[Cheeseyeast (Naka)] Vacuum Ward -Vacuum Operation- [Digital]
(C74) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Kakyuu Sentou In no Isshou" - Turupeta Research Report
(COMIC1☆7) [Spec.C (Akeno Minato)] DokiDokiDocking! (Vividred Operation)
[Cheeseyeast (Naka)] Vacuum Ward -Vacuum Operation- (Touhou Project) [English] [TreePerception] [Digital]
(C94) [Nekobakuchi (Uzukinoko)] NORMAL OPERATION (BLAZBLUE)
[Zonda] Fellatio Kenkyuubu | Blowjob Research Club [English] [Uncensored] [head empty + RedLantern]
(Tokyo Shock 2) [Operating Room (Puchida)] Honjitsu wa Heiten Itashimashita (Tokyo Ghoul) [English] [Hao Scanlations]
Operation TTT
[MEKONGDELTA & DELTAFORCE (Route39, Zenki)] Operation TIGER!! (Fate/stay night)
(C83) [Titokara 2nd Branch (Manami Tatsuya)] Momoiro Operation (Vividred Operation)
NORMAL OPERATION
Honjitsu wa Heiten itashi mashita
(C67) [waterwheel (Shirota Dai)] Hesitates Operating System (OS-tan)
(C86) [tomatohouse905's room (Urabi)] Be United, Please!! Extra Operation ☆ (Arpeggio of Blue Steel, Kantai Collection -KanColle-) [Chinese] [空気系☆漢化]
[Cheeseyeast (Naka)] Vacuum Ward -Vacuum Operation- (Touhou Project) [Chinese] [无毒汉化] [Digital]
Vividark Opertion
(SC2016 Autumn) [Hisagoya (Momio)] BOKO BOKO OPERATION 2 (Girls und Panzer)
(C80) [Maniac Street (Sugaishi, Oono)] Momoiro Operation (To LOVE-Ru) [English][Decensored]
[Dokurosan] Eiken Lovers | Movie Research Lovers (COMIC Tenma 2009-05 Vol. 132) [English] [Brolen]
Geki!! Monzetsu Operation
(COMIC1☆7) [Star-Dreamer Tei (Staryume)] Happy ToGetHer 3 (Vividred Operation)
[AKKAN-Bi PROJECT (Yanagi Hirohiko)] OPERATION -V- (Gundam Build Divers) [Digital]
Undead Pappy | 吸血鬼爸比 Ch. 1
(C89) [Operating Room (Puchida)] Kitaru Mirai no Himitsugoto - Secret Events of the Coming Future (Tokyo Ghoul)
(COMIC1☆7) [G-Power! (SASAYUKi)] No Title #03 (Vividred Operation) [English] [CGrascal]
Zecchou Kenkyuujo | Orgasm Research Facility
[Umedama Nabu] Shin Operation Daisakusen TNG
[Matsurioka Hideyuki] Reken ~Shinsoku Raper Domo~ | Rape Researches
(COMIC1☆7) [Asatsuki Dou (Youta)] Isshiki Momo Ganbarimasu (Vividred Operation)
(C87) [YOU2HP (YOU2)] Oh, the operation regulation of vivid red operation. [师兄汉化]
Zecchou Kenkyuujo 2 | Orgasm Research Facility 2
(C87) [YOU2HP (YOU2)] AkaRei☆Operation (Vividred Operation) [English] [Belldandy100] [Decensored]
[HYPER BRAND (Ishihara Masumi)] Operation RAGNAROK CUTIE CHASER (Ragnarok Online)
Haruna no Ninshin Daisakusen | Haruna’s Operation: Creampie
Gochastar
(C89) [Operating Room (Puchida)] Kitaru Mirai no Himitsugoto - Secret Events of the Coming Future (Tokyo Ghoul) [Sample]
(C84) [real (As-Special)] HEAT (Vividred Operation) [English] [Yuri-ism]
[1bit (yuyu)] Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I [English]
[Shimesaba (Isaki)] Saba 10: Inu to Neko
(C66) [High-octane (Haioku)] tsuki wa azuma ni ha wa nishi ni (Tsuki wa Higashi ni Hi wa Nishi ni ~Operation Sanctuary~)
Research of Barnaby Brooks Jr.
[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]
[Agata] OneShota Volley Shigoki Heya de Mou Tokkun! | OneShota Volleyball Intense Training in the Training Room! (COMIC Shingeki 2015-06) [English] [Lazarus H]
Yuri-ken Beit Boshuuchuu Soushuuhen | Yuri's Lab Wants Research Assistants
(Tokyo Shock 2) [Operating Room (Puchida)] Honjitsu wa Heiten Itashimashita (Tokyo Ghoul) [Chinese] [沒有漢化]
[John K Pe-Ta] Geki!! Monzetsu Operation Plus | The Bitch and the Magnum [English] [_ragdoll]
(CT31) [Studio P.M.Y (Mikarin)] Operation having childeren (Azur Lane) [Chinese] [空気系☆漢化]
[Studio Nunchaku (Akihira)] Isshiki Akane - Nama Hame Gachi Tori Renzoku Shasei (Vividred Operation) [Digital]
[Takahashi Itsumi] The Great Closet Operation (Yuri Hime Wildrose 3) [English]
[Umedama Nabu] Operation Daisakusen DS9
[NCP] I got the power of the God-class who I'm manipulating people for geeks! ~ Stop, operation, emotion control
Nanyou no Vacances Sakusen | Vacation-Operation in the South Seas
[Red Axis] Vividark Opertion (Vividred Operation)
Girls und Panties - Initiating Operation FapFap!
OPERATION
Syuen-tan Seiteki Hokaku Sakusen! | Operation Sexually Capturing Shuen!
Hypnosis Operation ~ With My Hypnosis The Women Passing By Are An All-I-Can-Fuck Buffet ~
Operation having childeren
AkaRei☆Operation
(C95) [I.S.O.P. (Kamui Aya)] OPERATION γ (Azur Lane)
(C80) [Maniac Street (Sugaishi, Oono)] Momoiro Operation (To LOVE-Ru)
Dance! Tentacle Research Institute
[Tokita Alumi] Kisei Jijitsu Daisakusen | Operation Obvious (Canopri Comic 2011-03) [English] [Delicious Oppai]
[sagejoh (sage joh)] Haruna no Ninshin Daisakusen | Haruna’s Operation: Creampie (Kantai Collection -KanColle-) [English] [2d-market.com] [Decensored] [Digital]
(C71) [Chateau Dassault (S.SHIMIZU)] SUPER ROBOT OPERATION 01 (Super Robot Taisen)
BodyBox
Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I
(C84) [Negapoji-Bu (Yuuki Shin, Booch)] America San Gyuuniku-chan 54000 Gram
[True RIDE (Shinjitsu)] Muratto Hip Operation (Vividred Operation) [English] [Na-Mi-Da]
[John K Pe-ta] Awakened Girl The First | Geki!! Monzetsu Operation Plus Bonus Chapter [English]
Operation Kemonomimi Maids All Together!
(CR37) [Ashita wa Docchida! (Mikage Takashi)] Operation SR (School Rumble)
[BruLee] Operation Anis (NIKKE: The Goddess of Victory) [English]
[Kameneji] Himawari-chan ga Kodane o Saishu (Vividred Operation) [Digital]
(C87) [YOU2HP (YOU2)] AkaRei☆Operation (Vividred Operation)
Pike Bone Rescue Operation
[True RIDE (Shinjitsu)] Muratto Hip Operation (Vividred Operation)
[Tempuru] Albedo & Sucrose's Isekai Observation Research Report
Fellatio Kenkyuubu Blowjob Research Club Ch. 3
[cloudair (Katsuto)] Alola Okozukai Daisakusen! - Alola-Style Operation to get Pocket Money Sugar Dating (Pokémon Sun and Moon) [Digital]
(Tokyo Shock 2) [Operating Room (Puchida)] Honjitsu wa Heiten Itashimashita (Tokyo Ghoul) [English] [EHCOVE]
[Studio Nunchaku (Kome Tsubu)] Vividred Jikkenshitsu (Vividred Operation) [Digital]
Fellatio Research Department Epilogue
[チーズ酵母] 真空病棟 ~vacuum operation~│ドロップブックス
(C84) [Tridisaster (Saida Kazuaki)] Phichit Pants Operation (Vividred Operation)
(SC2016 Autumn) [Hisagoya (Momio)] BOKO BOKO OPERATION 2 (Girls und Panzer) [English] {Hennojin}
[廢人生活(Rai)] HOLOX Himitsu Kessha Keiei no Susume 01 | How to operate Secret Society H○LOX-01 (Laplus Darknesss) [English] [Digital]
[Haruta] Youkoso! BL Kenkyuu Club | Welcome to the Yaoi Research Club 2-in-1 Bonus Chapter [English] [Digital]
Operation Anis
[Noise] Chinko no Jiyuu Kenyuu | Dick Research Project (COMIC LO 2019-05) [English] [Doki Fansubs] [Digital]
(C74) [POC {Provisional Operations Command}(Hans)] Shokuou [English][Rabbit Reich]
Jiyuu Kenkyuu de Ochinchin o Shiraberaremashita | We Decided to Examine a Penis for Our Independent Research
(C64) [Chimatsuriya Honpo (Arashiyama Tsugumoto, Asanagi Aoi)] LEVEL E Plus Gunparade March Ultrasonic Second Operation (Gunparade March)
[Kawai Shun] Dance! Tentacle Research Institute [English]
[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]
Youkoso! BL Kenkyuu Club | Welcome to the Yaoi Research Club
BOKO BOKO OPERATION 2 {Hennojin}
[Studio Nunchaku (Kome Tsubu)] Vividred Jikkenshitsu (Vividred Operation)
(C103) [cloudair (Katsuto)] Alola Okozukai Daisakusen! - Alola-Style Operation to get Pocket Money Sugar Dating (Pokémon Sun and Moon)
[Mist Night] Operation Vore Comic (Vividred Operation)
Blue box(english}
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]
(C78) [Yo wa Okazu wo Shomou Shiteoru (Shian)] Onna Kenkyuuin no Ijou na Aijou | A Female Researcher's Abnormal Desire [English] =LWB=
(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]