Operators Research Preview2

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

(COMIC1☆7) [Asatsuki Dou (Youta)] Isshiki Momo Ganbarimasu (Vividred Operation)

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

VPO VIVID PURPLE OPERATION

MS2 Operation 13

Momoiro Operation

[True RIDE (Shinjitsu)] Muratto Hip Operation (Vividred Operation) [English] [Na-Mi-Da]

Fellatio Kenkyuubu Blowjob Research Club Ch. 3

(C96) [Tamarun (Tamarun)] Abby Kenkyuu Bon | Abby Research Book (Fate/Grand Order) [English] [Team Chungus TL]

[Yoshitakashi Athletic (Yasaka)] Chrono Kid TSURUGI: Operation Tights

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

Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2

GUNPARADE MARCH ULTRASONIC ATTACK! FIRST OPERATION. LEVEL E

(C84) [real (As-Special)] HEAT (Vividred Operation) [English] [Yuri-ism]

(SC60) [Mukousharan (Chiyami)] Tentacle Operation (Vividred Operation)

(C87) [YOU2HP (YOU2)] AkaRei☆Operation (Vividred Operation) [Chinese] [师兄汉化]

(Tokyo Shock 2) [Operating Room (Puchida)] Honjitsu wa Heiten Itashimashita (Tokyo Ghoul) [Chinese] [沒有漢化]

(C90) [Tamago no Kara (Shiroo)] -Operation Summer Fold Booklet-

Yukemuri Kairaku Refresh Zenpen+Kouhen | 蒸汽快感大保健 前篇+后篇

(C85) [JUNK STORY (Michairu)] Hearts (Vividred Operation) [English] [Yuri-ism]

(COMIC1☆7) [FESTA. (Yoshitani Motoka)] Jigen Engine no Himitsu (Vividred Operation)

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

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

Fellatio Research Department Epilogue

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

(C89) [Operating Room (Puchida)] Kitaru Mirai no Himitsugoto - Secret Events of the Coming Future (Tokyo Ghoul) [English] [EHCOVE]

OPERATION γ

(C68) [Sumomo Dou (Sumomo EX)] Vivian Bessatsu. 27 Itsuwari no Kage Sinon Monzetsu Hen (Starship Operators)

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

Kitaru Mirai no Himitsugoto

(CR37) [Ashita wa Docchida! (Mikage Takashi)] Operation SR (School Rumble)

[Cheeseyeast (Naka)] Vacuum Ward -Vacuum Operation- (Touhou Project) [Chinese] [无毒汉化] [Digital]

(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]

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

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

Dance! Tentacle Research Center - Seedbed-hen

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

[Studio Nunchaku (Kome Tsubu)] Vividred Jikkenshitsu (Vividred Operation)

[Shiki Sachio] Back-bu

(COMIC1☆7) [Spec.C (Akeno Minato)] DokiDokiDocking! (Vividred Operation)

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

(C78) [Kanmidokoro USB (Furiri)] Operation BAYTOWN (Strike Witches)

Gochastar

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

Yellow Box

(C86) [Caramel Colors (Yamabuki Zarame)] 2230 Shitsumu Shitsu Kyoushuu Sakusen - 22:30 Admiral Office Assault Operation (Kantai Collection -KanColle-) [English] [desudesu]

(C84) [Genei Teito (Chouzetsu Yarou)] J・R・S (Vividred Operation)

Fellatio Research Department | Fellatio Kenkyuubu - Ch.01

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

Operation Fail [English] - Arniro111

Binyuchousain Ayako | Busty Researcher Ayako

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

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

Operation having childeren

Operator Ishou de Ichaicha

[Hroz] Succubus no Ningen Kenkyuu | Human Research by a Succubus [English] [thetsuuyaku + 4dawgz]

(COMIC1☆7) [Circle ARE (Cheru, Kasi)] BiBittored Operation (Love Live!) [English] [NEETouRyu Dojo]

Byubyured Operation

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

(Futaket 9) [Kirei na Oneesan (Yayoi Kirei)] Byubyured Operation (Vividred Operation)

(C89) [Operating Room (Puchida)] Kitaru Mirai no Himitsugoto - Secret Events of the Coming Future (Tokyo Ghoul) [Sample]

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

Twilight's Research | 暮光学习计划

(CR37) [HYPER BRAND (Ishihara Masumi)] Operation Ragnarok ~Kind Lady~ (Ragnarok Online)

[Minamida Usuke] Dokidoki Eizou-Kenkyuu-Bu | Steamy Cinema Studies and Research Club (COMIC HOTMILK 2017-01) [English] [Digital] [Incomplete]

(ComiComi17) [Hikari no Tomoshibi (Kousoku)] Shokushu to Doki Doki Operation!! (Vividred Operation)

Blue box(english}

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

(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]

[チーズ酵母] 真空病棟 ～vacuum operation～│ドロップブックス