[Caramel Dow] Inshoku
(COMIC1☆11) [Showa Saishuu Sensen (Hanauna)] Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record (Hyouka) [English] [Doujins.com]
[Anthology] Futanarikko LOVE 2
(C95) [Syunkan Saidaihusoku (Pony R)] Kyonyuu Seijo ga Noukou na Shitawaza de Kurikaeshi Nuite Kureta Ato ni Honban Sasete Kureru Fellatio Fuuzoku (Fate/Grand Order)
Chotto Koime no CG Shuu Futanarian!
Twilight's Research | 暮光学习计划
Fellatio Research Department | Fellatio Kenkyuubu - Ch.01
[Orimoto Mimana] Futachu [English]
[Kobayashi Shounen] Kairaku Izonshou
Futanari Joshi Shin'nyuu Shain Kenshuu
[Anthology] Futanarikko no Sekai 2
Two Girl's Suck-Suck Research Note
[Kouzu Shoukai (CAW=ZOO)] Futanari Robin VS Onna Kyojin Kaihei (One Piece) [Digital]
Glamarous
Doko ni Demo iru Goku Futsuu-souna Joshi
Sorceress no Natsu, Amazon no Natsu.
[Redbell (Akazawa Fuyuki)] Shinyuu no Ana de Shasei Shitagaru Onna-tachi (THE IDOLM@STER) [Digital]
Fetish Mansion
[Kouzu Shoukai (CAW=ZOO)] Futanari Robin VS Onna Kyojin Kaihei (One Piece)
(C51) [Escargot Club (Juubaori Mashumaro)] Kichijou Shoujo (Sakura Taisen)
[Rinji Party (Various)] Futanari Goudou Touhou Ochinpic (Touhou Project) [Digital]
(C91) [Jam Kingdom (Jam Ouji)] MiraRiko x MayuKana (Mahou Tsukai Precure!)
(C80) [OZONE (Marumiya)] Sorceress no Natsu, Amazon no Natsu. | Summer of Sorceress, Summer of Amazon (Dragon's Crown) [English] [thetsuuyaku]
(SC19) [Behind Moon (Q)] Dulce Report 3 [English] (Decensored)
(C93) [Abarenbow Tengu (Izumi Yuujiro)] Kotori 15 (Fate/stay night) [Chinese] [盲鸡汉化组]
Futanari Shoujo no Shasei Nikki 5
Niyotaika Ryoujoku Kensa
[Kawai Shun] Odoru! Shokushu Kenkyuujo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [Chinese]
(Futaket 8) [OZONE (Marumiya)] K2 Style [English] {doujin-moe.us}
Adult Goods Tanchiki ~Machi no Inran Onna o Research Seyo~
Joushiki Henkan Appli ~ Namaiki na Imouto ni Shikou wo Kakikaete Juujun Fellatio Houshi Sasete Mita
[L.P.E.G. (Marneko)] Asa Onna na Ore to Futanarikko Ojousama 3 LIVE A LIVE [Digital]
Buta Haru ~ Strip Futanari Fighter ~
(C71) [ashitakara-ganbaru (Yameta Takashi)] 00 (Zero no Tsukaima)
[Ogawa Kanran] Yoi Kono Jiyuu Kenkyuu | Independent Research Time [English] [Jojo]
[Sannyuutei Shinta] Chinpotsuki Ijimerarekko | «Dickgirl!», The Bullying Story - Ch. 10-15 [English] [Cid's Premium] [Digital]
(C81) [NAMANECOTEI (chan shin han) FUTANARI MOON BITCH☆ (Sailor Moon)
(C92) [Tetsugakuteki Zombie (Nekubila)] Ochinpo ga Haetano de Otete de Kakimasu. (Kizuna Ai)
Hiru no KiraPâti e Youkoso
(SC19) [Behind Moon (Q)] Dulce Report 3
Ochinpo ga Haeta no de Otete de Kakimasu. | I Grew A Dick, So I'll Jerk It
[Matsurioka Hideyuki] Reken ~Shinsoku Raper Domo~ | Rape Researches
[Anthology] Ryouseiguyuu Androgynous vol 2
[JINJIN] unnamed CCS doujin (original language)
Futanari Robin VS Onna Kyojin Kaihei
Kotori 16
[Starless Aeon] - Penis beast meat and Miko
(Futaket 10) [148bpm (Kanon)] Futanari Aiganmusu (Kantai Collection -KanColle-)
[Go! Go! Heaven!! (speed)] Namaiki na Imouto 8 Color Ban
[Adeyaka Kunoichi-dan (Shiranui Mokeiten)] Adeyaka Nihonzashi (Capcom vs. SNK)
(C87) [GFF (Kuribayashi Chris)] TRUE END + Omakebon (Smile Precure!)
(Mou Nani mo Kowakunai 26) [Shadan Katsudou (Kyuusuikei)] Fellatio Suarus VS Mahou Shoujo Zenpen (Puella Magi Madoka Magica)
[Inochi Wazuka] Haeteru Onee-san wa Sukidesuka?
Futa Ona Honey
[Trump] Dennou Gakuen Eden Kuukan Waikyoku Souchi | Playing with Portals [English] [Decensored]
[Soramune (Yuzu Ramune)] Futanari Roshutsu JK desu ga? 6 [English] [TreePerception] [Digital]
(C74) [B5 Doumei (RaTe)] Maria-sama ga P o Miteru Soushuuhen (Maria-sama ga Miteru)
[Anthology] Futanari Secrosse!!
[Anthology] Futanari Friends! 02
[Hattori Shinobu] Muga Muchu Nanodesu!
Nyan Nyan Fuunyan
(Futaket 12) [Izanagi (Oto)] Muv-kai!! (MUV-LUV)
FutanaLife Vol. 2 Mikanseiban
Futanari JK
(C63) [P Shoukai (Various)] Momo-an Vol.12
[Zenra QQ] Fellatio Kouhai, Otouto ni naru [Chinese] [空想少年汉化]
Hachiroku's Fellatio
(C87) [Fleur 9 Pri (Kitahara Eiji)] Inran Kagura - Shoujotachi no Inkei - San (Senran Kagura)
Gensoukyou Futanari Chinpo Wrestling Ecstasy 4 Yukari VS Marisa
[Fuusen Club] Hatsujou Futanari to Inran na Boku
Tamahime-sama
Dance! Tentacle Research Institute
Shoukan Sareta Onnanoko wa Minna Futanari Kaizou Sarechau Hei Chaldea
(Futaket 11) [Ani ga Saru (Takashi)] Boku no Kanojo wa Futanari Mazo
COMIC MASYO 2013-01
(C88) [Eroquis! (Butcha-U)] DELIGHTFULLY FUCKABLE AND UNREFINED FELLATIO DAY! [English] {thetsuuyaku} [Decensored]
Bunnyue no Fellatio
[Unagi no Nedoko (Nakano)] D
[Slow Masturbation Research Society] "The seven fundamental operations" [ENG]
[MC Hanbaiten] Guno Grave "Secchakuzai -Kisei Shinshoku I-" [English] [Dummie]
(C81) [Hinemosuan (Hinemosu Notari)] Kokoro no Sukima Oume Shimasu (Touhou Project)
[Flavor Graphics] Futanari no Kuni no Alice {Alice in Androgyne Land}
Love Dirty Talk Hyottoko Fellatio Girlfriend
[Takahashi Note] Jiyuukenkyuu | Independent Research (COMIC LO 2015-11) [English] {5 a.m.}