(COMIC1☆11) [Showa Saishuu Sensen (Hanauna)] Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record (Hyouka) [English] [Doujins.com]
(C78) [Kanmidokoro USB (Furiri)] Operation BAYTOWN (Strike Witches)
Operation Kemonomimi Maids All Together!
Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3
[SOUND MILK (Otochichi)] Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research (Mahou Tsukai Precure!) [English] [ATF] [Digital]
(C82) [nightstalker (Hir)] Change The Operation (Dungeon Fighter Online)
Binyuchousain Ayako | Busty Researcher Ayako
[Hara Shigeyuki] Binyuchousain Ayako | Busty Researcher Ayako [English] {Tadanohito} [Digital]
[Tikisou Takeda] Nyan Nyan Dai Sakusen | Nyan Nyan Operation (Canopri Comic 2012-11 Vol.25) [English] {DesuDesu} [Digital]
[Otsumami] A Story About An Operator Who Gets A Naughty High-Paying Part-Time Job (Arknights) [English]
[Hisagoya (Momio)] BOKO BOKO OPERATION (Girls und Panzer) [Digital]
[Tanmatsu Ijou (BadHanD)] Byakko no Mori Sono Hachi [English] {biribiri} [Digital]
Gochastar
(SC58) [PIANIISHIMO (Pija)] Binbou Enkou Operation (Vividred Operation) [Chinese] [黑条汉化]
Ela no Sakusen Kiroku | Ela's Operation Log
Touka-chan ga Mezamenai!!
Research Fellow
(C80) [Maniac Street (Sugaishi, Oono)] Momoiro Operation (To LOVE-Ru) [English] [redCoMet]
[Kuronekotei (Chibinon*)] Love Operation (Angel Beats!) [Digital]
[Take] Operation Decoy
Zecchou Kenkyuujo | Orgasm Research Facility
(Tokyo Shock 2) [Operating Room (Puchida)] Honjitsu wa Heiten Itashimashita (Tokyo Ghoul)
[HYPER BRAND (Ishihara Masumi)] Operation RAGNAROK CUTIE CHASER (Ragnarok Online)
(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]
(C62) [Chimatsuriya Honpo (Various)] GUNPARADE MARCH ULTRASONIC ATTACK! FIRST OPERATION. LEVEL E (Gunparade March)
I got the power of the God-class who I'm manipulating people for geeks! ~ Stop, operation, emotion control
(CR37) [HYPER BRAND (Ishihara Masumi)] Operation Ragnarok ~Kind Lady~ (Ragnarok Online)
(C86) [JUNK STORY (Michairu)] PIECES (Vividred Operation) [English] =LWB=
[Underwhite (broiler)] Kakei ga Kurushii (Vividred Operation) [Digital]
(COMIC1☆9) [Detox-Girls (Akai Hoya)] ALDNOAH.ERO (Aldnoah.Zero, Vividred Operation)
H○LOX Himitsu Kessha Keiei no Susume 01 | How to operate Secret Society H○LOX-01
Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research
(C89) [Joukitei (Urase Shioji)] Nanyou no Vacances Sakusen | Vacation-Operation in the South Seas (Kantai Collection -KanColle-) [English] [desudesu]
Dance! Tentacle Research Institute
(SC58) [PIANIISHIMO (Pija)] Binbou Enkou Operation (Vividred Operation) [English]
Titokara 2nd Branch Soushuuhen 2012-2015
[Umedama Nabu] Operation Daisakusen
(C80) [Maniac Street (Sugaishi, Oono)] Momoiro Operation (To LOVE-Ru) [English]
Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I
[Matsurioka Hideyuki] Reken ~Shinsoku Raper Domo~ | Rape Researches
Dance! Tentacle Research Center - Seedbed-hen
BOKO BOKO OPERATION
Operation Obvious
(SC2016 Autumn) [Hisagoya (Momio)] BOKO BOKO OPERATION 2 (Girls und Panzer)
(C94) [Nekobakuchi (Uzukinoko)] NORMAL OPERATION (BLAZBLUE)
Operation Vore Comic
[Kinku] Jiyuukenkyuu Bitch Report | Research Project: Bitch Report! (COMIC LO 2013-09) [English]
(COMIC1☆7) [FESTA. (Yoshitani Motoka)] Jigen Engine no Himitsu (Vividred Operation)
(COMIC1☆9) [Detox-Girls (Akai Hoya)] ALDNOAH.ERO (Aldnoah.Zero, Vividred Operation) [English] [CGrascal]
[Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho 005 "Dengeki Jigoku" - Turupeta Research Report
[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]
(C84) [Genei Teito (Chouzetsu Yarou)] J・R・S (Vividred Operation)
[NCP] I got the power of the God-class who I'm manipulating people for geeks! ~ Stop, operation, emotion control