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(C67) [waterwheel (Shirota Dai)] Hesitates Operating System (OS-tan)

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

[Asanoya (Kittsu)] Seishinhoukai Surumade Kusugurimakutte Ryoujoku Shitemiru Test VI & VIII (Vividred Operation, Ore, Twintail ni Narimasu.) [Chinese] [Digital]

[Shinsekai Set (Hetaren)] Kurodate o Shiro ni Someru Seishoku Kenkyuu o (Blue Archive) | Sexual Gourmet Research: Dyeing Kurodate White [English] [Douzo Lad Translations]

[Asanoya (Kittsu)] Seishinhoukai Surumade Kusugurimakutte Ryoujoku Shitemiru Test VI -Tarushiri- (Vividred Operation) [Digital]

(C87) [YOU2HP (YOU2)] AkaRei☆Operation (Vividred Operation) [English] [Belldandy100] [Decensored]

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

[Mist Night] Operation Vore Comic (Vividred Operation)

[Kawai Shun] Odoru! Shokushu Kenkyuujo "Naedoko" Hen | Dance! Tentacle Research Center - Seedbed-hen [English] [solowing]

[John K Pe-ta] Geki!! Monzetsu Operation Plus

(SC61) [Sorairo March (Narusawa Sora)] Sono Gakusai, Inran Otokonoko Kyakuhiki Chuui! [English]

[Studio Nunchaku] Vividred Cums! (Vividred Operation)

Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club

Youkoso! BL Kenkyuu Club | Welcome to the Yaoi Research Club

Jiyuu Kenkyuu de Ochinchin o Shiraberaremashita | We Decided to Examine a Penis for Our Independent Research

[Asanoya (Kittsu)] Seishinhoukai Surumade Kusugurimakutte Ryoujoku Shitemiru Test VI -Tarushiri- (Vividred Operation) [Chinese] [Digital]

(C94) [Nekobakuchi (Uzukinoko)] NORMAL OPERATION (BLAZBLUE)

Syuen-tan Seiteki Hokaku Sakusen! | Operation Sexually Capturing Shuen!

[Agata] OneShota Volley Shigoki Heya de Mou Tokkun! | OneShota Volleyball Intense Training in the Training Room! (COMIC Shingeki 2015-06) [English] [Lazarus H]

Futanari Kenkyuu Dousoukai | Futanari Research Club

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

[Mist Night (Co_Ma)] Operation Vore Comic (Himawari) [English]

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

[Kuronekotei (Chibinon*)] Love Operation (Angel Beats!) [Digital]

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

Touka-chan ga Mezamenai!!

(COMIC1☆7) [Kaname (Siina Yuuki)] Motto Momotto Motto Operation (Vividred Operation)

[Libido (Omoutubo)] Zettai Ryouiki (Starship Operators)

[Hisagoya (Momio)] BOKO BOKO OPERATION 2 (Girls und Panzer) [Digital]

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

(Puniket 33) [KURUBUSI-KAI (Shinshin)] Dopyutto Pyutto Nama Lotion (Vividred Operation)

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

[Nightmare Express -Akumu no Takuhaibin-] Yokubou Kaiki Dai 510 Shō - Yobai Kan Manshon 01 Operēta Musume MAYA 24-Sai -

[LUNATIC PROPHET (Arimura Yuu)] Blue Memory, Green Fantasy. Ao no Tsuioku, Midori no Gensou (Vividred Operation) [Digital]

Operation having childeren

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

Honjitsu wa Heiten itashi mashita

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

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

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

[Gekkouya] Manman no Ki [Chinese] [月熙汉化组]

[sagejoh (sage joh)] Haruna no Ninshin Daisakusen | Haruna’s Operation: Creampie (Kantai Collection -KanColle-) [English] [2d-market.com] [Decensored] [Digital]

Research Fellow

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

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

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

(C83) [Titokara 2nd Branch (Manami Tatsuya)] Momoiro Operation (Vividred Operation)

(C84) [Rakkasei (Shinozaki Mizu)] Vivid-Green Ignition! (Vividred Operation)

Operation Fail [English] - Arniro111

Operation TTT

(C75) [Aruma Therapy (Arumaji Nebukuro)] Shiru Dark Operator (Gundam 00)

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

OPERATION -V-

(C68) [LiZ (Satomi Hinako)] Lovely Honey (Tsuki wa Higashi ni Hi wa Nishi ni ～Operation Sanctuary～)

(C68) [Bikkuri Byouten (Oikawa Hechima)] Fumio Nikki (Hani Hani ~Operation Sanctuary)

SUPER ROBOT OPERATION 01

Research Love Make Presentation | Research Lab x Expression

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

[Take] Operation Decoy

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

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

Operator Ishou de Ichaicha

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

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

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

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

Dance! Tentacle Research Institute

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

(COMIC1☆7) [Tokinochaya (Tokino)] Vividred Education (Vividred Operation)

[Mist Night (Arniro)] Hell Of Swallowed [Operation fail Rei]

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

[Touta] Sushokuware hime

Geki!! Monzetsu Operation

[Mother2] Kimaira Kenkyuu File - Chimera Research File [Chinese](Uncensored)

(COMIC1☆10) [Hisagoya (Momio)] BOKO BOKO OPERATION (Girls und Panzer) [Chinese] [贝尔西行寺X想抱雷妈汉化组]

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

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