Civil Engineering Operatio

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

[Uninigumi (Saji, Unini☆Seven)] Akane no Zenra Nakadashi Operation (Vividred Operation) [Digital]

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

[Rotary Engine (Kannazuki Motofumi)] Trapezohedron wa Kimi ni Kagayaku (Haiyore! Nyaruko-san) [English] {yuripe} [Digital]

[Korotsuke] Nekura Megane ♀ | The Creepy Glasses Girl [English] [Ongoing] {darknight}

Operation Anis

[Tokita Alumi] Kisei Jijitsu Daisakusen | Operation Obvious (Canopri Comic 2011-03) [English] [Delicious Oppai]

(C81) [TLE (Fujiyama Takashi)] Haru no Hana (Senran Kagura)

Bad End Simulation Vol. 4

Cos Mame

[Rotary Engine (Kannazuki Motofumi)] Cos Mame (Gochuumon wa Usagi desu ka?) [Digital]

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

Nekura Megane ♀

(C92) [Rotary Engine (Kannazuki Motofumi)] Satania VS Shokushuburo (Gabriel DropOut) [Chinese] [無邪気漢化組]

Nekura Megane ♀

[Kuronekotei (Chibinon*)] Love Operation (Angel Beats!) [Chinese] [脸肿汉化组] [Digital]

(C90) [Rotary Engine (Kannazuki Motofumi)] Chimahame Tanteidan Ochinchin Chousa Nisshi (Gochuumon wa Usagi desu ka?)

[HYPER BRAND (Ishihara Masumi)] Operation RAGNAROK CUTIE CHASER (Ragnarok Online)

Kagaku no Nyotaimori - Engineering of Raised Outlay | 科学的女体盛

(C80) [TLE (Fujiyama Takashi)] Ruki-pai Shinsatsu Nikki (Quiz Magic Academy)

[Boxphilia Engineers (Thomas TABAYASHI)] Idol no Boku ga Boxing Yatte mita Ken [Chinese] [不可视汉化]

[Mist Night] Operation Vore Comic (Vividred Operation)

(Reitaisai 9) [TLE (Fujiyama Takashi)] Aru Shingetsu no Yoru, Patchouli Knowledge wa Jukkaishita. (Touhou Project)

Sissy Secretary's Business Trip

(C69) [Amusement Engineering (Serizawa Houri)] Shougai Chuusei act-3 (Full Metal Panic!)

(Inudrill Lolita Engine) MILK (Summon Night 3)

Nekura Megane ♀

(C75) [最新引擎 (Fujiyama Takashi)] Sharon ojousama no ruki pai choukyou nisshi (Quiz Magic Academy)

(C83) [ULTRA Violet (Shigure Kyou)] Civil War (Macross 7)

DUAL:ENGINES

Nekura Megane ♀ no Hon

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

Aishou No Ii Futari

(C92) [Rotary Engine (Kannazuki Motofumi)] Satania VS Shokushu Furo (Gabriel DropOut)

Tsukiushi Ni

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

Uchinoyome

Soine Chuuiki Operation Tights

(Futaket 8) [Terikoya (Buri)] Operation Futanari (Street Fighter)

メスイキ王子

(COMIC1☆6) [TLE (Fujiyama Takashi)] MILKY IDOL (THE IDOLM@STER CINDERELLA GIRLS)

(C70) [Rotary Engine (Kannazuki Motofumi)] Mao Kiss. (KimiKiss)

Nogi Sonoko wa Kanojo de Aru

(C74) [The Latest Engine (Fujiyama Takashi)] Karen Chichi Kan (Code Geass)

NORMAL OPERATION

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

Toraware Rin-chan

Twitter post Head of Public Morals Committee

Nekura Megane ♀ | The Creepy Glasses Girl

Kunoyu Ichihatsume Otoko no Kanshoku

[The Latest Engine (Fujiyama Takashi)] Onna Toushi Kanzen Nyuujoku (Final Fantasy VII)

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

(SC31) [The Latest Engine (Fujiyama Takashi)] Iincho no Tsundere Daisakusen! (ToHeart2)

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

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

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

Veteran-Trainer to Jissen Training!!

Necrotech Engineering

Nekura Megane ♀ | The Creepy Glasses Girl