[Hiiro no Kenkyuushitsu (Hitoi)] Ochiba Nikki -Roshutsu Choukyou Hen- Omakebon
(C88) [datsuryoku kenkyuukai (Kanbayashi Takaki)] Ore no Shinyuu wa Nanika ga Okashii
[Imprison (Sasaki Yuuhei)] Shibo Sei Gakuen Fellatio-Bu
(C91) [JACK-POT (Jyura)] Fellatio Queen Reiko no Nichijou (Kochikame)
Dare no Shiwazaka Wakarimasu?
Jiyuukenkyuubu {NecroManCr}
Kenkyuu Koumoku_ Seishoku Koui
For Love ~Kasuga~ | Fellatio no Ehon Soushuuhen 2
Ochiba Nikki Another Page
(C88) [Choujikuu Yousai Kachuusha (Denki Shougun)] Girl-chan Kenkyuuchuu (Splatoon)
suzuchannofushigi
(Futaket 13) [Nanashimushi Land (Nanashimushi)] Onaho Kenkyuubu! 2 | 飞机杯研究部2 [Chinese] [黄记汉化组]
[Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Osananajimi to Sailor Fuku [English] [Digital]
(C73) [NAGANOON (Matumoto Drill Kenkyuujo)] Kono Sekai ni Kami wa inai (Gundam 00) [Digital]
(C96) [Kidoukan (Kidou Muichi)] Natsuyasumi Kids wa Kozukuri Kenkyuuchuu [English]
(C97) [Initiative (Fujoujoshi)] Ugai Tearai Fellatio desu (Fate/Grand Order)
Kawaii Onnanoko o Tsuru Houhou - Method to catch a pretty girl Ch. 3
Fuyuko ni Sukebe na Jidori o Okutte Kure to Tanomu Hon
[JON (Chupimaro)] Netto! Fellatio Koshien [Digital]
Vacuum Fellatio DOPEWWW! vol.2
NeuTRal Actor 3
[Hiiro no Kenkyuushitsu (Hitoi)] Ochiba Nikki [Chinese] [無邪気漢化組] [Digital]
Fellatio Anthology Kouin Ojoku
Foooolish!
(C55) [Jiyuu Shuppan Kenkyuusho , Karashi Mentaiko (various)] ONE ~Kagayaku Kisetsu he~ (ONE ~Kagayaku Kisetsu e~)
[Dokudenpa Kenkyuush] CVP (Various)
(C94) [SANDWORKS (Suna)] Mika Kenkyuussho (THE IDOLM@STER CINDERELLA GIRLS)
[Kuromahou Kenkyuujo (Nukaji)] Shinyuu wa Imouto no Kareshi [Digital]
(C91) [Neko wa Manma ga Utsukushii (Hisasi)] Erina-sama no Renai Kenkyuukai. 2 (Shokugeki no Soma)
(COMITIA121) [B5 Doumei (RaTe)] NDG Soushuuhen 1 01~04
[Kurage Kenkyuusho] Drug and Drop
Jiyuu Kenkyuu
Zecchou Kenkyusho 2
[Hroz] Succubus no Ningen Kenkyuu | Human Research by a Succubus [English] [thetsuuyaku + 4dawgz]
Ochiba Nikki Another Page2
(C92) [Minori Kenkyuujo (Minori Kenshirou)] Chiisana Puffy 1 | Little Puffies 1 [English] =LWB=
Nakano Yuka-chan to Shippori Muhuhu Suru Hon
[Kuromahou Kenkyuujo (Nukaji)] Chishou no Ko o Onaho ni Suru [Digital]
[Stapspats (Hisui)] Pokémon Kenkyuusha Sonia Kyousei Saimin Camp (Pokémon) [Digital]
N Zukan ~Fellatio Hen 2~
(Kouroumu 5) [Newtype Kenkyuujo (Kotowari)] Toramaru! (Touhou Project)
[hal] Dokuritsu Fuki (Daienjou -Ikare Ikasare Iki Ikare-) [English] [CGrascal]
Rica no Kenkyuushitsu ~Chiteki na Rikeijo no Seitai~ Ch. 1-7
Yuni Paisen no Kenkyuu
(C82) [Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Shikotama! [English]
Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2
(C80) [Matsumoto Drill Kenkyuujo] Aru Hi Dungeon kara Kaettara Guild ga Dream Nanchara ni Natteta de Gozaru (ToHeart2 Dungeon Travelers)
(C97) [Fujiyuu Kenkyuu (Akai Kagerou)] Fuyuko ni Sukebe na Jidori o Okutte Kure to Tanomu Hon (THE iDOLM@STER: Shiny Colors) [English] [obsoletezero]
(Futaket 12) [datsuryoku kenkyuukai (Kanbayashi Takaki)] Futanari Joshi to Gyaku Anal Gakkou Seikatsu
[Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Distance
(SHT2013 Haru) [Newtype Kenkyuujo (Kotowari)] Sayaka-san to Kyouko-san (Puella Magi Madoka Magica)
Brilliant Sweet | 브릴리언트·스위트
(C90) [Minori Kenkyuujo (Minori Kenshirou)] Minori Kenkyuujo Soushuuhen 2012~2015 | Minori Kenkyuujo Collection 2012~2015 [English] =LWB=
Masuda Kenkyuushitsu Gendai Pura-Kikagaku I
[Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Boku ga Shihai Suru Senpai [Chinese] [瑞树汉化组] [Digital]
(C56) [Raijinkai (Haruki GeNia)] Jintoku No Kenkyuu 8 [English]
[Kuromahou Kenkyuujo (Nukaji)] Kidoairaku (Touhou Project) [Digital]
COMIC Mugen Tensei 2017-05 [Digital]
Sassy-Sister Complex! 4.0
Erohon o Yondetara Kinjo no Onee-san ni Fellatio Sareta Hanashi
[SOUND MILK (Otochichi)] Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research (Mahou Tsukai Precure!) [English] [ATF] [Digital]
Shikkoku no Dekachin ni Netorareta Hitozuma 10nin no Fellatio Zukan&ShousaiKeii
[Takurou] Rika no Kenkyuushitsu | Rika's Laboratory Ch. 1-4 [English] [Crystalium]
Erina-sama no Renai Kenkyuukai. 2
Dr. Boruzebu no kenkyu nisshi katorin no bai
[Nyoninka Kenkyuujo (milda7)] Chijoku no Jouchaku Josou | 恥辱強制蒸着女装 [Chinese] [可乐个人汉化]
[1bit (yuyu)] Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I
[Chounyuu Kenkyuushitsu (Ishioto)] Zemuriya Report [English] {bewbs666} [Digital]
(C95) [Fujiyuu Kenkyuu (Akai Kagerou)] Mifune-san to Shugaha to Sannin de Suru Hon (THE IDOLM@STER CINDERELLA GIRLS)
[Matsumoto Drill Kenkyuujo] Akuochi | Fallen to the Dark Side (COMIC X-EROS #5) [English] {desudesu}
Natsuyasumi no jiyuukenkyu Riko choukyou 1 kaime
Fellatio Suarus VS Mahou Shoujo Zenpen
[Nyoninka Kenkyuujo (milda7)] Onna ni Sareta Yuusha Rya
Adult! Fushigi Kenkyuubu
Fellatio Kenkyuubu
(C83) [Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Aniki ni Urarete Hitobanjuu | My Brother Sold Me, So I Got Fucked All Night Long [English] =SW=
(COMIC1☆20) [Kakohimenoutuwa (Yuumazume)] Adult! Fushigi Kenkyuubu 4 (Atsumare! Fushigi Kenkyuubu)
(C70) [Matsumoto Drill Kenkyuujo (Naganoon)] Tamani wa nai no mo ii janai | How About Nai Once In A While? (Utawarerumono) [English] [EHT] [Decensored]