[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]
Momoiro Operation
(C84) [Negapoji-Bu (Yuuki Shin, Booch)] America San Gyuuniku-chan 54000 Gram
final round
(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]
(CR37) [Ashita wa Docchida! (Mikage Takashi)] Operation SR (School Rumble)
Love Operation
[Studio Nunchaku (Kome Tsubu)] Vividred Jikkenshitsu (Vividred Operation) [Digital]
[Kaname (Siina Yuuki)] Momotto Motto Operation (Vividred Operation) [Digital]
(SC58) [PIANIISHIMO (Pija)] Binbou Enkou Operation (Vividred Operation)
Zecchou Kenkyuujo 2 | Orgasm Research Facility 2
Two Girl's Suck-Suck Research Note
(COMIC1☆7) [K-Drive (Narutaki Shin)] VIVID・MIX (Vividred Operation)
[John K. Pe-ta] Geki!! Monzetsu Operation
(SC36) [AXZ (Ryuuta)] Angel's Tail Operation Iinchou no Ninshin Daisakusen
Operator Ishou de Ichaicha
[LUNATIC PROPHET (Arimura Yuu)] Blue Memory, Green Fantasy. Ao no Tsuioku, Midori no Gensou (Vividred Operation) [Digital]
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
(C63) [MUSASABIDO (Bakuchin)] Research of a maid
[Cheeseyeast (Naka)] Vacuum Ward -Vacuum Operation- (Touhou Project) [English] [TreePerception] [Digital]
[Mist Night (Co_Ma)] Operation Vore Comic (Himawari) [English]
Fellatio Kenkyuubu Blowjob Research Club Ch. 3
[Dosukoi Jinja (Nakamura Osawari Kun)] Vividhit Operation (Vividred Operation) [Digital]
Dance! Tentacle Research Institute
Operation having childeren
Honjitsu wa Heiten Itashimashita
(C89) [Joukitei (Urase Shioji)] Nanyou no Vacances Sakusen | Vacation-Operation in the South Seas (Kantai Collection -KanColle-) [English] [desudesu]
Research Fellow
Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research
[Asanoya (Kittsu)] Seishinhoukai Surumade Kusugurimakutte Ryoujoku Shitemiru Test VI & VIII (Vividred Operation, Ore, Twintail ni Narimasu.) [Chinese] [Digital]
(C58) [RED RIBBON REVENGER (Various)] Elf's Ear Book 1 - Ao no Taikai ~Operation Ocean Blau~ (Star Ocean 2)
[Department Y Research Institute] Rorisakyubasu Wa Ningen Ni Tsukamaruto Dō Naru No?
[Matsurioka Hideyuki] Reken ~Shinsoku Raper Domo~ | Rape Researches
Operation Daisakusen
OPERATION -V-
[Otsumami] A Story About An Operator Who Gets A Naughty High-Paying Part-Time Job (Arknights) [English]
Operation Futanari
[Studio Nunchaku] Vividred Cums! (Vividred Operation)
(C96) [Tamarun (Tamarun)] Abby Kenkyuu Bon | Abby Research Book (Fate/Grand Order) [English] [Team Chungus TL]
[Special Week (Fujishiro Seiki)] Enkou Operation (Vividred Operation)
Fellatio Kenkyuubu - Fellatio Research Department
Research Love Make Presentation | Research Lab x Expression
Operation Obvious
(C82) [nightstalker (Hir)] Change The Operation (Dungeon Fighter Online)
[Mist Night (Arniro)] Hell Of Swallowed [Operation fail Rei] [English]
(COMIC1☆10) [Hisagoya (Momio)] BOKO BOKO OPERATION (Girls und Panzer) [Chinese] [贝尔西行寺X想抱雷妈汉化组]
(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]
[Tokita Alumi] Kisei Jijitsu Daisakusen | Operation Obvious (Canopri Comic 2011-03) [English] [Delicious Oppai]
[Yoshitakashi Athletic (Yasaka)] Chrono Kid TSURUGI: Operation Tights
J47 A Sakusen Yokou Enshuu
[Department Y Research Institute] Bōkoku ōjo no matsuro
[Hisagoya (Momio)] BOKO BOKO OPERATION 2 (Girls und Panzer) [Digital]
(COMIC1☆10) [Hisagoya (Momio)] BOKO BOKO OPERATION (Girls und Panzer) [English] {Hennojin}
[Dokurosan] Eiken Lovers | Movie Research Lovers (COMIC Tenma 2009-05 Vol. 132) [English] [Brolen]
[Kawai Shun] Odoru! Shokushu Kenkyuujo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [Chinese]
[Umedama Nabu] Yume no Michikusa Daisakusen | Operation Detour From A Dream (Operation Daisakusen DS9) [English] =EMAJO=
Nanyou no Vacances Sakusen | Vacation-Operation in the South Seas
(C78) [Kanmidokoro USB (Furiri)] Operation BAYTOWN (Strike Witches)
(CT31) [Studio P.M.Y (Mikarin)] Operation having childeren (Azur Lane)
(Futaket 9) [Kirei na Oneesan (Yayoi Kirei)] Byubyured Operation (Vividred Operation)
Kitaru Mirai no Himitsugoto
Haruna no Ninshin Daisakusen | Haruna’s Operation: Creampie
[True RIDE (Shinjitsu)] Muratto Hip Operation (Vividred Operation)
[Zonda] Fellatio Kenkyuubu | Blowjob Research Club [English] [Uncensored] [head empty + RedLantern]
[Shiranui Research Institute (Shiranui)] Shiranuhi Ninpo cho ichi-kan (King of Fighters, Street Fighter) [Digital]
(C77) [Operation Panel (Magiko)] Extra Turn (Shin Megami Tensei: Devil Survivor)
Operation Fail [Japanese] - Arniro111
(COMIC1☆7) [Aerodog (inu)] Aru Hi no Isshiki Shimai (Vividred Operation)
(C90) [Omocha Kaden (Beni Bana)] Himawari ni Tane (Vividred Operation)
(C80) [Maniac Street (Sugaishi, Oono)] Momoiro Operation (To LOVE-Ru) [English]
The Operation to Impregnate Agano
Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2
(Shoku no Kyouen 2) [Operating Room (Puchida)] Touka-chan ga Mezamenai!! (Tokyo Ghoul)
(Tokyo Shock 2) [Operating Room (Puchida)] Honjitsu wa Heiten Itashimashita (Tokyo Ghoul) [English] [Hao Scanlations]
[Takahashi Itsumi] The Great Closet Operation (Yuri Hime Wildrose 3) [English]
(C94) [operatioN (N)] I copy. (Kantai Collection -KanColle-)
OPERATION "SENDAI" ABDUCTION
JS Kenkyuukai | JS Research Seminar
[Libido (Omoutubo)] Zettai Ryouiki (Starship Operators)
Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I
OPERATION γ
[Kinku] Jiyuukenkyuu Bitch Report | Research Project: Bitch Report! (COMIC LO 2013-09) [English]
[AKKAN-Bi PROJECT (Yanagi Hirohiko)] OPERATION -V- (Gundam Build Divers) [Digital]
(C74) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Kakyuu Sentou In no Isshou" - Turupeta Research Report
(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]
(C80) [Maniac Street (Sugaishi, Oono)] Momoiro Operation (To LOVE-Ru)
(Tokyo Shock 2) [Operating Room (Puchida)] Honjitsu wa Heiten Itashimashita (Tokyo Ghoul) [Chinese] [沒有漢化]
(C86) [Caramel Colors (Yamabuki Zarame)] 2230 Shitsumu Shitsu Kyoushuu Sakusen - 22:30 Admiral Office Assault Operation (Kantai Collection -KanColle-) [English] [desudesu]
(ComiComi17) [Hikari no Tomoshibi (Kousoku)] Shokushu to Doki Doki Operation!! (Vividred Operation)
(C74) [POC {Provisional Operations Command}(Hans)] Shokuou [English][Rabbit Reich]
(C86) [tomatohouse905's room (Urabi)] Be United, Please!! Extra Operation ☆ (Arpeggio of Blue Steel, Kantai Collection -KanColle-) [English] {doujin-moe.us}
(HaruCC18) [DSB Style (Azuse)] Yobai x Rankou Operation (Vividred Operation)
(C84) [Rakkasei (Shinozaki Mizu)] Vivid-Green Ignition! (Vividred Operation)
[Tempuru] Albedo & Sucrose's Isekai Observation Research Report
[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)
(C89) [Operating Room (Puchida)] Kitaru Mirai no Himitsugoto - Secret Events of the Coming Future (Tokyo Ghoul) [Sample]
Fellatio Kenkyuubu | Blowjob Research Club Ch. 2
(COMIC1☆7) [Asatsuki Dou (Youta)] Isshiki Momo Ganbarimasu (Vividred Operation)
operation futanari
Attack on Research
(COMIC1☆7) [Spec.C (Akeno Minato)] DokiDokiDocking! (Vividred Operation)
(CT31) [Studio P.M.Y (Mikarin)] Operation having childeren (Azur Lane) [English] [Unforgotten]
Shiri Waki Niku Odoru!
(C94) [AKKAN-Bi PROJECT (Yanagi Hirohiko)] OPERATION -V- (Gundam Build Divers)
Pippintopinto Operation
(C68) [Bikkuri Byouten (Oikawa Hechima)] Fumio Nikki (Hani Hani ~Operation Sanctuary)
“Operation TTT” -Muremure Tenryuu to H na Rashinban-
[Mitsui Jun] OPERATION L-L-P | Operation Love Love Picnic (Shounen Ai No Bigaku 16 The Bokura no Ensoku) [English] [SG2]
(C90) [Tamago no Kara (Shiroo)] -Operation Summer Fold Booklet-
Operator TS Akuochi Keikaku
(SC58) [PIANIISHIMO (Pija)] Binbou Enkou Operation (Vividred Operation) [English]
[Shinsekai Set (Hetaren)] Kurodate o Shiro ni Someru Seishoku Kenkyuu o (Blue Archive) | Sexual Gourmet Research: Dyeing Kurodate White [English] [Douzo Lad Translations]
[HYPER BRAND (Ishihara Masumi)] Operation RAGNAROK CUTIE CHASER (Ragnarok Online)
(C71) [Chateau Dassault (S.SHIMIZU)] SUPER ROBOT OPERATION 01 (Super Robot Taisen)
[Arai Kei] Yugame | Distorted Love (Comic Megastore 2013-02) [English] [desudesu]
(COMIC1☆11) [Showa Saishuu Sensen (Hanauna)] Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record (Hyouka) [English] [Doujins.com]
[John K. Pe-ta] Geki!! Monzetsu Operation [English] [TCup] [Decensored]
[PASTEL WING (Kisaragi-MIC)] Hanihani Scrumble 2 -BLUE MAX- (School Rumble/Tsuki wa Higashi ni Hi wa Nishi ni ~Operation Sanctuary~)
[Ogawa Kanran] Yoi Kono Jiyuu Kenkyuu | Independent Research Time [English] [Jojo]
(C78) [Yo wa Okazu wo Shomou Shiteoru (Shian)] Onna Kenkyuuin no Ijou na Aijou | A Female Researcher's Abnormal Desire [English] =LWB=
(C90) [Tamago no Kara (Shiroo)] -Operation Summer Fold Booklet- [English] [B.E.C. Scans]
MS2 Operation 13
(COMIC1☆7) [LOFLAT (Prime)] Mor-san Gohoushi Daisakusen | Morgiana's I-want-to-serve-you operation (Magi: The Labyrinth of Magic) [English] [EHCove]
[Umedama Nabu] Operation Daisakusen DS9
(C64) [Chimatsuriya Honpo (Arashiyama Tsugumoto, Asanagi Aoi)] LEVEL E Plus Gunparade March Ultrasonic Second Operation (Gunparade March)
(C78) [Draw Go (Souichi)] Tokumei Research 1999 ~ Maya-chan Shinsou Kaimei File ~ (Occult Academy)
Insect Research Institute 2
[Cheeseyeast (Naka)] Vacuum Ward -Vacuum Operation- [Digital]