(C74) [FLASH POINT (Aoi Takayuki)] 《0》
[Undergroundou] Haru no Shura - Seifuku Shounen to Geshuku Daigakusei no Ikenai Kankei -
[TRAP (Urano Mami)] Honey Flash Seven (Cutey Honey F)
[Fractal Underground Studio] Himitsu no Basho | Secret Place [English] [SaHa]
Sorcerer Rubedo-kun
[Anthology] Bishoujo Shoukougun 2000 Manga-Anime Hen 2 (Various)
Chika 30m no Mitsugetsu o... | Honeymoon at 30 meters underground
(C49) [H&K (Various)] Ero Manga Kenkyuujo FIRE (Various) [Incomplete]
Kioku Soushitsu
(C97) [Shimofutaketa Zorome (Ahou Miya)] Theater Drama City (Deep Web Underground) [English] {Hennojin}
Enkou Mor-san
[Pull Top] Rakugaki 3
(C66) [Pon'yori Densetsu (Eririn)] Sekai no chushin de hanifurasshu | Honeyflash in Centre of the World! (Cutey Honey)
Nodokan
[AB LABORATORY (NEW AB)] Aido 7 - Flash 7 (Dirty Pair Flash)
[Kuma-tan Flash! (Kumao Mofumofu)] Enkou Mor-san (Fate/Grand Order) [Digital]
(Reitaisai 10) [Kuma-tan Flash! (Hanao.)] Muishiki no Kyuuai Koudou (Touhou Project)
Haha No Kawaki | 義母的性飢渴
[Nanase Makoto] Chika Ryuushutsu - Leaked to Underground
Supplement
[GENOCIDE (Hattori Gorou)] S4U spats forever The UNDERGROUND insert SATONAKA CHIE (PERSONA 4) [Digital]
(C89) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] Se-no! (Kantai Collection -KanColle-)
DWU Sennou Ryoujoku
Raven Flash
Chika Tougijou Sen - Underground Colosseum Sen 2
(Reitaisai 8) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] KUMAlipse (Touhou Project)
(Reitaisai 9) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] KUMAlipse3 (Touhou Project) [English] [q91]
(Reitaisai 10) [Kuma-tan Flash! (Hanao.)] Rei 10 OMAKE Hon (Touhou Project)
ELF SLAVE CATALOG UNDERGROUND Vol.02
(C90) [Kuma-tan Flash! (Hanao.)] Love Trip (Kantai Collection -KanColle-) [English]
[Yameta Takashi] Ikenai Amane-san The Naughty Amane-san (COMIC Tenma 2013-06) [Chinese] [巨乳星人個人漢化]
Chuppon Onna no Vacuum Fella | 吸精淫亂女的吸引奉仕
Underground Hotel Vol. 1
[A-mania9's] BEHAVIOUR+17 ~BUNNY FLASH!!~[English][lodhel] (part 1)
Friends Gyaku Rape Goudoushi 2
NAJICA FLASH
Chika Tougijou Sen - Underground Colosseum Sen 3
Miwaku no Red Flash
[Undergroundou] Buta Moyashi
Chika Tougijou Sen - Underground Colosseum Sen 1
[Stapspats (Hisui)] Shinso Makou Shoujo THE COMIC White Holy Sword Rizuve and Red Flash Raiza Episode 3
(Puniket 20) [Chronolog, Shoujo Zukin (Sakurazawa Izumi, Hatomugi Munmun)] Alice in the underground (Soul Eater)
(C80) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] KUMAlipse2 (Touhou Project) [English] {LWB}
(CR20) [ALPS, Okachimentaiko Seisakushitsu (Various)] Okachimentaiko Ultra (Various)
[Ribonatsu] G (Tokyo Underground)
A New World Surviving, Fish Catching, Aquaculture Entrepreneuring Inseminator Uncle (Touhou Project) [English]
]NUDEGIRL | 超裸女
(Reitaisai 6) [54burger, Eclipse, Kuma-tan Flash! (Marugoshi, Rougetu, Hanao.)] Erohon. (Touhou Project)
[Shunran (Yuuki Alice, Kudara Naizou, Nakajima Akira)] honey FLASH (Cutey Honey F)
[Nawanoren (Gachoon)] NNDP 9 (Dirty Pair Flash) [2017-12-31]
(C78) [Kuma-tan Flash! (Hanao.)] Moto Souryo no Nikuyoku Seppou - C78 Omake Bon (Touhou Project)
[Wawomidasu (Kyawashuku)] Mob Zerox 3 Blue & Purple (Battle Spirits) [Digital]
(Reitaisai 8) [French letter (Fujisaki Hikari)] Pedolia! underground (Touhou Project) [Chinese] [戀芙蘭催婚協會會長封獸鵺個人漢化]