kawai onna to yobaretai
[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]
(C88) [Lithium (Uchiga)] Again #2 "Flashback Memories" (God Eater) [English] [N04h]
[Studio Z-Agnam (Azuma Kyouto)] HONEY FLASH! 1 (Cutey Honey)
[Stapspats (Hisui)] Shinso Makou Shoujo THE COMIC White Holy Sword Rizuve and Red Flash Raiza Episode 3
Ashford Academy Underground
[LFM (Usagi)] Flashing Pink (Sakura Taisen)
(C76) [Kazemichiya (Mamo Williams)] Flash Back (Touhou Project)
[ONEONE1 (Ahemaru)] Roshutsu Kaijin Flasher Girl ~Kyonyuu Sukeban Marimo AFTER EPISODE~ [Digital]
(C76) [Dakimakuma, Jingai Makyou Club (WING☆BIRD)] CHARA EMU W☆BR006 FLASH BACK1984 P02 (Various)
Chuppon Onna no Vacuum Fella | 吸精淫亂女的吸引奉仕
i★dol翔子~FINAL FLASH~
Nee-sama no Inai Chinjufu
(C91) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] Se-no!! (Kantai Collection -KanColle-)
Roshutsu Wakazuma Kikiippatsu! - Flashing wives!
Underground Hotel
(Underground Carnival) [Inyu-goya (Inyucchi)] Chitei no Yakata no Aigan Shoujo (Touhou Project)
[Fractal Underground Studio] Kodomo Rakuen Ransel Shoujo Hen
(Kouroumu 5) [Kuma-tan Flash! (Hanao)] Kawazugari -Frog hunting service- (Touhou Project)
(C90) [ONEONE1 (Kakinomoto Utamaro)] i★dol Shouko FINAL FLASH 2ndSTAGE
(C46) [Youmu Shippitsusha Tou (Ohsima Kouichi, Akusyu 0.5 Second, Marun Berei)] Gelbe Sónne 8 (よろず)
[Harazaki Takuma] SEARCH
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [Chinese] [沒有漢化] [Digital]
[Underground Dou (Stranger)] Jigoku Ezu no Yoru 2
HUG and KISS
Ashford Gakuen Underground
[Pull Top] Rakugaki 3
Slut Kitty