FLASHBACK (Toriko)
[Abura Katabura (Papipurin)] Midgar Underground Capter 1: Tifa Haidaku Nyuumetsu (Final Fantasy VII)
Hatsujo Approach 1-wa
(C96) [SILENT HILL (Morisoba)] NOT JAP (Deep Web Underground) [English] {Hennojin}
(C84) [Kuma-tan Flash! (Various)] Kanmusu Collection (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]
[RED RIBBON REVENGER] kuro
Hakoiri Ninja Gaiden Emaki
[Hazuki Kaoru] Shuuchi no Yakata
(Underground Carnival) [Inyu-goya (Inyucchi)] Chitei no Yakata no Aigan Shoujo (Touhou Project)
Uchi no Kawaii Doukyonin-san Sono Go | My Cute Roommate Epilogue
(C61) [Matsuge Club (Getsuma)] White Flash (Virtual On)
Raven Flash
[AliceComplex (Naganohara Nis)] Alice in Underground
(C91) [Kuma-tan Flash!, Eclipse (Hanao., Rougetu)] Supplement (Kantai Collection -KanColle-)
[Paint Robo] Nakadashi - Intravaginale Ejakulation
Buchou to Kachou | 部长与课长 1-3
Flash Noise
(C83) [Tricot (Stella.Ing)] From the Underground (The Legend Of Zelda)
(Mori no Kiseki 13) [Kuma-tan Flash! (Hanao.)] Pink Telepathy (Touhou Project)
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [English] [0405]
(Reitaisai 12) [Kuma-tan Flash! (Yamu)] Tanetsuke Oji-san Hazard | Jizz Geezer Hazard (Touhou Project) [English]
(Reitaisai 12) [Kuma-tan Flash! (Nishimura Nike)] Remilia to Fushigi no HiAce | A Simmer of Remilia With a Mysterious HiAce (Touhou Project) [English]
[Wawomidasu (Kyawashuku)] Mob Zerox 3 Blue & Purple (Battle Spirits) [Digital]
[Ameya Kirica] Chichi Pri! [Chinese]
(C78) [Kuma-tan Flash! (Hanao)] Scapegoat Act: 1 (Touhou Project)
[sky & si-o] 罪世 - 第1章 | Tsumi Yo - Chapter 02 [EN]
FABRICATION FLAVOR
DWU Sennou Ryoujoku
NOT JAP
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [English] [8/u/ Scanlations] [Digital]
Kono Watakushi ga Saimin ni Makeru Wake Arimasen wa!
[Rinsun] KNight Mare Underground ~Shimai Kishi, Kanraku Dungeon~ ch. 2
[Undergroundou] Underground Natural Klutz Orgasm VI
i★dol翔子~FINAL FLASH~
[ffkan]Underground Battle 5
(C78) [bolze. (rit.)] The Sunshine Underground (Heart Catch Precure)
Midnight / Flashlight
[Yuzunokiichi] Watashi ja Nai Watashi (COMIC Kairakuten 2018-08) [Chinese] [AL4个人汉化] [Digital]
Underground Hotel
Omakebon 9
NAJICA FLASH
[ONEONE1 (Ahemaru)] Roshutsu Kaijin Flasher Girl ~Kyonyuu Sukeban Marimo AFTER EPISODE~
Zokubutsu.zip Chika | Underground
(C90) [Kuma-tan Flash! (Hanao.)] Love Trip (Kantai Collection -KanColle-)
Honey Flash Seven
[Yui Toshiki] ReYui Vol.3
(CR20) [ALPS, Okachimentaiko Seisakushitsu (Various)] Okachimentaiko Ultra (Various)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [Chinese] [沒有漢化] [Digital]
(C48) [Studio Katsudon (Manabe Joji)] Kyouetsu Shigoku (Various)
[Unknown] Chika Teien | Underground Garden [English]
(C78) [Akai Maruboro] Mio-jou ni eroime ni Attemoraou Tokusei Tadaku Flash Paper (K-On)
[Tsurikichi-Doumei (Various)] Oooka Nan DemoーR (Various)
(C88) [Kuma-tan Flash! (Hanao.)] Akatsuki datte Shireikan no Osewa kurai Dekirundakara!! (Kantai Collection -KanColle-)
Ningen wa oroka
(C88) [Jagabata (Oimo)] Miwaku no Red Flash | Fascinating Red Flash (PriPara) [English] {/u/ scanlations}
Twilight Flasher ENG (incest)
(Reitaisai 11) [Kuma-tan Flash! (Hanao.)] concern (Touhou Project)
(C52) [Nawanoren (Shimizu Kiyoshi)] NN GACHOON (Various)