Sawari Tsukuse Manin Densha!
(C75) [Eclipse, Kuma-tan Flash! (Rougetu, Hanao.)] Jarekko Doubutsu (Touhou Project) [English] [MegaFagget]
Mazu no Hoshikuzu | 魔都的星尘 act.1-2
(C93) [ARCHANGEL (Ayanokouji Haruka)] PRISMA FLASH (Fate/kaleid liner Prisma Illya)
(C78) [Kuma-tan Flash! (Hanao)] Scapegoat Act: 1 (Touhou Project)
Vtuber Sokuhame Kairaku Ochi Hon 2
(C76) [Kazemichiya (Mamo Williams)] Flash Back (Touhou Project) [English]
(Kouroumu 6) [Kuma-tan Flash!, Eclipse (Various)] Touhou LoliBitch Goudou (Touhou Project)
Okuu to Kare no Hyouryuu Nikki
(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]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [Digital]
[Makita Yoshiharu] Suteki na Kyuujitsu Shinkon (Miman) Hen | A Wonderful Holiday For Newlyweds (Trouble Scramble!) [English] [Kyuukei]
[Crimson (Carmine)] Yoru no Senritsu (Tokyo Underground)
(Reitaisai 12) [Kuma-tan Flash! (HAN)] Seija to Hierarchy Saiteihen Oji-san | Seija and the Hierarchical Bottom-feeder Uncle (Gensoukyou ni Tanetsuke Oji-san ga Yattekita YA-YA-YA) (Touhou Project) [English]
(C95) [Kuma-tan Flash! (Kumao Mofumofu)] BB Jealousy (Fate/Grand Order)
Chika Tougijou Sen - Underground Colosseum Sen 4
(Reitaisai 9) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] KUMAlipse3 (Touhou Project) [English] [q91]
[A-mania9's (Amanoja9)] BEHAVIOUR+17 ~BUNNY FLASH!!~ [Chinese] [Digital]
[Zokubutsu.zip (Asuka)] Zokubutsu.zip (9) Chika | Underground [English] [Digital]
Buchou to Kachou | 部长与课长 1-3
Futari no Nichiyoubi
タイムマシンにおねがい
Roshutsu Kaijin Flasher Girl ~Kyonyuu Sukeban Marimo AFTER EPISODE~
(C81) [Dakimakuma, Jingai Makyou Club (WING☆BIRD)] CHARA EMU FLASH BACK Uruwashi no Mama P 02 W☆BR009 (Various)
[AKABEi SOFT (ALPHa)] FLASH BACK (Tales of Destiny 2)
Again #2 "Flashback Memories"
(C95) [Ukatsu de wa Nai (noukatu, Minase Kuru)] Vtuber Sokuhame Kairaku Ochi Bon (Tsukino Mito, Deep Web Underground, Shizuka Rin)
[Flash Point (Aoi Takayuki)] Oku-sama wa Mara Tsukai [Sample]
(C76) [Kazemichiya (Mamo Williams)] Flash Back (Touhou Project)
(C79) [Kuma-tan Flash! (Hanao)] Kuugeki no Sacrifice (Touhou Project)
Chika Tougijou Sen - Underground Colosseum Sen 2
Otona o Karakau n ja nai!
(C90) [Kuma-tan Flash! (Hanao.)] Love Trip (Kantai Collection -KanColle-) [English]
(C91) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] Supplement (Kantai Collection -KanColle-)
[Undergroundou] Haru no Shura - Seifuku Shounen to Geshuku Daigakusei no Ikenai Kankei -
[Kuma-tan Flash! (Kumao Mofumofu)] Enkou Mor-san (Fate/Grand Order) [Digital]
S to M to M to S
[Nanase Makoto] Chika Ryuushutsu - Leaked to Underground
Kondo mo, Mata FGO Chara no Cosplay Saremashita
Agata - COMIC Shingeki 2014-12 [Textless]
Konya wa Girl's Bar Heiten Shimasu.
(C87) [Kuma-tan Flash! (Various)] Hamedori Collection (Kantai Collection -KanColle-)
(Reitaisai 7) [Kuma-tan Flash! (Hanao)] Mebius:loop+Omake (Touhou Project)
Chika Tougijou Sen - Underground Colosseum Sen 3
[Urushihara Satoshi] Ai Mizuho | Love Mizuho (COMIC Tenma 2003-05) [English] [Tonigobe]
The Former Monk's Carnal Desires Sermon
[Sadistic Mary (Hattori Mitsuka)] Queen Bee Honey Flash (Bleach)
[UNDERGROUND CAMPAIGN (Senga Migiri)] USHI to KOBUSHI [Chinese] [同文城] [Digital]
[Saiyazumi] Oneshota Champloo (Shukujo wa Ochinchin Busoku) [English] [flash11]
(Reitaisai 7) [Frac (Mitsuki)] Midnight / Flashlight (Touhou Project) [English]
[Sajipen] Midara ni Ochite (COMIC Shitsurakuten 2015-01) [Chinese] [無邪気漢化組]
[Fractal Underground Studio] Kodomo Rakuen Ransel Shoujo Hen
(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]
Maso no Keifu
(C85) [Dakimakuma, Jingai Makyou Club (Wing Bird)] CHARA EMU W☆BR010 FLASHBACK 1983 P01 (Various)
[Hotate-chan] Roshutsukyou-chan | Flasher-chan [English] [SaLamiLid]
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass)
Sabbath wa Houkago, Chikashitsu de | The Sabbath happens after school, in the underground room
Honey Flash Seven
The Impulsive Inseminator Uncle Lost in Old Hell (Touhou Project) [English]
Chika Tougijou Sen - Underground Colosseum Sen 1
(Reitaisai 10) [Kuma-tan Flash! (Hanao.)] Rei 10 OMAKE Hon (Touhou Project)
(COMIC1☆9) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] HELLO (Kantai Collection -KanColle-) [Chinese] [CE家族社]
ELF SLAVE CATALOG UNDERGROUND Vol.02
Masaka Idol o Yogosu Tsumori Ja Nai Desu yo ne? Dame Producer
(C46) [Youmu Shippitsusha Tou (Ohsima Kouichi, Akusyu 0.5 Second, Marun Berei)] Gelbe Sónne 8 (よろず)
[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]
(Kouroumu 6) [Kuma-tan Flash! (Hanao)] Hanao no Mozomozo Rakugaki Chou Vol.1 (Touhou Project)
[Undergroundou] Himitsu no Mori e Youkoso - Welcome To The Secret Forest
Hitsugi
Nagasare Sensei
[Underground Dou (Stranger)] Jigoku Ezu no Yoru 2
(C88) [Lithium (Uchiga)] Again #2 "Flashback Memories" (God Eater)
(C94) [Kuma-tan Flash! (Kumao Mofumofu)] Abigail to Himitsu no Kagiana (Fate/Grand Order)
[Bai Asuka] Boku no Kaa-san wa Yuujin no Mesuinu Ch. 1-3 [English] [biribiri]
(Kemoket 4) [Flash Point (Various)] PONY Love (My Little Pony Friendship is Magic) [Chinese]
(COMIC1☆4) [Kuma-tan Flash! (Hanao)] Mokotan to Fushigina Heya (Touhou Project)
[Undergroundou] Underground Natural Klutz Orgasm VI
(Osuket 2) [UNDERGROUND CAMPAIGN (Senga Migiri, jin)] Yasei
Minami Underground | 미나미 언더그라운드
FLASH BACK 20081230
(C76) [Kuma-tan Flash! (Hanao)] Tube Rose (Touhou Project)
[Yameta Takashi] Ikenai Amane-san The Naughty Amane-san (COMIC Tenma 2013-06) [Chinese] [巨乳星人個人漢化]
(C88) [Lithium (Uchiga)] Again #2 "Flashback Memories" (God Eater) [Chinese] [无毒汉化组]
(C83) [Tricot (Stella.Ing)] From the Underground (The Legend Of Zelda)
(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]
[Anthology] Bishoujo Shoukougun 2000 Manga-Anime Hen 2 (Various)
Miwaku no Red Flash | Fascinating Red Flash {/u/ scanlations}
[ONEONE1 (Ahemaru)] Roshutsu Kaijin Flasher Girl ~Kyonyuu Sukeban Marimo AFTER EPISODE~ [Digital]
(Reitaisai 12) [Kuma-tan Flash! (Johnny)] Love & Peace o Senkyou suru Kokujin Checkera Tanetsuke Oji-san | Love & Peace Practitioner "Check It Out" Impregnator Black Man (Gensoukyou ni Tanetsuke Oji-san ga Yattekita YA-YA-YA) (Touhou Project) [English]
[TRAP (Urano Mami)] Honey Flash Seven (Cutey Honey)
(C81) [Kumatan Flash!] Futo-chan Ijimetai (Touhou Project)
(Underground Carnival) [Inyu-goya (Inyucchi)] Chitei no Yakata no Aigan Shoujo (Touhou Project)
Menhera Usagi to Pet no Alpaca o Mofumofu Shichau Hon
KUMAlipse3
[ IZUMIYA (Teshigotoya Yoshibee, Sen fuji kaiko) ] FLASH BACK 2 (Doraemon)
Albino Sakura-chan to Ama Ecchi
Dirty Light
Pedolia! underground
(C78) [Kuma-tan Flash! (Hanao.)] Moto Souryo no Nikuyoku Seppou - C78 Omake Bon (Touhou Project)
(C50) [MELT-DOWN (Various)] Berceur (Jigoku Sensei Nube, Dirty Pair Flash, Neon Genesis Evangelion)
Supplement
(CR35) [Nawanoren (Gachoon)] NNDP Plus (Dirty Pair)
Underground Hotel
[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]
[Taniguchi-san] -Tamashii-INSERT LEVEL 2 Shojo Dorobou (COMIC Unreal 2015-06 Vol. 55) [Chinese] [無邪気漢化組]
Empty Theory 8 - Apparent Flash
[FLASH POINT] コピー本
Sofia-san wa Kashikoi ♥
(C97) [Shimofutaketa Zorome (Ahou Miya)] Theater Drama City (Deep Web Underground) [English] {Hennojin}
Shinso Makou Shoujo THE COMIC White Holy Sword Rizuve and Red Flash Raiza Episode 1
[Rinsun] KNight Mare Underground ~Shimai Kishi, Kanraku Dungeon~ ch. 2
(C83) [Kuma-tan Flash! (Hanao.)] Mebius:gate (Touhou Project)
[Unknown] Chika Teien | Underground Garden [English]
[Charie] Child Resolution (Iromeki Girls) [English] [Yuri-ism]
[sky & si-o] 罪世 - 第1章 | Tsumi Yo - Chapter 02 [EN]
Miwaku no Red Flash
]NUDEGIRL | 超裸女
Kenryokusha ni Sakaraezu 2-koma Ochisuru Hon
(C74) [Kumatan Flash! (Hanao)] Tabasa Channel (Zero no Tsukaima)
(CR30) [SOFTCHARM (SOFTCHARM)] FULL-SWEEP EARLY UNDERGROUND (Various)
FLASHBACK (Toriko)
USHI to KOBUSHI | 소와 주먹
(C90) [Kuma-tan Flash! (Hanao.)] Love Trip (Kantai Collection -KanColle-) [Chinese] [洨五個人漢化]
Underground
土方口マンホール 鳶編
[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=
Enkou Mor-san
BEHAVIOUR+17 ~BUNNY FLASH!!~
Omake Book c94
[Fractal Underground Studio] Pantsu Kuronikuru