Open Plaza Ground Floor

[tipoplaza (tipo)] SakuRan (Hyakka Ryouran Samurai Girls)

(C105) [Under Ground (Koharu)] Shougatsu Ishou Towa-sama to Icha Love Ecchi Suru Hon - Tokoyami Towa Main Story (Tokoyami Towa)

Kotori's Opening

[Crimson (Carmine)] Yoru no Senritsu (Tokyo Underground)

Sensei to Seito no Kankei tte Konna ni mo Open nanoo!? | 老师和学生的关系是这么开放的吗!?

(Kouroumu 10) [Yuuen Floor (Keishiki)] Shokushu no Minamoto (Touhou Project)

Me o Hiraitemo, 3 Centi. | Even if I open my eyes 3 centimeters.

[Fractal Underground Studio] Himitsu no Basho | Secret Place [English] [SaHa]

[Henry Plaza (Henrybird)] Hoshino ga (Watashi wa) Iin da yo!! (Blue Archive) [Digital]

[Senya Sabou (Alpha Alf Layla)] A Futanari Older Sister Turns An Underground Crossdresser Into A Perverted Masochist [English] [Mr_Person] [Digital]

(C69) [RED RIBBON REVENGER (Makoushi)] Valhalla ~ Dainishou~ Fuyu no Arashi (Spiral) [Digital]

Chuppon Onna no Vacuum Fella | 吸精淫亂女的吸引奉仕

Otokonoko ga Futanari JK DeliHeal o Yondara Byou de Mesu Ochi shichaimashita.

[Gorgeous Takarada] Cannon Sensei Tobashisugi [English] [SaHa]

Hoshino datte Amaetai | 就算是星野 也会想撒娇

(Reitaisai 8) [French letter (Fujisaki Hikari)] Pedolia! underground (Touhou Project) [English] [MrBubbles]

[Eichi Jijou (Takamiya)] Seishun Radio Station!! One-Open Buchou no Mugi-kun to Shinnyuu Buin no Kannai-kun | Youth Radio Station!! Oneman-operation manager Mugi-kun and new member Kannai-kun [English]

(MBFes TOKYO in PLAZA MAAM 6-gatsu) [Kitaku Jikan (Kitaku)] Tokimeki Nonfiction (Love Live! Nijigasaki High School Idol Club)

InCha Otaku Cameko no Mama wa Dosukebe Senzoku Doinran Cosplayer

Sonna ni Kirei Janakute Ii | 不用那么美丽也可以 Ch. 1

[Underground Campaign (Senga Migiri, jin)] Dokata Kuchiman Hole - Tobi Hen

[Rain dog clothes] I opened my chunk and became a woman and feel a painful Mesuiki experience

[Inazuma] Open Water! (COMIC HOTMILK 2009-10) [Chinese] [日祈漢化]

(C71) [Ground Level (Asano Hiro)] Bright shine on Time 7 (The Melancholy of Haruhi Suzumiya)

KNight Mare Underground ~Shimai Kishi, Kanraku Dungeon~ ch. 2

Kyuujitsu no Sugoshikata

(CSP6) [CRIMSON GROUND (Miyashiro Sousuke)] Mutsu Nee-chan ni Hokyuu de Bakuchin (Kantai Collection -KanColle-)

[Unknown] Chika Teien | Underground Garden [English]

(C64) [Tsurikichi-Doumei (Umedama Nabu)] Nan Demo-R Vol. 3 (Mahou Sensei Negima)

Underground Hotel ~Cross Over~

[ffkan]Underground Battle 4

Odosa reta Kugisaki Nobara ga okasa reru dake

Chika Tougijou Sen - Underground Colosseum Sen 3

(MBFes TOKYO in PLAZA MAAM 6-gatsu) [Kitaku Jikan (Kitaku)] Tokimeki Nonfiction (Love Live! Nijigasaki High School Idol Club) [Chinese]

[Ad-Hoc (Gonbuto)] Suiyasen Okyaku-san, Mada Junbi Chuu Deshite. | Sorry Customers, we're not Open for Business Yet (Battle Spirits - Sword Eyes) [English] [ShotaChan] [Digital]

[Yuuen Floor (Keishiki)] Youseiten (Touhou Project) [Digital]

Me o Hiraitemo, 3 Senchi | Even if I Open My Eyes, 3 Centimeters

[C's cheese] ANAN Gango no Miko (Tokyo Underground)

[PURUpyon Saitou] Shitto / Grounded [English] [Rewrite] {AnonX}

[Ponsuke] Newaza de Ippon | Secret move gets a score on the ground (COMIC LO 2017-03) [English] [ATF] [Digital]

(OPEN THE GATE！4) [Wan (Suzuki)] Rekikun ni wa chin-ken ga nai (SK8 the Infinity)

[Hazuki] Sekka Shite Konagona ni Saretai Joshi | The Girl Who Wanted to be Petrified and Ground Up [English]

(Kouroumu 11) [Yuuen Floor (Keishiki)] Yuugi･Shoku (Touhou Project)

DWU Sennou Ryoujoku

(C88) [CRIMSON GROUND (Miyashiro Sousuke)] Atago-neesan to Hokyuu o Isshuukan (Kantai Collection -KanColle-)

源頼光OPENYOURMAMAZONZ

(C65) [Atelier Sava (various)] Open Invitation (Urusei Yatsura)

Marunomi ni Sareta Koujo wa Inyoku no Naedoko | The Swallowed Princess is a Breeding Ground of Carnal Desire

(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [Decensored]

(C92) [SilverRice (Sumeshi)] Kessen Yoru no Sei Senjou | The Deciding Match! An Explicit Nighttime Battleground (Granblue Fantasy) [English] [nekoumancer]

[UNDERGROUND CAMPAIGN (Senga Migiri)] USHI to KOBUSHI [Chinese] [同文城] [Digital]

(C95) [Tipoplaza (Tipo)] LITTLE BLUE (Mirai Akari) [chinese] [上野邦联汉化组]

Ingyoranji

[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [Chinese] [沒有漢化] [Digital]

(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass)

(C82) [CRIMSON GROUND (Miyashiro Sousuke)] KAEDESAN MAJI GODDESS (THE iDOLM@STER CINDERELLA GIRLS)

PRETTYUNKNOWN'S BATTLEGROUNDS

(C81) [CRIMSON GROUND (Miyashiro Sousuke)] Erotic Crimson Plus (Shinkyoku Soukai Polyphonica)

[Henry Plaza (Henrybird)] Hoshino ga (Watashi wa) Iin da yo!! | HOSHINO Is The One I Want!! (Blue Archive) [English] [Sloppy Seconds] [Digital]

Pekopen Beauty Invasion 3

[SEM;COLON (Mitsu King)] Rinri Code: Dai 2 Sou | Ethics Code: Second Floor (Sword Art Online) [English] [EHCOVE]

Underground

Kaikinbi. | Opening season

Please do not open the treasure box casually, Ms. Keqing

Sex ni Dohamari shita Higuchi Madoka

Mesu Kitsune wa Ecchi na Mirai o Mite shimatta | The Vixen Has Foreseen A Lewd Future

(C68) [Kokonokiya (Kokonoki Nao)] Pokopen no Nagai Gogo (Keroro Gunsou)

Aris to Issho ni RPG Gokko Shimashou | Let's Play Pretend RPG With Aris

EXHIBITION MATCH!! UNDERGROUND

(C84) [CRIMSON GROUND (Miyashiro Sousuke)] Houmatsu Mugen (THE iDOLM@STER CINDERELLA GIRLS)

Himitsu no TS Chika Kenkyuujo | Secret TS Underground Lab

Chika Tougijou Sen - Underground Colosseum Sen 1

[Ranchiki (dotsuco)] Mesuochi Idol-kun | Feminizing Degeneration Idol-kun [English] [Nisor] [Digital]

[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [English] [8/u/ Scanlations] [Digital]

(CR30) [SOFTCHARM (SOFTCHARM)] FULL-SWEEP EARLY UNDERGROUND (Various)

[Bosshi] Pool Biraki no Mae ni | Before the Pool Opens (COMIC HimeKuri 2004-07) [English] [Yoroshii]

(C86) [Gekidoku Shoujo (ke-ta)] Underground Blossom (Touhou Project)

(C68) [Kokonokiya (Kokonoki Nao)] Pokopen no Nagai Gogo | Pokopen's Long Afternoon (Keroro Gunsou) [English] [SaHa]

Underground Garden

Mitsugase Chika Idol | A TRIBUTE FOR THE UNDERGROUND IDOL

I opened my chunk and became a woman and feel a painful Mesuiki experience

S&HOLY NIGHT

[Makio] Hot Ice (Comic lo 2014-03) [English] {5 a.m.}

Yogosare Vampire

[Orange Opener (hard)] Chicchana Succubus-chan ni Ii You ni Sarechau Hon | 被小小的魅魔隨意玩弄的故事 [Chinese] [Digital]

[UNKNOWN] Underground Idol stage01 JUN [English]

HiME-Mania Vol. 17

[Arou Rei] F no Megami - Jou (Floor Venus)

[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen [Digital]

[Inoue Yoshihisa] Ground Ero

]NUDEGIRL | 超裸女

[TEDDY-PLAZA, 106m (Seo Tatsuya, Kuro Oolong)] Koitsura Atama ga Okashii ze (Kanzenban) | These Guys are Crazy (Kanzenban) (Touhou Project) [English] [Digital]

[Rinsun] KNight Mare Underground ~Shimai Kishi, Kanraku Dungeon~ ch. 2

UNDEAD - 活死人 - Ch.1 [冒险者公会]

Itsumo Muhyoujou na Imouto to Ecchi na Koto o Shite Shimau

Maeyo Kochou Yawahada wa Odori Kagaribi no Gotoku

[Aomizuan (Shimantogawa)] Geneki Joshidaisei to, Iyarashii Donkatsu (PlayerUnknown's Battlegrounds)

Welcome To Open Sex Class ~Class 1-H's Sex Workshop~

Minami Underground

[Pokopen-Honpo (Shikato Miyo)] Aimai na Aji no? Ichigo Tamago (I My Me! Strawberry Eggs)

[Weixiefashi] [Full Colour]The Cruel Empire Executioners 4 Angels' open execution [帝国处刑官爱丽丝4：天使们的公开处刑][全彩]

Naburare Vampire

(C82) [CRIMSON GROUND (Miyashiro Sousuke)] KAEDESAN MAJI GODDESS (THE iDOLM@STER CINDERELLA GIRLS) [English] [WWW]

Sunao ja Nai Kanojo to no Sesshikata

HiME-Mania Vol. 16

V Tsumamigui

Ocean Floor

[mdo-h] Please Open the Door (Wakarase Manman) [Chinese]

[ground-k (Kaneda)] Kyou no Ounou (Durarara!!)

(OPEN THE GATE! 2) [squall8 (YU)] Neko mo Shakushi mo (SK8 The Infinity)

Suki de Doutei Nanka Yattenai!

[Yui Toshiki] ReYui Vol.3

(C72) [INUGATA SUMMIT ( Fujino)] Open Invitation (Togainu no Chi) [English] [JenOva99]

Rinjin no bitchi hitodzuma o tsugō yoku bu~tsuokasu!

My Home Tutor Leaves Herself Wide Open

[AliceComplex (Naganohara Nis)] Alice in Underground

(C80) [Aniyagumi (Aniya Yuiji)] Me o Hiraitemo, 3 Centi. | Even if I open my eyes 3 centimeters. [English] [acmedan]

[Shiroiya (Shiroi Mochi)] 1/10 Scale Wonderground (Ookiku Furikabutte)

Dear My Ushichichi7 - Tit Groper Open For Business

Forcing Ripe Petals Open

(Reitaisai 8) [French letter (Fujisaki Hikari)] Pedolia! underground (Touhou Project)

Grounds for Fighting [English] [Rewrite] [olddog51]

(C74) [Nekopunch Bashibashi (Mogudan, Nyangorou)] Under Ground [English] [SaHa]

[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [English] [8/u/ Scanlations] [Digital]

(C87) [CRIMSON GROUND (Miyashiro Sousuke)] KAEDESAN MAJI GODDESS SR+ (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [瓜皮汉化]

[chirarizumu] Aka to Kuro╱UNDER GROUND & Chijou no Hoshi (Gurren Lagann, Darker than Black)

[Karma Tatsurou] Doabata Kaigi | Open the Leg or Door [English] {Brolen}

(C87) [OPEN BOOK (Toumi Haruka)] JUSTY-COMMUNICATION (Sword World 2.0)

[Ryo] Tomodachi ni Nayami o Soudan Shite Mitara Ayashige na Basho ni Tsurete Koraremashita. | I went to my friend for advice but instead she took me to a shady underground club. (COMIC Tenma 2014-07) [English] =LWB=

Underground wrestling

(C77) [Pokopen-Honpo (Shikato Miyo)] Natsuru SOS (Kampfer) [English] [For The Halibut]

Chika Tougijou Sen - Underground Colosseum Sen 2

Nekoja Nekoja 3 Ch. 13-16

[Ogawa Hidari] Open the Girl (COMIC LO 2016-07) [English] [ATF]

From The Underground

(ComiComi8) [GROUND-Zero (Inui)] Riro Seizen (Touhou Project)

[S3B (swzw)] Kaiten! ! Etchi-ya-san ga yattekita! ! | It's Open For Business!! The Lewd Sex Service Mobile!! [English] {Doujins.com} [Digital]

(Houraigekisen! Yo-i! 38Senme) [InspirationFloor (Non-Sugar)] Sore wa Minamijuujisei no Toukoushoku (Kantai Collection -KanColle-)

A Futanari Older Sister Turns An Underground Crossdresser Into A Perverted Masochist

Muryoru Kangoku | The Swarm Approaches the Wicked Prison