Fellatio Research Department Epilogue
[August] Tsuki wa Higashi ni Hi wa Nishi ni ~ Operation Sanctuary ~ Visual Fan Book
(C84) [Tridisaster (Saida Kazuaki)] Phichit Pants Operation (Vividred Operation)
[Zonda] Fellatio Kenkyuubu - Fellatio Research Department | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [CrinkzScans] [Digital]
Idol Force Operation - Gaiden
[Asanoya (Kittsu)] Seishinhoukai Surumade Kusugurimakutte Ryoujoku Shitemiru Test VI -Tarushiri- (Vividred Operation) [Chinese] [Digital]
Syuen-tan Seiteki Hokaku Sakusen! | Operation Sexually Capturing Shuen!
[Slow Masturbation Research Society] "The seven fundamental operations" [ENG]
(C89) [Operating Room (Puchida)] Kitaru Mirai no Himitsugoto - Secret Events of the Coming Future (Tokyo Ghoul) [English] [EHCOVE]
[Asanoya (Kittsu)] Seishinhoukai Surumade Kusugurimakutte Ryoujoku Shitemiru Test VI & VIII (Vividred Operation, Ore, Twintail ni Narimasu.) [Chinese] [Digital]
[Mother2] Kimaira Kenkyuu File - Chimera Research File [Chinese](Uncensored)
(C77) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Shin Hissatsu Waza no Kyoufu " - Turupeta Research Report
(C77) [Operation Panel (Magiko)] Extra Turn (Shin Megami Tensei: Devil Survivor)
[Shiranui Research Institute (Shiranui)] Shiranuhi Ninpo cho ichi-kan (King of Fighters, Street Fighter) [Digital]
[BruLee] Operation Anis (NIKKE: The Goddess of Victory) [English]
Fellatio Kenkyuubu - Fellatio Research Department
[Nagasaki-inter (Sou Akiko)] Tanetsuke! Pyupyutto! Operation! (Vividred Operation) [Digital]
Kitaru Mirai no Himitsugoto
(COMIC1☆7) [K-Drive (Narutaki Shin)] VIVID・MIX (Vividred Operation)
[Noise] Chinko no Jiyuu Kenyuu | Dick Research Project (COMIC LO 2019-05) [English] [Doki Fansubs] [Digital]
[Zonda] Fellatio Kenkyuubu | Blowjob Research Club [English] [Uncensored] [head empty + RedLantern]
(C89) [Operating Room (Puchida)] Kitaru Mirai no Himitsugoto - Secret Events of the Coming Future (Tokyo Ghoul) [Sample]
(C83) [ARCH (Plum)] Midnight Operator (Kidou Senshi Gundam 00)
[Cheeseyeast (Naka)] Vacuum Ward -Vacuum Operation- (Touhou Project) [Chinese] [无毒汉化] [Digital]
Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2
(C84) [Kacchuu Musume (Yukiyanagi)] Shingeki no Kenkyuu | Attack on Research (Shingeki no Megami) (Shingeki no Kyojin) [English] [CGRascal]
[Tokita Alumi] Kisei Jijitsu Daisakusen | Operation Obvious (Canopri Comic 2011-03) [English] [Delicious Oppai]
Girls und Panties - Initiating Operation FapFap!
[Sekai Kakumei Club (Ozawa Reido)] Shiri-Waki-Niku Odoru! (Vividred Operation)
Operation Daisakusen
(C90) [Tamago no Kara (Shiroo)] -Operation Summer Fold Booklet-
(C87) [YOU2HP (YOU2)] AkaRei☆Operation (Vividred Operation) [Chinese] [师兄汉化]
[John K. Pe-ta] Geki!! Monzetsu Operation [English] [TCup] [Decensored]
[Ryuuga Sin] Tonari no AV Tsuma (COMIC MUJIN 2013-03) [English] [Sandwhale]
(C68) [Bikkuri Byouten (Oikawa Hechima)] Fumio Nikki (Hani Hani ~Operation Sanctuary)
(Shoku no Kyouen 2) [Operating Room (Puchida)] Touka-chan ga Mezamenai!! (Tokyo Ghoul) [Chinese] [沒有漢化]
[チーズ酵母] 真空病棟 ~vacuum operation~│ドロップブックス
[Ogawa Kanran] Yoi Kono Jiyuu Kenkyuu | Independent Research Time [English] [Jojo]
[Eichi Jijou (Takamiya)] Seishun Radio Station!! One-Open Buchou no Mugi-kun to Shinnyuu Buin no Kannai-kun | Youth Radio Station!! Oneman-operation manager Mugi-kun and new member Kannai-kun [English]
Undead Pappy | 吸血鬼爸比 Ch. 1
[OperatingRoom (Puchida)] トーカちゃんが目覚めない!!(Tokyo Ghoul)sample
(C93) [Dodoitsu. (Panco.)] Research Love Make Presentation | Research Lab x Expression (Motto! Hinekure Chaser 3) [English] [Pink Cherry Blossom Scans]
(ComiComi17) [Hikari no Tomoshibi (Kousoku)] Shokushu to Doki Doki Operation!! (Vividred Operation)
[Mist Night (Co_Ma)] Doodles Comics 1-4
[Shiki Sachio] Back-bu
Nyan Nyan Operation
[Cheeseyeast (Naka)] Vacuum Ward -Vacuum Operation- [Digital]
(COMIC1☆7) [Circle ARE (Cheru, Kasi)] BiBittored Operation (Love Live!) [English] [NEETouRyu Dojo]
[Mist Night (Co_Ma)] Operation Vore Comic (Himawari) [English]
Byubyured Operation
Yuri-ken Beit Boshuuchuu Soushuuhen | Yuri's Lab Wants Research Assistants
[Studio Nunchaku (Kome Tsubu)] Vividred Jikkenshitsu (Vividred Operation)
[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]