Fellatio Research Group

Saa, Seiyoku Minagiru Hitozuma ga Aite da!

(Futaket 8) [OZONE (Marimiya)] K2 Style

(C84) [Kacchuu Musume (Yukiyanagi)] Shingeki no Kenkyuu | Attack on Research (Shingeki no Megami) (Shingeki no Kyojin) [English] [CGRascal]

(C91) [JACK-POT (Jyura)] Fellatio Queen Reiko no Nichijou (Kochikame)

Niyotaika Ryoujoku Kensa

[Majikoro] Turbo Switch

Dulce Report 3

Fellatio Kenkyuubu | Departamento de Investigación de las Felaciones Ch. 1

(C87) [GFF (Kuribayashi Chris)] TRUE END + Omakebon (Smile Precure!)

[Doi Sakazaki] High Tension

Futa Ona Dai San Shou | A Certain Futanari Girl's Masturbation Diary Ch.3: FutaOna 3

[Ogeretsu-dan (Shinjima Saki)] Futanari Works 1 Kansen [Digital]

[Q] Kagai Lesson | Extracurricular Torture [Lesson] (Fujouri na Nyotai Kousoku) [English] [Risette] [Digital]

(C77) [Kantou Dougakai (Uno Makoto)] Futa-chan Character Book [English] =Jakyou Honnou=

[NeWMeN] Secret Plot [Shinsouban] Ch. 1-5 [English]

OwnWill Boku ga Atashi ni Natta Toki #2 Fellatio

[Hihiyama Tsuyabon (Hihiyama Yokikana)] Watashi wa Shitsuke no Tame ni Flan o Otoko-domo ni Naburaseru | I'm letting a group of men torment my little sister Flan in order to teach her manners. (Touhou Project) [English] [ATF] [Digital]

Mitsui Jun - Fellatio Mamoru-kun

[Miura Iota (GT Wanko)] Endless Summer (K-ON!) [English] [Tigoris Translates]

(SC60) [Shuudan Bouryoku (Murasaki Syu)] Yoru no Tenshi ~Penis wo Ijiri Jii he to Kuruu Nanokakan ~ (Devil Survivor 2)

(C63) [usaburo! (RT., Velfro)] Kabuchin (Street Fighter)

[Katou Jun] Avatar Trance! Ch. 1-5 [Chinese] [鬼畜王汉化组] [Digital]

[China] JC Shuudan Rape Mensetsu! Shiritsu Ryoujoku Joshikou | Middle School Group Rape Interview! Private Rape School (COMIC Grape Vol. 18) [English] [B.E.C. Scans] [Digital]

(Futaket 12) [Miura Iota (Miura Iota)] Fusou & Yamashiro Noukou Futanari Juice (Kantai Collection -KanColle-)

Drool Drool Lips, Slurp Slurp Tongue, Vacuuuum Fellatio!

(C68) [Sekai no Hate (B-MARY)] The IDOL (Rumble Roses)

(C80) [Tsurikichi Doumei (Umedama Nabu)] Seiuchi Todo Heaven (Various)

[NeWMeN] Secret Plot [Shinsouban] [English]

Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2

(C87) [Hakujira Uminekodan (Shimuu)] Lolibote Nanoha Bitch BREAK-f (Mahou Shoujo Lyrical Nanoha)

Sannin no Futanari to Nazo no Quest Box

Futanari Shoujo no Shasei Nikki 5

(C90) [A.S.G Group (Misonou)] Yamaoku e Ikou! (Dragon Quest V)

(Futaket 11) [Doronuma Kyoudai (RED-RUM)] Futa Ona Daisanshou Kouhen

[Gura Nyuutou] Futa Mata

(Futaket 17.5) [Silicon Jichou (Condessa)] Shutchō-saki de Jii Suru 32-sai

(C67) [Hachiouji Kaipan Totsugeki Kiheitai (Makita Yoshiharu)] HAPPY FEVER HEAT! (Girls Bravo) [English] [Doujin-World & hentaigroup]

Fellatio Suarus VS Mahou Shoujo Zenpen

(C96) [NIGHT FUCKERS (Mitsugi)] Nurunuru Fellation Summer (Granblue Fantasy) [English]

[Adeyaka Kunoichi-dan (Shiranui Mokeiten)] Adeyaka Nihonzashi (Capcom vs. SNK) [English]

Fire Emblem CG Set

[Bai Asuka] Hensachi ZERO kara no Seiteki Kyouiku

(Futaket 6) [Kakumei Seifu Kouhoushitsu (Radiohead)] Haikei, Kabe no Ana Kara (Touhou Project) [English] {biribiri}

(C82) [A・S・G Group (Misonou)] Katai Onna Hpdo Moeagaru!! "Urokoteki naImide" (Dragon Quest Monsters)

Fellatio Suarus VS Mahou Shoujo Zenpen

BUKKAKESEED

Sannin no Futanari to Nazo no Quest Box

[Un-Go] Doctor Kazamori's Slightly Naughty Research 2 [English]

(Futaket 13.5) [ASTRA'S (ASTRA)] 50%-4 (Ranma 1/2)

[Kawai Shun] Odoru! Shokushu Kenkyuujo | Dance! Tentacle Research Institute [English] [solowing]

DAVINCI-N-CODE

Fellatio Kenkyuubu

[Makita Aoi] Dain Tenjo

[Master Volume (Jyujyo)] Hard Minimal Trip 3 (Ichigo Mashimaro, Dragon Quest III)

Kyonyuu Seijo to Ouhi ga Noukou na Shitawaza de Kurikaeshi Nuite Kureta Ato ni Honban Sasete Kureru Fellatio Fuuzoku

Nurunuru Fellation Summer

Futanari Kenkyuu Dousoukai | Futanari Research Club

Futanari nanode Gakkou Seikatsu ga Fuan desu 3

(SC19) [Behind Moon (Q)] Dulce Report 3 [English]

[Nakanoo Kei] Futanari Ism [English] [SaHa]

[NeWMeN] Secret Plot [Shinsouban] Ch. 1-4 [English]

(Futaket 11.5) [Studio GORENUKE (Fuusen Club)] Mama no Kyokon ga Sukisugite! [English] [N04h]

[NeWMeN] Secret Plot [Shinsouban] Ch. 1-7 [English]

Shin Hanzyuuryoku XV

[Okada Matsuoka] Milk Spot Ch. 1-4 [English] [SaHa]

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

Nyan Nyan Fuunyan

(C92) [aka (Cevoy)] Warawa no Yome Ni (Fire Emblem if)

[Katou Jun] Avatar Trance! [Chinese] [鬼畜王汉化组] [Digital]

[NeWMeN] Secret Plot [Shinsouban] Ch. 1-6 [English]

(Futaket 17.5) [Silicon Jichou (Condessa)] Shucchou-saki de Jii Suru 32-sai | The 32 Year Old Businesswoman Futa Masturbates Before Her Business Trip [English] {Doujins.com}

[LOWHIDE PROJECT (LOWHIDE)] Que-Bla Chin Douchuuki (Queen's Blade) [Digital]

(C84) [A.S.G Group (Misonou)] Jousenken wa Ken Janai no de Soubi Dekimasen (Dragon Quest IV)

(C63) [P Shoukai (Various)] Momo-an Vol.12

Chotto Koime no CG Shuu Futanarian!

[Machino Henmaru] Picho to Yachuu

Kareshi ni Naisho de 2 Nama Rankou...Shichaimashita. | Keep This A Secret From My Boyfriend 2 - I Had... Raw Group Sex

[Miura Takehiro] BUST UP SCHOOL -Yawaraka Kigougun- | -Soft Code Group- ch. 1-4 [English] {Brolen}

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

[L.P.E.G. (Marneko)] Natsume no Mousou Ona Milk [Digital]

[lah translation] jinjin unnamed ccs doujin #2

[Dakouin Saburou] 2-nen F-gumi Zenin Seikou [English] [Mikakunin+Amoskandy]

Movie Research Lovers

[Hroz] Succubus no Ningen Kenkyuu | Human Research by a Succubus [English] [thetsuuyaku + 4dawgz]

[Dulce-Q] Niyotaika Ryoujoku Kensa [Chinese] [鬼畜王汉化组]

Mahou no Byururu.

(C71) [ashitakara-ganbaru (Yameta Takashi)] 00 (Zero no Tsukaima)

[NeWMeN] Secret Plot [Shinsouban] [English]

(SC16) [PNO Group (Hase Yuu)] Chobi ☆ Ichigoten | Chobits #1 Shop (Chobits) [English] [EHCOVE]

Umi-chan o Futari de Succhau Hon

Dance! Tentacle Research Institute

Berugamotto - Masochist Pig Dick Torture

[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]

Nikuhisyo Yukiko 37

[Wakana Hanabi] Himawari Ichiga (Hatsukoi to Fellatio to Seiin) [English] [Flatopia + Team Koinaka]

Futanari Pandemic 3

[Dokurosan] Eiken Lovers | Movie Research Lovers (COMIC Tenma 2009-05 Vol. 132) [English] [Brolen]

(C85) [PNO Group (Hase Yuu, Hikawa Yuuki, Yamamoto Ryuusuke)] Carni☆Phan tic factory 5 (Fate/zero) [English] {Tigoris Translates}

(C65) [PNO Group (Hase Yuu, Hikawa Yuuki)] Negima Chick Factory (Mahou Sensei Negima!)

マリネットの秘密

[Sorairo Panda (Yamome)] Gori-chan Sensei

[Shadan Katsudou (Kyuusuikei)] Fellatiosaurus VS Mahou Shoujo Kouhen (Puella Magi Madoka Magica) [English] [Shady Dealer] [Digital]

(C81) [PNO Group (Hase Yuu)] Illya-bun Hokan Keikaku 5 (Kari) ga FuyuComi ni Maniaimasendeshita Gomennasai Hon (Fate/kaleid liner Prisma Illya)

(C63) [PNO Group (Hase Yuu, Hikawa Yuuki, Yamamoto Ryuusuke)] UtaKomi Chick Factory (Utawarerumono)

Netto! Fellatio Koshien

Fellatio Kenkyuubu | Fellatio Fesearch Department Ch. 1

Yoru no Tenshi ~Penis o Ijiri Jii e to Kuruu 7-kakan~

[Shinozaki Rei] Camp Mission

(C55) [Motsu Ryouri (Motsu)] Mara Iya Cammy (Street Fighter)

OOBlowBang

[Zenra QQ] Dekachin Bitch-kun no Seikatsu [Chinese] [管少女汉化]

(C79) [L.P.E.G (Maruneko)] Natsume no Shiori Soushuuhen Plus [English] [Desudesu]

[PNO GROUP(Hase Yuu)] Bishoujo Sentai Petalicon gaiden ~otona no jijyo de huin sareta hanashi toka~

(C76) [BlueMonday (Shinozaki Rei)] TEEN

[Zenra QQ] Quickie [Chinese] [管少女汉化]

(C75) [PNO Group (Hase Yuu)] Waha ☆ Para (Suigetsu)

Ugoku! Chitai Collection! ~Futanari Shimakaze Aheochi Daikaizou Keikaku~

[Maho] Chokitto Dullahan! [Digital]

Kouhai-chan Ki o Tsukete!

Hiroshi Tatsumi - group of merciless

(Futaket 9.5) [L.P.E.G. (Marneko)] Rouka-kei Hitaishou Girl

Osubuta Fukei Aoi-chan

Fellatio Kouhai, Otouto ni naru- Felacion-kun, mi compañero menor, se ha convertido en mi hermano

Toilet Portal

[Engetsuten (Touno Tatsuki)] Dream F Club

[Group NEKO (WOODY)] ORANGE CRUSH K-I-M-A-G-U-R-E Subcharacter EDITION (Kimagure Orange Road) [English] [sphynxtoronto] [Incomplete]

(C80) [OZONE (Marumiya)] Sorceress no Natsu, Amazon no Natsu. (Dragon's Crown)

Kareshi ni Naisho de 2 Nama Rankou...Shichaimashita. | Keep This A Secret From My Boyfriend 2 - I Had... Raw Group Sex

[Sadistic Alice] Feminist Empire Hansel's Kitchen

Yuusha no Nakama Monster Musume wa Tanetsuke Sarete Shimaimashita

[Miura Takehiro] BUST UP SCHOOL -Yawaraka Kigougun- | -Soft Code Group- ch. 1-9 [English] {Brolen}

[Akuochisukii Kyoushitsu (Akuochisukii Sensei)] Honjitsu no Haiboku After Futanari Kaizou Touyaku Auction he no Shuppin (Original) [Digital]