Theater Drama City
[Kuma-tan Flash!] Shuukaku jai! (Touhou Project) [Digital]
[Fractal Underground Studio] Pantsu Kuronikuru
(C89) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] Se-no! (Kantai Collection -KanColle-) [Chinese] [洨五個人漢化]
(C78) [bolze. (rit.)] The Sunshine Underground (Heart Catch Precure)
Triglav Underground Railway
Menhera Usagi to Pet no Alpaca o Mofumofu Shichau Hon
(C88) [Kuma-tan Flash! (Hanao.)] Akatsuki datte Shireikan no Osewa kurai Dekirundakara!! (Kantai Collection -KanColle-)
NOT JAP
(Hyattou Ryouran ~Kimi no Heart o Shirahadori~) [RED FLASH (Maccha)] Koinyoubou Somewake Tazuna (Touken Ranbu)
(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]
(C48) [Studio Katsudon (Manabe Joji)] Kyouetsu Shigoku (Various)
[AliceComplex (Naganohara Nis)] Alice in Underground
Again #2 "Flashback Memories"
SSSS.DYNAZENON GRIDMAN UNIVERSE CHARACTER CONCEPT DESIGN
(C49) [H&K (Various)] Ero Manga Kenkyuujo FIRE (Various)
[ IZUMIYA (Teshigotoya Yoshibee, Sen fuji kaiko) ] FLASH BACK 2 (Doraemon)
[Ribonatsu] G (Tokyo Underground)
[Fractal Underground Studio] Himitsu no Basho | Secret Place [English] [SaHa]
(C71) [ARESTICA, D.N.A.Lab. (Ariko Youichi, Miyasu Risa)] Velvet Underground (Sumomomo Momomo)
Muryoru Kangoku | The Swarm Approaches the Wicked Prison
(Puniket 20) [Chronolog, Shoujo Zukin (Sakurazawa Izumi, Hatomugi Munmun)] Alice in the underground (Soul Eater)
[Kisaragi Gunma] Zoku Koukishin ga Tomaranai (COMIC HOTMiLK 2016-08) [Chinese] [Flash Back 90's個人漢化] [Digital]
[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]
(Houraigekisen! Yo-i! 2Senme!) [Kuma-tan Flash! (Hanao,Marugoshi,Wakura)] Kanmusu Collection Kai (Kantai Collection -KanColle-)
FLASHBACK (Toriko)
Flash Noise
Shukushoubyou Kenshuu
(C75) [Eclipse, Kuma-tan Flash! (Rougetu, Hanao.)] Jarekko Doubutsu (Touhou Project) [Incomplete]
i★dol翔子~FINAL FLASH~
Flower Attack Moonlight
Underground Garden
(C83) [Kuma-tan Flash! (Hanao.)] Mebius:gate (Touhou Project)
(C75) [Dakimakuma, Jingai Makyou Club (WING☆BIRD)] CHARA EMU W☆BR005 FLASH BACK Uruwashi no Mama P01 (Various)
Slut Kitty
[Kuma-tan Flash! (Kumao Mofumofu)] Enkou Mor-san (Fate/Grand Order) [Digital]
(COMIC1☆10) [Kuma-tan Flash! (Hanao.)] Nee-sama no Inai Chinjufu (Kantai Collection -KanColle-)
[Urushihara Satoshi] Ai Mizuho | Love Mizuho (COMIC Tenma 2003-05) [English] [Tonigobe]
(C47) [Mengerekun, VETO (Captain Kiesel, ZOL)] Flash Back (Dirty Pair Flash)
KUMAlipse3
[Nanase Makoto] Chika Ryuushutsu - Leaked to Underground
Zecchou CONTRACT
(C89) [CREAYUS (Rangetsu)] FLASH NOISE (CODE GEASS: Lelouch of the Rebellion)
(C89) [CREAYUS (Rangetsu)] FLASH NOISE (CODE GEASS: Lelouch of the Rebellion) [Chinese] [UAl汉化组]
(C84) [Kuma-tan Flash! (Various)] Kanmusu Collection (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]
(C69) [Okinawa Taieki Gunjinkai] Rynax_Underground (Kurau : Phantom Memory)
Watashi ga Maketara Nandemo Iu Koto Kiite Ageru
Twilight Flasher ENG (incest)
NTR Flash Back
(Kemoket 4) [Flash Point (Various)] PONY Love (My Little Pony Friendship is Magic) [Chinese] [星翼汉化组]
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [Chinese] [萌舞の裏組漢化] [Decensored]
[UNDERGROUND CAMPAIGN (Senga Migiri, Toriki Kuuya)] Ryuuseigou ni Notte Alternative 2
Chika 30m no Mitsugetsu o... | Honeymoon at 30 meters underground
(C93) [ARCHANGEL (Ayanokouji Haruka)] PRISMA FLASH (Fate/kaleid liner Prisma Illya)
Koinyoubou Somewake Tazuna
[Yuzunokiichi] Watashi ja Nai Watashi (COMIC Kairakuten 2018-08) [Chinese] [AL4个人汉化] [Digital]
Hitsugi
(C94) [Kuma-tan Flash! (Kumao Mofumofu)] Omake Book C94 (Fate/Grand Order)
[Undergroundou] Haru no Shura - Seifuku Shounen to Geshuku Daigakusei no Ikenai Kankei -
Lost Desired
(C88) [Kuma-tan Flash! (Hanao.)] Akatsuki datte Shireikan no Osewa kurai Dekirundakara!! (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]
DWU Sennou Ryoujoku
Underground Six
[Yameta Takashi] Ikenai Amane-san The Naughty Amane-san (COMIC Tenma 2013-06) [Chinese] [巨乳星人個人漢化]
[TRAP (Urano Mami)] Honey Flash Seven (Cutey Honey)
[Carn] Otome Netoria - Maiden NeTRia | 處女通姦紀實 [Chinese]
Straylight Porno + OMAKE BOOK C96
NAJICA FLASH
(C86) [HMA, KumatanFlash! (Hiyoshi Hana, Hanao.)] immoral (Kantai Collection -KanColle-)
Underground Hotel ~Cross Over~
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass)
[Underground dou] Koushuu Benjo Shounen
Chika Seikou Tougi Club | Underground Sex Fight Club
Chika Tougijou Sen - Underground Colosseum Sen 3
罪世 - 第1章 | Tsumi Yo - Chapter 01 ReUpload
Chika Teien | Underground Garden