(CR30) [SOFTCHARM (SOFTCHARM)] FULL-SWEEP EARLY UNDERGROUND (Various)
(C78) [Crazy9 (Ichitaka)] Alice in Underground (Ookami-san to Shichinin no Nakama-tachi)
(C92) [Kuma-tan Flash!, Eclipse (Kumao Mofumofu, Rougetu)] Cupla (Kantai Collection -KanColle-) [Chinese] [朔夜汉化]
Humiliation underground
(C77) [Flash Point (Aoi Takayuki)] Natsu Shounen - Summer Boy (Summer Wars)
(CR21) [Rocket Kyoudai (Various)] Honey Flash (Cutey Honey F)
Watashi ga Maketara Nandemo Iu Koto Kiite Ageru
(C74) [FLASH POINT (Aoi Takayuki)] 《0》
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 5 [Chinese] [沒有漢化] [Digital]
(C56) [AB Normal (NEW AB)] Aido 56789 Soushuuhen (Various)
(Reitaisai 10) [Kuma-tan Flash! (Hanao.)] Muishiki no Kyuuai Koudou (Touhou Project)
(C89) [ONEONE1 (Kakinomoto Utamaro)] i★dol Shouko FINAL FLASH
Underground Sex Fight Club
FLASH BACK 20081230
[Red Ribbon Revenger] Valhalla ~Joshou~ (Tokyo Underground & Spiral)
Imouto Sengen
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [Digital]
ジュンさん本
Okuu to Kare no Hyouryuu Nikki
[ffkan]Underground Battle 4
(C94) [Kuma-tan Flash! (Kumao Mofumofu)] Abigail to Himitsu no Kagiana (Fate/Grand Order)
[Unknown] Chika Teien | Underground Garden [Chinese]
Underground Six
(Kemoket 4) [Flash Point (Various)] PONY Love (My Little Pony Friendship is Magic) [Chinese]
[Undergroundou] Buta Moyashi
(C75) [Eclipse, Kuma-tan Flash! (Rougetu, Hanao.)] Jarekko Doubutsu (Touhou Project) [Incomplete]
(C76) [Kuma-tan Flash! (Hanao)] Tube Rose (Touhou Project)
[Studio Z-Agnam (Azuma Kyouto)] HONEY FLASH! 1 (Cutey Honey)
[Ameya Kirica] Chichi Pri! [Chinese]
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [Decensored]
(COMIC1☆9) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] HELLO (Kantai Collection -KanColle-) [Chinese] [CE家族社]
Chika Teien | Underground Garden
Uchi no Kawaii Doukyonin-san Sono Go | My Cute Roommate Epilogue
Daigaku no Senpai to Nori de Kiss Shitetara Sono Hi no Uchi ni Issen Koechatta Hanashi
[Yoshitatsu Kiichigono] Flashbang! [ENG] Hi-res
KUMAlipse3
Miwaku no Red Flash
[Harazaki Takuma] SEARCH
Chika Tougijou Sen - Underground Colosseum Sen 2
(C99) [Kuma-tan Flash! (Kumao Mofumofu)] Konya Sabishii Hinageshi wa (Fate/Grand Order)
Pedolia! underground
(C77) [Kuma-tan Flash! (Hanao)] Fairy Tale ~ Kawaii Koinu no Sodatekata ~ (Touhou Project)
(C92) [Kuma-tan Flash! (Kumao Mofumofu)] Yamakaze no Koto, Suki? (Kantai Collection -KanColle-)
[Shunran (Yuuki Alice, Kudara Naizou, Nakajima Akira)] honey FLASH (Cutey Honey F)
(C78) [Akai Maruboro] Mio-jou ni eroime ni Attemoraou Tokusei Tadaku Flash Paper (K-On)
タイムマシンにおねがい
(C88) [Lithium (Uchiga)] Again #2 "Flashback Memories" (God Eater)
(C66) [Pon'yori Densetsu (Eririn)] Sekai no chushin de hanifurasshu | Honeyflash in Centre of the World! (Cutey Honey)
(C94) [Kuma-tan Flash! (Kumao Mofumofu)] Omake Book C94 (Fate/Grand Order)
[Yui Toshiki] ReYui Vol.3
(Reitaisai 7) [Kuma-tan Flash! (Hanao)] Mebius:loop+Omake (Touhou Project) [English] [DesuDesu]
Chika Tougijou Sen - Underground Colosseum Sen 4
(C80) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] KUMAlipse2 (Touhou Project)
S to M to M to S
(C95) [Kuma-tan Flash! (Kumao Mofumofu)] Lost Desired (Goblin Slayer)
[Rinsun] KNight Mare Underground ~Shimai Kishi, Kanraku Dungeon~ ch. 2
Chika Tougijou Sen - Underground Colosseum Sen 4 | 지하투기장 센4
Underground Garden
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [English] [8/u/ Scanlations] [Digital]
NOT JAP
(Reitaisai 8) [Kuma-tan Flash! (Hanao)] Except soul (Touhou Project)
[sky & si-o] 罪世 - 第1章 | Tsumi Yo - Chapter 02 [EN]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 5 [Digital]
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [English] [0405]
Zecchou CONTRACT
Vtuber Sokuhame Kairaku Ochi Hon 2
[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]
(Reitaisai 8) [French letter (Fujisaki Hikari)] Pedolia! underground (Touhou Project)
Makafushigi Toumei Ojisan
[Taniguchi-san] -Tamashii-INSERT LEVEL 2 Shojo Dorobou (COMIC Unreal 2015-06 Vol. 55) [Chinese] [無邪気漢化組]
Enkou Mor-san
Haha No Kawaki | 義母的性飢渴
[Ribonatsu] G (Tokyo Underground)
(C88) [Lithium (Uchiga)] Again #2 "Flashback Memories" (God Eater) [Chinese] [无毒汉化组]
(SPARK8) [Radistar (157)] Triglav Underground Railway (Tales of Xillia)
[UNDERGROUND CAMPAIGN (Senga Migiri)] USHI to KOBUSHI [Chinese] [同文城] [Digital]
(C84) [Kuma-tan Flash! (Various)] Kanmusu Collection (Kantai Collection -KanColle-)
Kono Watakushi ga Saimin ni Makeru Wake Arimasen wa!
(C80) [Eclipse, Kuma-tan Flash! (Rougetu, Hanao.)] Bukkake! Seieki Benjo (Touhou Project)
Nee-sama no Inai Chinjufu
[Cha Cha Cha Brothers (Yokoyama Chicha)] Harenchi (Various)
[Fractal Underground Studio] Himitsu no Basho | Secret Place [English] [SaHa]
[U.M.E.Project (ukyo_rst)] ELF SLAVE CATALOG UNDERGROUND Vol.02 [Digital]
Otona o Karakau n ja nai!
Kioku Soushitsu