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

Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club

(C67) [Water Wheel (Shirota Dai)] Hesitates Operating System (OS-tan) [English] [SaHa]

Honjitsu wa Heiten itashi mashita

(C71) [Chateau Dassault (S.SHIMIZU)] SUPER ROBOT OPERATION 01 (Super Robot Taisen)

(SC58) [L'ARCHANGE (Kagutsuchi)] Vivid Momo Operation no Tame ni Isshiki Shimai ga Tokunou Mayonnaise-mamire de Ganbaru Hon (Vividred Operation)

(C82) [nightstalker (Hir)] Change The Operation (Dungeon Fighter Online)

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

OPERATION -V-

Dance! Tentacle Research Center - Seedbed-hen

Kitaru Mirai no Himitsugoto

[Studio Nunchaku (Akihira)] Isshiki Akane - Nama Hame Gachi Tori Renzoku Shasei (Vividred Operation) [Digital]

OPERATION γ

(C94) [Nekobakuchi (Uzukinoko)] NORMAL OPERATION (BLAZBLUE)

(C103) [cloudair (Katsuto)] Alola Okozukai Daisakusen! - Alola-Style Operation to get Pocket Money Sugar Dating (Pokémon Sun and Moon)

Girls und Panties - Initiating Operation FapFap!

Titokara 2nd Branch Soushuuhen 2012-2015

Back Cube Operation

Fellatio Kenkyuubu Blowjob Research Club Ch. 3

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

[Haruta] Youkoso! BL Kenkyuu Club | Welcome to the Yaoi Research Club 2-in-1 Bonus Chapter [English] [Digital]

[Mist Night] Operation Vore Comic (Vividred Operation)

(SC60) [Mukousharan (Chiyami)] Tentacle Operation (Vividred Operation)

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

(C97) [casis-kabosu (Aria.)] Maid na Kanojo wa Ore no Hanashi o Kikanai! (Cafe Stella to Shinigami no Chou) [English] [Crack Team Operations]

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

Pike Bone Rescue Operation

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

[Asanoya (Kittsu)] Seishinhoukai Surumade Kusugurimakutte Ryoujoku Shitemiru Test VI -Tarushiri- (Vividred Operation) [Digital]

[Amuai Okashi Seisakusho (Siira Kaeru, Matsuzono)] Operator TS Akuochi Keikaku

(C84) [real (As-Special)] HEAT (Vividred Operation) [English] [Yuri-ism]

(C78) [Yo wa Okazu wo Shomou Shiteoru (Shian)] Onna Kenkyuuin no Ijou na Aijou | A Female Researcher's Abnormal Desire [English] =LWB=

[Amuai Okashi Seisakusho (Siira Kaeru, Matsuzono)] Operator TS Akuochi Keikaku | Operator TS Project Downfall [English] {defski}

Ela no Sakusen Kiroku | Ela's Operation Log

Operation Kemonomimi Maids All Together!

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

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

J47 A Sakusen Yokou Enshuu

(C85) [Pokopen-Honpo (Shikato Miyo)] Himawari-chan ga Oji-san ni Tondemonai Koto o Sareru Hanashi (Vividred Operation)

[Nightmare Express -Akumu no Takuhaibin-] Yokubou Kaiki Dai 510 Shō - Yobai Kan Manshon 01 Operēta Musume MAYA 24-Sai -

(C90) [Tamago no Kara (Shiroo)] -Operation Summer Fold Booklet-

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

Attack on Research

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

Yuri-ken Beit Boshuuchuu Soushuuhen | Yuri's Lab Wants Research Assistants

Dance! Tentacle Research Institute

Dance! Tentacle Research Institute

(C84) [Negapoji-Bu (Yuuki Shin, Booch)] America San Gyuuniku-chan 54000 Gram

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

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

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

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

[MEKONGDELTA & DELTAFORCE (Route39, Zenki)] Operation TIGER!! (Fate/stay night)

[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]

(COMIC1☆7) [Tokinochaya (Tokino)] Vividred Education (Vividred Operation)

[Takahashi Note] Jiyuukenkyuu | Independent Research (COMIC LO 2015-11) [English] {5 a.m.}

(C66) [Hard Puncher Maniax (Shibahara Gocho)] Chihiro Under Size (Tsuki wa Higashi ni Hi wa Nishi ni ～Operation Sanctuary～)

BOKO BOKO OPERATION 2 {Hennojin}

(C87) [YOU2HP (YOU2)] AkaRei☆Operation (Vividred Operation) [English] [Belldandy100] [Decensored]

(COMIC1☆7) [Circle ARE (Cheru, Kasi)] BiBittored Operation (Love Live!) [English] [NEETouRyu Dojo]

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

Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record

Research Love Make Presentation | Research Lab x Expression

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

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

[Zonda] Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [Sloppy Seconds] [Digital]

Shiri Waki Niku Odoru!

Zecchou Kenkyuujo 2 Orgasm Research Facility 2

Hell of Operation

[Minamida Usuke] Dokidoki Eizou-Kenkyuu-Bu | Steamy Cinema Studies and Research Club (COMIC HOTMILK 2017-01) [English] [Digital] [Incomplete]

[Hisagoya (Momio)] BOKO BOKO OPERATION (Girls und Panzer) [Digital]

[Camrism (Kito Sakeru)] Operation TTT (Kantai Collection -KanColle-) [Digital]

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

[Kaname (Siina Yuuki)] Momotto Motto Operation (Vividred Operation) [Digital]

(ViviPan!) [Nanairo Senpu-ji (Hosikawa Tukimi)] Vivitto Retujo-Oshiri Medeation (Vividred Operation)

(C91) [Neko wa Manma ga Utsukushii (Hisasi)] Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2 (Shokugeki no Soma) [English] [Metaphrastes]

(C74) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Kakyuu Sentou In no Isshou" - Turupeta Research Report

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

Vividark Opertion | 插件

[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]

(C75) [Aruma Therapy (Arumaji Nebukuro)] Shiru Dark Operator (Gundam 00)

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

NORMAL OPERATION

[Nightmare Express -Akumu no Takuhaibin-] Yokubou Kaiki Dai 510 Shou -Yobai Kan Mansion 01 Operator Musume MAYA 24-sai- [Chinese] [有条色狼汉化]

[Cheeseyeast (Naka)] Vacuum Ward -Vacuum Operation- [Digital]

[Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho 005 "Dengeki Jigoku" - Turupeta Research Report

(CR37) [HYPER BRAND (Ishihara Masumi)] Operation Ragnarok ~Kind Lady~ (Ragnarok Online)

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

Ichizu na Hikoujouki no Kyuushutsu Sakusen | Single-minded Airfield Princess's Rescue Operation

Twilight's Research | 暮光学习计划

Midnight Operator

[PASTEL WING (Kisaragi-MIC)] Hanihani Scrumble 2 -BLUE MAX- (School Rumble/Tsuki wa Higashi ni Hi wa Nishi ni ～Operation Sanctuary～)

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

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

[Yoshitakashi Athletic (Yasaka)] Chrono Kid TSURUGI: Operation Tights

(C66) [High-octane (Haioku)] tsuki wa azuma ni ha wa nishi ni (Tsuki wa Higashi ni Hi wa Nishi ni ～Operation Sanctuary～)

Operation Anis

operation futanari

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

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

(COMIC1☆7) [K-Drive (Narutaki Shin)] VIVID・MIX (Vividred Operation)

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

[Umedama Nabu] Operation Daisakusen

Operation having childeren

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

[Shinsekai Set (Hetaren)] Kurodate o Shiro ni Someru Seishoku Kenkyuu o (Blue Archive) | Sexual Gourmet Research: Dyeing Kurodate White [English] [Douzo Lad Translations]

Nanyou no Vacances Sakusen | Vacation-Operation in the South Seas

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

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

BOKO BOKO OPERATION

(C94) [operatioN (N)] I copy. (Kantai Collection -KanColle-)

Operation having childeren

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

[Ogawa Kanran] Yoi Kono Jiyuu Kenkyuu | Independent Research Time [English] [Jojo]

[Auroramix (Shigekix)] Operation "Sendai" Abduction (Kantai Collection -KanColle-) [Digital]

[Ryuuga Sin] Tonari no AV Tsuma (COMIC MUJIN 2013-03) [English] [Sandwhale]

[Tecchan] Please, Onii-chan [English] [SaHa]

(C87) [YOU2HP (YOU2)] AkaRei☆Operation (Vividred Operation) [Chinese] [师兄汉化]

[Zonda] Fellatio Kenkyuubu Ch. 2 | Blowjob Research Club Ch. 2 (COMIC Mugen Tensei 2021-07) [Chinese]【羅莎莉亞漢化】

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

Ansel no Operator Care

(COMIC1☆7) [SpiciaCrow (Kirisaki Mocori)] Momo no Okozukai Operation (Vividred Operation) [Sample]