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[Kuronekotei (Chibinon*)] Love Operation (Angel Beats!) [Digital]

Soine Chuuiki Operation Tights

(C84) [Rakkasei (Shinozaki Mizu)] Vivid-Green Ignition! (Vividred Operation)

[Matsurioka Hideyuki] Reken ~Shinsoku Raper Domo~ | Rape Researches

[Special Week (Fujishiro Seiki)] Enkou Operation (Vividred Operation)

Dance! Tentacle Research Institute

[Umedama Nabu] Operation Daisakusen DS9

[DL Mate] Saimin Sousa ~Saiminjutsu de Toorisugari no Joshi-tachi o Yaritai Houdai!~ | Hypnosis Operation ~ With My Hypnosis The Women Passing By Are An All-I-Can-Fuck Buffet ~ [English] [HHwolf]

Operation TTT

(C64) [Chimatsuriya Honpo (Arashiyama Tsugumoto, Asanagi Aoi)] LEVEL E Plus Gunparade March Ultrasonic Second Operation (Gunparade March)

Midnight Operator

Insect Research Institute 2

(C87) [YOU2HP (YOU2)] AkaRei☆Operation (Vividred Operation)

(C86) [tomatohouse905's room (Urabi)] Be United, Please!! Extra Operation ☆ (Arpeggio of Blue Steel, Kantai Collection -KanColle-) [Chinese] [空気系☆漢化]

[Otsumami] A Story About An Operator Who Gets A Naughty High-Paying Part-Time Job (Arknights) [English]

Undead Pappy | 吸血鬼爸比 Ch. 1

Titokara 2nd Branch Soushuuhen 2012-2015

(COMIC1☆7) [Asatsuki Dou (Youta)] Isshiki Momo Ganbarimasu (Vividred Operation)

[Kinku] Jiyuukenkyuu Bitch Report | Research Project: Bitch Report! (COMIC LO 2013-09) [English]

Magical Occult Research Girl Defeated

[Shiranui Research Institute (Shiranui)] Shiranuhi Ninpo cho ichi-kan (King of Fighters, Street Fighter) [Digital]

Vividark Opertion | 插件

(SC2016 Autumn) [Hisagoya (Momio)] BOKO BOKO OPERATION 2 (Girls und Panzer) [Chinese] [脸肿汉化组]

[Kawai Shun] Odoru! Shokushu Kenkyuujo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [Chinese]

BROWNBOXverE

MONZETSU OPERATION

[Eroliya (iuro)] Hiyake Daisakusen!! | Operation Suntan!! (iuro no Full Color Soushuuhen 1) [English] =Team Vanilla=

(C80) [Maniac Street (Sugaishi, Oono)] Momoiro Operation (To LOVE-Ru) [English]

(Tokyo Shock 2) [Operating Room (Puchida)] Honjitsu wa Heiten Itashimashita (Tokyo Ghoul)

(CT31) [Studio P.M.Y (Mikarin)] Operation having childeren (Azur Lane) [English] [Unforgotten]

[True RIDE (Shinjitsu)] Muratto Hip Operation (Vividred Operation) [English] [Na-Mi-Da]

[+14 (Chuuta)] Pekepeke Operation (Vividred Operation) [Digital]

(C77) [Operation Panel (Magiko)] Extra Turn (Shin Megami Tensei: Devil Survivor)

(C89) [Operating Room (Puchida)] Kitaru Mirai no Himitsugoto - Secret Events of the Coming Future (Tokyo Ghoul) [English] [EHCOVE]

JS Kenkyuukai | JS Research Seminar

[Mist Night (Arniro)] Hell Of Swallowed [Operation fail Rei]

I got the power of the God-class who I'm manipulating people for geeks! ~ Stop, operation, emotion control

[Umedama Nabu] Operation Daisakusen Voyager

(C86) [Caramel Colors (Yamabuki Zarame)] 2230 Shitsumu Shitsu Kyoushuu Sakusen - 22:30 Admiral Office Assault Operation (Kantai Collection -KanColle-) [English] [desudesu]

Fellatio Research Department Epilogue

(Tokyo Shock 2) [Operating Room (Puchida)] Honjitsu wa Heiten Itashimashita (Tokyo Ghoul) [English] [EHCOVE]

[ONEONE1 (Histamine C)] Seigi no Mikata Reverse Bunny ~Harami Kakugo no Shikyuu Sousa Kaishi~ | Ally of Justice Reverse Bunny ~Start Operating the Womb That's Ready for Breeding~ [English] [Pangean] [Digital]

Tsuki wa Higashi ni Hi wa Nishi ni - Operation Sanctuary - Visual Fan Book Shokai Ban

Fellatio Kenkyuubu | Blowjob Research Club

(SC36) [AXZ (Ryuuta)] Angel's Tail Operation Iinchou no Ninshin Daisakusen

(C84) [Tridisaster (Saida Kazuaki)] Phichit Pants Operation (Vividred Operation) [English] [Tigoris Translates]

(Tokyo Shock 2) [Operating Room (Puchida)] Honjitsu wa Heiten Itashimashita (Tokyo Ghoul) [Chinese] [沒有漢化]

(C86) [JUNK STORY (Michairu)] PIECES (Vividred Operation) [English] =LWB=

[Sekai Kakumei Club (Ozawa Reido)] Shiri-Waki-Niku Odoru! (Vividred Operation)

Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3

(C77) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Shin Hissatsu Waza no Kyoufu " - Turupeta Research Report

(C83) [Titokara 2nd Branch (Manami Tatsuya)] Momoiro Operation (Vividred Operation)

Jiyuu Kenkyuu de Ochinchin o Shiraberaremashita | We Decided to Examine a Penis for Our Independent Research

(COMIC1☆9) [Detox-Girls (Akai Hoya)] ALDNOAH.ERO (Aldnoah.Zero, Vividred Operation) [English] [CGrascal]

(COMIC1☆7) [FESTA. (Yoshitani Motoka)] Jigen Engine no Himitsu (Vividred Operation)

[cloudair (Katsuto)] Alola Okozukai Daisakusen! - Alola-Style Operation to get Pocket Money Sugar Dating (Pokémon Sun and Moon) [Digital]

(C68) [Sumomo Dou (Sumomo EX)] Vivian Bessatsu. 27 Itsuwari no Kage Sinon Monzetsu Hen (Starship Operators)

(Futaket 9) [Kirei na Oneesan (Yayoi Kirei)] Byubyured Operation (Vividred Operation)

Pike Bone Rescue Operation

Yukemuri Kairaku Refresh Zenpen+Kouhen | 蒸汽快感大保健 前篇+后篇

VPO VIVID PURPLE OPERATION

[Zonda] Fellatio Kenkyuubu | Blowjob Research Club [English] [Uncensored] [head empty + RedLantern]

Operation Fail - Arniro111

Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2

[Mist Night (Arniro)] Hell Of Swallowed [Operation fail Rei] [English]

Operation Fail [English] - Arniro111

(COMIC1☆7) [G-Power! (SASAYUKi)] No Title #03 (Vividred Operation) [English] [SMDC]

[Sanbaizu] Oba-san no Toile o Shita kara Nozoku [English] [Brolen]

[Arai Kei] Yugame | Distorted Love (Comic Megastore 2013-02) [English] [desudesu]

(COMIC1☆9) [Detox-Girls (Akai Hoya)] ALDNOAH.ERO (Aldnoah.Zero, Vividred Operation)

(COMIC1☆7) [G-Power! (SASAYUKi)] No Title #03 (Vividred Operation) [English] [CGrascal]

[Studio Nunchaku (Kome Tsubu)] Vividred Jikkenshitsu (Vividred Operation) [Digital]

BOKO BOKO OPERATION 2

OPERATION γ

OPERATION

Girls und Panties - Initiating Operation FapFap!

[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]

(Futaket 8) [Terikoya (Buri)] Operation Futanari (Street Fighter) [English] =SW=

(C84) [Genei Teito (Chouzetsu Yarou)] J・R・S (Vividred Operation)

GUNPARADE MARCH ULTRASONIC ATTACK! FIRST OPERATION. LEVEL E

[チーズ酵母] 真空病棟 ～vacuum operation～│ドロップブックス

[Dokurosan] Eiken Lovers | Movie Research Lovers (COMIC Tenma 2009-05 Vol. 132) [English] [Brolen]

[Kawai Shun] Odoru! Shokushu Kenkyuujo "Naedoko" Hen | Dance! Tentacle Research Center - Seedbed-hen [English] [solowing]

Ela no Sakusen Kiroku | Ela's Operation Log

(COMIC1☆7) [G-Power! (SASAYUKi)] No Title #03 (Vividred Operation)

[Naito Loveca] Hajimete no Kokuhaku (Juicy No. 8 2015-01) [English] {NecroManCr}

NORMAL OPERATION

Touka-chan ga Mezamenai!!

(C78) [Kanmidokoro USB (Furiri)] Operation BAYTOWN (Strike Witches)

(SC58) [PIANIISHIMO (Pija)] Binbou Enkou Operation (Vividred Operation) [English]

[Umedama Nabu] Operation Daisakusen