Reigou Sakusen Hatsudou! | Begin Operation Rei-go!
(COMIC1☆10) [Hisagoya (Momio)] BOKO BOKO OPERATION (Girls und Panzer) [Chinese] [贝尔西行寺X想抱雷妈汉化组]
TS Shujutsu Mesu niku Ishoku Kiroku | TS Operation File On A Female Body Transplant
Hypnosis Operation ~ With My Hypnosis The Women Passing By Are An All-I-Can-Fuck Buffet ~
Pike Bone Rescue Operation
H○LOX Himitsu Kessha Keiei no Susume 01 | How to operate Secret Society H○LOX-01
(COMIC1☆11) [Showa Saishuu Sensen (Hanauna)] Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record (Hyouka) [English] [Doujins.com]
JS Kenkyuukai | JS Research Seminar
(CT31) [Studio P.M.Y (Mikarin)] Operation having childeren (Azur Lane) [English] [Unforgotten]
Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3
(C68) [LiZ (Satomi Hinako)] Lovely Honey (Tsuki wa Higashi ni Hi wa Nishi ni ~Operation Sanctuary~)
[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]
Yokubou Kaiki Dai 510 Shō - Yobai Kan Manshon 01 Operēta Musume MAYA 24-Sai -
[Mist Night (Arniro)] Hell Of Swallowed [Operation fail Rei] [English]
Honjitsu wa Heiten itashi mashita
[MEKONGDELTA & DELTAFORCE (Route39, Zenki)] Operation TIGER!! (Fate/stay night)
[Slow Masturbation Research Society] "The seven fundamental operations" [ENG]
Operator TS Akuochi Keikaku
Operation Fail - Arniro111
Operation TTT
(C86) [JUNK STORY (Michairu)] PIECES (Vividred Operation) [English] =LWB=
BodyBox
Insect Research Institute 2
[Libido (Omoutubo)] Zettai Ryouiki (Starship Operators)
(C75) [Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho "Kessen Zenya" - Turupeta Research Report
(C95) [I.S.O.P. (Kamui Aya)] OPERATION γ (Azur Lane)
[Un-Go] Doctor Kazamori's Slightly Naughty Research 2 [English]
Movie Research Lovers
(C90) [Omocha Kaden (Beni Bana)] Himawari ni Tane (Vividred Operation)
[True RIDE (Shinjitsu)] Muratto Hip Operation (Vividred Operation) [English] [Na-Mi-Da]
[Hara Shigeyuki] Binyuchousain Ayako | Busty Researcher Ayako [English] {Tadanohito} [Digital]
OPERATION γ
BOKO BOKO OPERATION 2
Mousou Mini Theater 32
(COMIC1☆7) [Asatsuki Dou (Youta)] Isshiki Momo Ganbarimasu (Vividred Operation)
(C74) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Kakyuu Sentou In no Isshou" - Turupeta Research Report
[True RIDE (Shinjitsu)] Muratto Hip Operation (Vividred Operation)
(COMIC1☆7) [Kaname (Siina Yuuki)] Motto Momotto Motto Operation (Vividred Operation)
[Otsumami] A Story About An Operator Who Gets A Naughty High-Paying Part-Time Job (Arknights) [English]
[Umedama Nabu] Operation Daisakusen DS9
(COMIC1☆9) [Detox-Girls (Akai Hoya)] ALDNOAH.ERO (Aldnoah.Zero, Vividred Operation)
(CT31) [Studio P.M.Y (Mikarin)] Operation having childeren (Azur Lane)
(C89) [Operating Room (Puchida)] Kitaru Mirai no Himitsugoto - Secret Events of the Coming Future (Tokyo Ghoul) [English] [EHCOVE]
(C94) [operatioN (N)] I copy. (Kantai Collection -KanColle-)
(SC2016 Autumn) [Hisagoya (Momio)] BOKO BOKO OPERATION 2 (Girls und Panzer) [Chinese] [脸肿汉化组]
Gochastar
(C80) [Maniac Street (Sugaishi, Oono)] Momoiro Operation (To LOVE-Ru)
[Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho 005 "Dengeki Jigoku" - Turupeta Research Report
OPERATION "SENDAI" ABDUCTION
[Kawai Shun] Odoru! Shokushu Kenkyuujo | Dance! Tentacle Research Institute [English] [solowing]
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]
(C87) [YOU2HP (YOU2)] AkaRei☆Operation (Vividred Operation) [English] [Belldandy100] [Decensored]
(Tokyo Shock 2) [Operating Room (Puchida)] Honjitsu wa Heiten Itashimashita (Tokyo Ghoul) [English] [Hao Scanlations]
[Red Axis] Vividark Opertion (Vividred Operation)
(SC58) [PIANIISHIMO (Pija)] Binbou Enkou Operation (Vividred Operation)
(COMIC1☆7) [Circle ARE (Cheru, Kasi)] BiBittored Operation (Love Live!)
(SC60) [Garou Kissa Hapido (Takeshita Kenjirou)] Renai Shoshinsha Mark (Vividred Operation)
(SC60) [Mukousharan (Chiyami)] Tentacle Operation (Vividred Operation)
[Mist Night (Arniro)] Hell Of Swallowed [Operation fail Rei]
Fellatio Research Department | Fellatio Kenkyuubu - Ch.01
[Takahashi Itsumi] The Great Closet Operation (Yuri Hime Wildrose 3) [English]
operation futanari
[+14 (Chuuta)] Pekepeke Operation (Vividred Operation) [Digital]
Kawashima Momo to Koyama Yuzu no Sennyuu! Seishidan-kou Daisakusen | Momo Kawashima and Yuzu Koyama's Infiltration! Operation Blue Division Highschool
MS2 Operation 13
SUPER ROBOT OPERATION 01
(COMIC1☆7) [Ryanhan Shibari (Uetsuka Ei, Pokiri)] operation 0 (Vividred Operation)
[SOUND MILK (Otochichi)] Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research (Mahou Tsukai Precure!) [English] [ATF] [Digital]
[Studio Nunchaku (Kome Tsubu)] Vividred Jikkenshitsu (Vividred Operation)
Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record
(COMIC1☆9) [Detox-Girls (Akai Hoya)] ALDNOAH.ERO (Aldnoah.Zero, Vividred Operation) [English] [CGrascal]
[Studio Nunchaku] Vividred Cums! (Vividred Operation)
(C93) [Dodoitsu. (Panco.)] Research Love Make Presentation | Research Lab x Expression (Motto! Hinekure Chaser 3) [English] [Pink Cherry Blossom Scans]
Syuen-tan Seiteki Hokaku Sakusen! | Operation Sexually Capturing Shuen!
Blue box(english}
[Zonda] Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [Sloppy Seconds] [Digital]
(C89) [Joukitei (Urase Shioji)] Nanyou no Vacances Sakusen | Vacation-Operation in the South Seas (Kantai Collection -KanColle-) [English] [desudesu]
(C67) [waterwheel (Shirota Dai)] Hesitates Operating System (OS-tan)
Zecchou Kenkyuujo | Orgasm Research Facility
Zecchou Kenkyuujo 2 Orgasm Research Facility 2
[Yamada Gogogo] TS Shujutsu Mesu Niku Ishoku Kiroku | TS Operation File On A Female Body Transplant (2D Comic Magazine Seitenkan Shite Haramasarete Botebara End! Vol. 3) [English] [FC] [Digital]
(C84) [Tridisaster (Saida Kazuaki)] Phichit Pants Operation (Vividred Operation) [English] [Tigoris Translates]
(C80) [Maniac Street (Sugaishi, Oono)] Momoiro Operation (To LOVE-Ru) [English] [redCoMet]
Yellow Box
[Asanoya (Kittsu)] Seishinhoukai Surumade Kusugurimakutte Ryoujoku Shitemiru Test VI -Tarushiri- (Vividred Operation) [Digital]
Ansel no Operator Care
Operation Fail [Japanese] - Arniro111
Momoiro Operation
(COMIC1☆7) [FESTA. (Yoshitani Motoka)] Jigen Engine no Himitsu (Vividred Operation)
[Department Y Research Institute] Bōkoku Ōji no matsuro
Operation Fail [English] - Arniro111
BOKO BOKO OPERATION 2 {Hennojin}
(C86) [Kaiten Sommelier (13.)] Shiritsu Risshin Gakuen Oshiri no Nama Onaho Sakusen. | Private Risshin Academy Operation "Living Anal Sleeve" (Shiritsu Risshin Gakuen ~Seishori Iin Soushuuhen~) [English] [biribiri]
Zecchou Kenkyuujo 2 | Orgasm Research Facility 2
[Noise] Chinko no Jiyuu Kenyuu | Dick Research Project (COMIC LO 2019-05) [English] [Doki Fansubs] [Digital]
Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research
[操作パネル] フィンネルをくんかくんかぺろぺろちゅっちゅするほん。(アルトネリコ3)
[Tecchan] Please, Onii-chan [English] [SaHa]
Fellatio Research Department Epilogue
(COMIC1☆7) [G-Power! (SASAYUKi)] No Title #03 (Vividred Operation) [English] [CGrascal]
[Zonda] Fellatio Kenkyuubu Ch. 2 | Blowjob Research Club Ch. 2 (COMIC Mugen Tensei 2021-07) [Chinese]【羅莎莉亞漢化】
[Eroliya (iuro)] Hiyake Daisakusen!! | Operation Suntan!! (iuro no Full Color Soushuuhen 1) [English] =Team Vanilla=
[Shimesaba (Isaki)] Saba 10: Inu to Neko
Shiri Waki Niku Odoru!
[Hisagoya (Momio)] BOKO BOKO OPERATION 2 (Girls und Panzer) [Digital]
Geki!! Monzetsu Operation
(C101) [Marosaan (Yunamaro)] Musashi-san no Yoru Jijou Shoubu Shitagi Daisakusen Hen | Musashi-san's Nightly Affair - Lucky Underwear Operation Chapter (Kantai Collection -KanColle-) [English] [DKKMD Translations]
[Auroramix (Shigekix)] Operation "Sendai" Abduction (Kantai Collection -KanColle-) [Digital]
Dance! Tentacle Research Institute
[Shinsekai Set (Hetaren)] Kurodate o Shiro ni Someru Seishoku Kenkyuu o (Blue Archive) | Sexual Gourmet Research: Dyeing Kurodate White [English] [Douzo Lad Translations]
(COMIC1☆7) [G-Power! (SASAYUKi)] No Title #03 (Vividred Operation) [English] [SMDC]
(SC2016 Autumn) [Hisagoya (Momio)] BOKO BOKO OPERATION 2 (Girls und Panzer) [English] {Hennojin}
Zettai ni Ikasetai Adult Goods Maker Kaihatsubu VS Zettai ni Ikanai Adult Goods Maker Eigyoubu | The Sales Rep Who Absolutely Won’t Come VS The Researcher Who Absolutely Wants to Make Her Come
(C72) [AXZ (Ryuuta)] Angel's Tail Operation 02 Onna Kyoushi no Seikyouiku Chou Sakusen
[Take] Operation Decoy
(Shoku no Kyouen 2) [Operating Room (Puchida)] Touka-chan ga Mezamenai!! (Tokyo Ghoul) [Chinese] [沒有漢化]
Bowsette's Research
[Agata] OneShota Volley Shigoki Heya de Mou Tokkun! | OneShota Volleyball Intense Training in the Training Room! (COMIC Shingeki 2015-06) [English] [Lazarus H]
[Department Y Research Institute] Gen'ō No Seidorei-Chan De Asobou!
Research of Barnaby Brooks Jr.
Love Operation
[Asanoya (Kittsu)] Seishinhoukai Surumade Kusugurimakutte Ryoujoku Shitemiru Test VI & VIII (Vividred Operation, Ore, Twintail ni Narimasu.) [Chinese] [Digital]
NORMAL OPERATION
Manga Research Triangle
[cloudair (Katsuto)] Alola Okozukai Daisakusen! - Alola-Style Operation to get Pocket Money Sugar Dating (Pokémon Sun and Moon) [Digital]
[Tempuru] Albedo & Sucrose's Isekai Observation Research Report
Operation Futanari
Kitaru Mirai no Himitsugoto
(C94) [AKKAN-Bi PROJECT (Yanagi Hirohiko)] OPERATION -V- (Gundam Build Divers)
Binyuchousain Ayako | Busty Researcher Ayako
Rakka no Alpha Ou | 硕果的α王 Ch. 1-3
Midnight Operator
[Kaname (Siina Yuuki)] Momotto Motto Operation (Vividred Operation) [Digital]
(C85) [JUNK STORY (Michairu)] Hearts (Vividred Operation) [English] [Yuri-ism]
[Umedama Nabu] Shin Operation Daisakusen TNG
[Sanbaizu] Oba-san no Toile o Shita kara Nozoku [English] [Brolen]
(C89) [Operating Room (Puchida)] Kitaru Mirai no Himitsugoto - Secret Events of the Coming Future (Tokyo Ghoul) [Sample]
(C86) [JUNK STORY (Michairu)] PIECES (Vividred Operation)
[LUNATIC PROPHET (Arimura Yuu)] Blue Memory, Green Fantasy. Ao no Tsuioku, Midori no Gensou (Vividred Operation) [Digital]
[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]
(C86) [Jenoa Cake (Takayaki)] Agano no Kozukuri Daisakusen | The Operation to Impregnate Agano (Kantai Collection -Kancolle-) [English] [PSYN]
[Uninigumi (Saji, Unini☆Seven)] Akane no Zenra Nakadashi Operation (Vividred Operation) [Digital]
[Asanoya (Kittsu)] Seishinhoukai Surumade Kusugurimakutte Ryoujoku Shitemiru Test VI -Tarushiri- (Vividred Operation) [Chinese] [Digital]
Byubyured Operation
[Shiranui Research Institute (Shiranui)] Shiranuhi Ninpo cho ichi-kan (King of Fighters, Street Fighter) [Digital]
Two Girl's Suck-Suck Research Note
[HYPER BRAND (Ishihara Masumi)] Operation RAGNAROK CUTIE CHASER (Ragnarok Online)
[Tokita Alumi] Kisei Jijitsu Daisakusen | Operation Obvious (Canopri Comic 2011-03) [English] [Delicious Oppai]
Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club