(C61) [JUMBOMAX (Ishihara Souka)] NAJICA FLASH (Najica Blitz Tactics)
(CR15) [Kaishaku, Project Harakiri (Various)] Kaishaku No Daihyakka Satsujin Neko Daihyakka Gundam Juugo Shuunen Kinen! (Dirty Pair Flash)
(C79) [Kuma-tan Flash! (Hanao)] Kuugeki no Sacrifice (Touhou Project)
(COMIC1☆5) [Kumatan Flash!] Tanoshii Miruho de Popopo~n! (Tantei Opera Milky Holmes)
[Flash Point (Aoi Takayuki)] Oku-sama wa Mara Tsukai [Sample]
Chika Tougijou Sen - Underground Colosseum Sen 1
(C45) [Monkey Reppuutai (Various)] Dengeki Monkey Reppuutai V (Various)
(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]
(C75) [FLASH POINT (Aoi Takayuki)] 《0》 2
Vtuber Sokuhame Kairaku Ochi Hon 2
(C74) [Dakimakuma, Jingai Makyou Club (WING☆BIRD)] CHARA EMU W☆BR004 FLASH BACK1984 P01 (Various)
Flower Attack Moonlight
(C87) [Yamaneko Jinja (John Inu)] Journey Into Underground (Touhou Project)
[Saiyazumi] Oneshota Champloo (Shukujo wa Ochinchin Busoku) [English] [flash11]
(C61) [Matsuge Club (Getsuma)] White Flash (Virtual On)
(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!)
[Undergroundou] Buta Moyashi
Underground Six
[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)[Chinese] [沒有漢化]
Chika Tougijou Sen - Underground Colosseum Sen 2
Friends Gyaku Rape Goudoushi 2
(C68) [Sadistic Mary (Hattori Mitsuka)] FLASH BACK 20050813 (Bleach)
(C86) [Kuma-tan Flash! (Hanao.)] 2008-2011 Matomebon 3 (Touhou Project) [Incomplete]
(CR30) [SOFTCHARM (SOFTCHARM)] FULL-SWEEP EARLY UNDERGROUND (Various)
【隼素良】欠損玩具の行く末 (Yu-Gi-Oh! Arc-V) (chinese)
Haha No Kawaki | 義母的性飢渴
Honey Flash Seven
[Anthology] Bishoujo Shoukougun 2000 Manga-Anime Hen 2 (Various)
The Former Monk's Carnal Desires Sermon
(C81) [Kuma-tan Flash!] Scapegoat Act:2 (Touhou Project)
(Reitaisai 9) [Kuma-tan Flash! (Hanao)] Shoujo Yamai (Touhou Project)
[UNDERGROUND CAMPAIGN (Senga Migiri, Toriki Kuuya)] Ryuuseigou ni Notte Alternative 2
(C75) [Sadistic Mary (Hattori Mitsuka)] FLASH BACK 20081230 (Bleach)
(C78) [bolze. (rit.)] The Sunshine Underground (Heart Catch Precure)
[AliceComplex (Naganohara Nis)] Alice in Underground
SSSS.DYNAZENON GRIDMAN UNIVERSE CHARACTER CONCEPT DESIGN
Underground Garden
(C90) [Kuma-tan Flash! (Hanao.)] Love Trip (Kantai Collection -KanColle-) [Chinese] [洨五個人漢化]
[Nanase Makoto] Chika Ryuushutsu - Leaked to Underground
(C69) [Okinawa Taieki Gunjinkai] Rynax_Underground (Kurau : Phantom Memory)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 5 [Digital]
Momiji Hunter | Охотник на Момидзи
《0》 2
(SC21) [Flash Point (Kawai Takahiro)] dancing DOLL
(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]
[Unknown] Chika Teien | Underground Garden [Chinese]
Supplement
FLASH BACK
(C92) [Kuma-tan Flash!, Eclipse (Kumao Mofumofu, Rougetu)] Cupla (Kantai Collection -KanColle-) [Chinese] [朔夜汉化]
Minami Underground | 미나미 언더그라운드
(C78) [Crazy9 (Ichitaka)] Alice in Underground (Ookami-san to Shichinin no Nakama-tachi) [English] {doujin-moe.us}
(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]
[A-mania9's (Amanoja9)] BEHAVIOUR+17 ~BUNNY FLASH!!~ [Chinese] [Digital]
Theater Drama City
(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]
[FLASH POINT] コピー本
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [English] [0405]
Angelical Pendulum 12 - Angel of Flashing Hunt
Empty Theory 8 - Apparent Flash
(C75) [Eclipse, Kuma-tan Flash! (Rougetu, Hanao.)] Jarekko Doubutsu (Touhou Project)
Underground Hotel Vol. 1
Midnight / Flashlight
(C77) [Flash Point (Aoi Takayuki)] Natsu Shounen - Summer Boy (Summer Wars)
(C76) [Kazemichiya (Mamo Williams)] Flash Back (Touhou Project) [English]
Underground arena no sen
i★dol翔子~FINAL FLASH~
[Harazaki Takuma] SEARCH
Straylight Porno + OMAKE BOOK C96
Triglav Underground Railway
(C88) [Lithium (Uchiga)] Again #2 "Flashback Memories" (God Eater)
[Stranger_Underground Dou] Jigoku Ezu no Yoru
(C89) [Kuma-tan Flash! (Hanao.)] Se-no! (Kantai Collection -KanColle-) [Chinese] [洨五個人漢化]
Kioku Soushitsu
Chika Teien | Underground Garden
(C88) [Jagabata (Oimo)] Miwaku no Red Flash | Fascinating Red Flash (PriPara) [English] {/u/ scanlations}
PRISMA FLASH
(C92) [Kuma-tan Flash! (Kumao Mofumofu)] Yamakaze no Koto, Suki? (Kantai Collection -KanColle-)
FABRICATION FLAVOR
(CR35) [Nawanoren (Gachoon)] NNDP Plus (Dirty Pair)
Muryoru Kangoku | The Swarm Approaches the Wicked Prison
BEHAVIOUR+17 ~BUNNY FLASH!!~
(COMIC1☆9) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] HELLO (Kantai Collection -KanColle-) [Chinese] [CE家族社]
(C74) [Jingai Makyou Club (Wing Bird)] Charaemu W BR003 FLASH BACK1985 P03 (Various)
[Yoshitatsu Kiichigono] Flashbang! [ENG] Hi-res
(Reitaisai 12) [Kuma-tan Flash! (Nishimura Nike)] Remilia to Fushigi no HiAce | A Simmer of Remilia With a Mysterious HiAce (Touhou Project) [English]
[ONEONE1 (Ahemaru)] Roshutsu Kaijin Flasher Girl ~Kyonyuu Sukeban Marimo AFTER EPISODE~ [English] [SMDC]
(Reitaisai 8) [French letter (Fujisaki Hikari)] Pedolia! underground (Touhou Project)
(C84) [Kuma-tan Flash! (Hanao.)] Mebius:last (Touhou Project)
(C81) [Dakimakuma, Jingai Makyou Club (WING☆BIRD)] CHARA EMU FLASH BACK Uruwashi no Mama P 02 W☆BR009 (Various)
(C89) [Kuma-tan Flash! (Hanao.)] Se-no! (Kantai Collection -KanColle-) [Chinese] [CE家族社]
[Underground Dou] NOPOR
[Wawomidasu (Kyawashuku)] Mob Zerox 3 Blue & Purple (Battle Spirits) [Digital]
[Ranchiki (dotsuco)] Mesuochi Idol-kun | Feminizing Degeneration Idol-kun [English] [Nisor] [Digital]
Albino Sakura-chan to Ama Ecchi
(Mori no Kiseki 13) [Kuma-tan Flash! (Hanao.)] Pink Telepathy (Touhou Project)
(C84) [Kuma-tan Flash! (Various)] Kanmusu Collection (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]
Konya wa Girl's Bar Heiten Shimasu.
(Suukeisai 1) [Kuma-tan Flash!, Z to A (Hanao., Soreko)] Koiji Romanesque (Touhou Project)
Honey 7 Flash!
(C75) [Dakimakuma, Jingai Makyou Club (WING☆BIRD)] CHARA EMU W☆BR005 FLASH BACK Uruwashi no Mama P01 (Various)
(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]
Agata - COMIC Shingeki 2014-12 [Textless]
[ALPS] Okachimentaiko Ultra (Escaflowne, Mobile Suit Gundam, Cutey Honey, Dirty Pair Flash, Tokimeki Memorial, Street Figher Zero, Cyber Formula)
ジュンさん本
From The Underground
[U.M.E.Project (ukyo_rst)] ELF SLAVE CATALOG UNDERGROUND Vol.02 [Digital]
[SaHa] Fractal Underground - Warm Kotatsu (English)
[Cyclone (Izumi Kazuya, Reizei)] Kagami ni Mukau Shoujo (Various) [Digital]
Inousha Shoujo Spin-off Yulia Hen | 異能者少女spinoff・尤利娅編
Zecchou CONTRACT
(C91) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] Se-no!! (Kantai Collection -KanColle-)
(C52) [Nawanoren (Shimizu Kiyoshi)] NN GACHOON (Various)
Underground wrestling
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 5 [Chinese] [沒有漢化] [Digital]
Shinso Makou Shoujo THE COMIC White Holy Sword Rizuve and Red Flash Raiza Episode 1
[TRAP (Urano Mami)] Honey Flash Seven (Cutey Honey F)
(Reitaisai 7) [Frac (Mitsuki)] Midnight / Flashlight (Touhou Project) [English]
Okuu to Kare no Hyouryuu Nikki