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Operator Ishou de Ichaicha

[Nagasaki-inter (Sou Akiko)] Tanetsuke! Pyupyutto! Operation! (Vividred Operation) [Digital]

Gochastar

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

(SC58) [PIANIISHIMO (Pija)] Binbou Enkou Operation (Vividred Operation) [Chinese] [黑条汉化]

(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]

(C89) [Joukitei (Urase Shioji)] Nanyou no Vacances Sakusen | Vacation-Operation in the South Seas (Kantai Collection -KanColle-) [English] [desudesu]

Rakka no Alpha Ou | 硕果的α王 Ch. 1-3

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

(COMIC1☆7) [LOFLAT (Prime)] Mor-san Gohoushi Daisakusen | Morgiana's I-want-to-serve-you operation (Magi: The Labyrinth of Magic) [English] [EHCove]

Shiri Waki Niku Odoru!

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

[Tanmatsu Ijou (BadHanD)] Byakko no Mori Sono Hachi [English] {biribiri} [Digital]

(SC60) [Garou Kissa Hapido (Takeshita Kenjirou)] Renai Shoshinsha Mark (Vividred Operation)

[John K Pe-Ta] Geki!! Monzetsu Operation Plus | The Bitch and the Magnum [English] [_ragdoll]

[Department Y Research Institute] Gen'ō No Seidorei-Chan De Asobou!

[Horn/Wood] Ansel no Operator Care (Arknights)

Twilight's Research | 暮光学习计划

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

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

Escalate Chikan Gokko | Train Groper Escalation

Operation TTT

[Takahashi Itsumi] The Great Closet Operation (Yuri Hime Wildrose 3) [English]

(C83) [ARCH (Plum)] Midnight Operator (Kidou Senshi Gundam 00)

(C87) [YOU2HP (YOU2)] AkaRei☆Operation (Vividred Operation)

Geki!! Monzetsu Operation

Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club

Zecchou Kenkyuujo | Orgasm Research Facility

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

[Umedama Nabu (Tsurikichi Doumei)] Isshintou Daisakusen | First Degree of Kinship Strategy (Shin Operation Daisakusen TNG Chapter 6) [ENG] [Yoroshii]

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

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

(CT31) [Studio P.M.Y (Mikarin)] Operation having childeren (Azur Lane)

[Un-Go] Doctor Kazamori's Slightly Naughty Research 2 [English]

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

(COMIC1☆11) [Showa Saishuu Sensen (Hanauna)] Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record (Hyouka) [English] [Doujins.com]

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

[Spirit Trilobite] A Doujin From Quite Long Ago (Girl Friend (Beta)) [English] [Venatör]

[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)

(C86) [JUNK STORY (Michairu)] PIECES (Vividred Operation)

Yokubou Kaiki Dai 510 Shō - Yobai Kan Manshon 01 Operēta Musume MAYA 24-Sai -

Love Operation

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

(RAG-FES) [U-BULLET (Katamiki U-TOY)] Operation Geo (Cosmic Baton Girl Comet-san)

Reigou Sakusen Hatsudou! | Begin Operation Rei-go!

(C75) [Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho "Kessen Zenya" - Turupeta Research Report

[Hara Shigeyuki] Binyuchousain Ayako | Busty Researcher Ayako [English] {Tadanohito} [Digital]

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

[John K. Pe-ta] Geki!! Monzetsu Operation Plus [English] [Hentairules.net] [Decensored]

[Dosukoi Jinja (Nakamura Osawari Kun)] Vividhit Operation (Vividred Operation) [Digital]

Dance! Tentacle Research Center - Seedbed-hen

(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]

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

(C72) [AXZ (Ryuuta)] Angel's Tail Operation 02 Onna Kyoushi no Seikyouiku Chou Sakusen

(CT31) [Studio P.M.Y (Mikarin)] Operation having childeren (Azur Lane) [Chinese] [空気系☆漢化]

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

(C62) [Chimatsuriya Honpo (Various)] GUNPARADE MARCH ULTRASONIC ATTACK! FIRST OPERATION. LEVEL E (Gunparade March)

[Underwhite (broiler)] Kakei ga Kurushii (Vividred Operation) [Digital]

[True RIDE (Shinjitsu)] Muratto Hip Operation (Vividred Operation)

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

Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I

[Kawai Shun] Odoru! Shokushu Kenkyuujo | Dance! Tentacle Research Institute [English] [solowing]

[Mist Night (Co_Ma)] Operation Fail Comic 2

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

(C86) [tomatohouse905's room (Urabi)] Be United, Please!! Extra Operation ☆ (Arpeggio of Blue Steel, Kantai Collection -KanColle-) [English] {doujin-moe.us}

(C58) [RED RIBBON REVENGER (Various)] Elf's Ear Book 1 - Ao no Taikai ~Operation Ocean Blau~ (Star Ocean 2)

Pippintopinto Operation

(C87) [YOU2HP (YOU2)] Oh, the operation regulation of vivid red operation. [师兄汉化]

(Shoku no Kyouen 2) [Operating Room (Puchida)] Touka-chan ga Mezamenai!! (Tokyo Ghoul) [Chinese] [沒有漢化]

OPERATION -V-

Yellow Box

[August] Tsuki wa Higashi ni Hi wa Nishi ni ～ Operation Sanctuary ～ Visual Fan Book

[Slow Masturbation Research Society] "The seven fundamental operations" [ENG]

(C86) [tomatohouse905's room (Urabi)] Be United, Please!! Extra Operation ☆ (Arpeggio of Blue Steel, Kantai Collection -KanColle-)

(Shoku no Kyouen 2) [Operating Room (Puchida)] Touka-chan ga Mezamenai!! (Tokyo Ghoul) [English] [EHCOVE]

(C94) [AKKAN-Bi PROJECT (Yanagi Hirohiko)] OPERATION -V- (Gundam Build Divers)

[Attamaro. (Kotatsu.)] Vivid Yellow Pepe Lotion (Vividred Operation)) [Digital]

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

(SC2016 Autumn) [Hisagoya (Momio)] BOKO BOKO OPERATION 2 (Girls und Panzer) [English] {Hennojin}

[BruLee] Operation Anis (NIKKE: The Goddess of Victory) [English]

[NCP] I got the power of the God-class who I'm manipulating people for geeks! ~ Stop, operation, emotion control

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

“Operation TTT” -Muremure Tenryuu to H na Rashinban-

Zecchou Kenkyuujo 2 Orgasm Research Facility 2

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

OPERATION γ

[Studio Nunchaku] Vividred Cums! (Vividred Operation)

(C84) [Kacchuu Musume (Yukiyanagi)] Shingeki no Kenkyuu | Attack on Research (Shingeki no Megami) (Shingeki no Kyojin) [English] [CGRascal]

[Take] Operation Decoy

(COMIC1☆10) [Hisagoya (Momio)] BOKO BOKO OPERATION (Girls und Panzer) [English] {Hennojin}

[P tag] [Inazuma] Sanma no Hone Kyuushutsu Sakusen | [Inazuma] Pike Bone Rescue Operation (Kantai Collection -KanColle-) [English]