Fellatio Research Clibwe

(CR35) [B5 Doumei (RaTe)] Maria-sama ga P wo miteru 2 (Maria-sama ga Miteru [Maria Watches Over Us])

COMIC Mate Legend Vol. 17 2017-10 [Digital]

[Stapspats (Hisui)] Gensoukyou Futanari Chinpo Wrestling Ecstasy 4 Yukari VS Marisa (Touhou Project) [Digital][Chinese][雷电将军汉化]

Manatsu no Yukimatsuri

(C84) [Yuugengaisha Mach Spin (Drill Jill)] Chenge!! 4 (Getter Robo)

Avatar Trance!

(C80) [Digital Accel Works (INAZUMA)] INAZUMA Jiyuu Kenkyuu | INAZUMA Research Project (PreCure) [English] {5 a.m.}

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

Futanari Shinsatsu Time

(C72) [P Shoukai (Various)] Momo-an 21

[Anthology] Futanarikko no Sekai 2

Rimuru-sama skin fellatio

Maihime Chigoku no Ori 6

(C82) [Kakumei Seifu Kouhoushitsu (Various)] Watashi ga Sex Dekinai no wa dou Kangaete mo Koitsu ga Warui! | It's Not My Fault I'm Not Getting Any! (It's Not My Fault I'm Not Popular! [English] =LWB=

[MoonRevenge] Tennen no Yoshi [Digital]

Dennou Gakuen Eden Kuukan Waikyoku Souchi | Playing with Portals

Futa Mata

[Anthology] Otokonoko HEAVEN Vol. 19 [Digital]

(C76) [BlueMonday (Shinozaki Rei)] TEEN

[Adeyaka Kunoichi-dan (Shiranui Mokeiten)] Futata 2gou [Japanese, English] [Digital]

(C76) [-unlimited (Asakura Yuu)] Tama Ran

[Wakabatei] Fellatio Iinchou | Blowjob President [English] {Doujins.com}

[Anthology] Touhime H

[Trump] Dennou Gakuen Eden Kuukan Waikyoku Souchi

[Mugenya Honpo (Mugen no Ossan)] Nitsui Shoujo

Bowsette's Research

[Anthology] Futanari Secrosse!!

[Anthology] 2D Comic Magazine Futanari Musume ni Nakadashi Haramase!

[A-mania9's (The Amanoja9)] BEHAVIOUR+8 Chou☆Koikuchi [Digital]

[Imprison (Sasaki Yuuhei)] Shibo Sei Gakuen Fellatio-Bu

[Uchida Koneri] Mama wa Fellatio Bijin!! | Mama Is A Fellatio Beauty (Tadareta Boshi no Himitsu) [English] [Fated Circle]

[DL Mate] Joushiki Henkan Appli ~ Namaiki na Imouto ni Shikou wo Kakikaete Juujun Fellatio Houshi Sasete Mita

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

(Futaket 3) [Kakumei Seifu Kouhoushitsu (Various)] Anata no Jinsei no Monogatari (Gunparade March) [English] [Incomplete]

[Akuochisukii Kyoushitsu (Akuochisukii Sensei)] Kanraku Chouteisha (Granblue Fantasy)

[Konnyaku Nabe (magifuro Konnyaku)] Futanari Onani no Susume [Chinese] [沒有漢化] [Digital]

Fellatio Research Department | Fellatio Kenkyuubu - Ch.01

[Atelier Dr.HEAD'S (Katou Chakichi)] Josou Shounen Mesuochi Saimin [Chinese] [夜願漢化] [Digital]

[B5 Doumei (RaTe)] NDG (Naughty Dick Girls) 03*

[Shinozaki Rei] NIGHT BLUE

マリネットの秘密

Maiden Carnation

Gensoukyou Futanari Chinpo Wrestling Ecstasy 4 Yukari VS Marisa

Sannin no Futanari to Nazo no Quest Box

(Yarou Kingdom) [Itachi Gokko (Takezamurai)] Monk to Yuusha to Noroi no Mahou

Reverse×Reverse

Nyan Nyan Fuunyan

[Borusen] Toilet Portal (English) [Digital]

(Futaket 7) [OZONE (Marumiya)] Tamahime-sama [English] {doujin-moe.us}

Futanari Pandemic 3

(GO! GO! HEAVEN!! 6) [Sennen Teikoku (Mitsui Jun)] Fellatio Mamoru-kun 1+2 (Gaogaigar) [Chinese] [萌控漢化組]

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

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

(C90) [Fatalpulse (Asanagi)] Gareki 23 (Various)

Fetish Mansion

[A-mania9's (The Amanoja9)] BEHAVIOUR+8 Chou☆Koikuchi [Digital]

[Anthology] Futanarikko Love 9

Hiru no KiraPâti e Youkoso

[Magical Manana (Manana)] Otokonoko Pretty Boy Stuck His Dick in a Reverse Fellatio Box [Eng. ver]

[NeWMeN] Secret Plot [Shinsouban] [English]

(C91) [JACK-POT (Jyura)] Fellatio Queen Reiko no Nichijou (Kochikame) [Chinese] [最愛大屁屁x漢化組漢化組]

[Kouzu Shoukai (CAW=ZOO)] Futanari Robin VS Onna Kyojin Kaihei (One Piece)

(C93) [Dodoitsu. (Panco.)] Research Love Make Presentation | Research Lab x Expression (Motto! Hinekure Chaser 3) [English] [Pink Cherry Blossom Scans]

Futanari Tokubetsu Jugyou

(C65) [P Shoukai (Various)] Momo-an Vol.14

(C84) [L.P.E.G. (Marneko)] Asa Onna na Ore to Futanarikko Ojousama 4 Tomodachi mo Taisetsu ni? [English] {SaHa}

(C95) [Yashiya (YASSY)] YukaMoko (Touhou Project)

(Shuuki Reitaisai 3) [Konnyaku Nabe (magifuro Konnyaku)] Yanagi no Shita no Futanari Onanie Show (Touhou Project) [Chinese] [沒有漢化]

(C85) [NAMANECOTEI (chan shin han)] Sailor Milky Club (Sailor Moon)

[Team Shuffle (Trump)] Dennou Gakuen Eden

[Kichiku na Eta] KyokonFutanari-chan

Fellatio Kenkyuubu Ch. 4

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

(C90) [Fatalpulse (Asanagi)] Gareki 23 (Various) [English]

[Takahashi Note] Jiyuukenkyuu | Independent Research (COMIC LO 2015-11) [English] {5 a.m.}

[Navy] Source of Happiness | Fellatio no Ehon Soushuuhen 2 (Fairy Tail) [English] [EHCOVE]

(Futaket 10) [148bpm (Kanon)] Futanari Aiganmusu (Kantai Collection -KanColle-)

[Zenzidou Kosyubenjo (Koube Tsukasa)] Ikka Sorotte Mesuochi Kachiku Dorei ~Zenpen~ [Chinese] （JE个人汉化）

[Rinji Party (Various)] Futanari Goudou Touhou Ochinpic (Touhou Project) [Digital]

[Zenra QQ] Dekachin Bitch Kun no Seikatsu

[Kono Donto] Dorei Senshi Maya / Slave Warrior Maya Vol.1 Ch.1-4 [English] [Kusanyagi]

Ningen Bokujou

Futazones

(C63) [MUSASABIDO (Bakuchin)] Research of a maid

Otokonoko Pretty Boy Stuck His Dick in a Reverse Fellatio Box

Maidencarnation3

Fellatio Kenkyuubu - Fellatio Research Department

Shinyuu no Ana de Shasei Shitagaru Onna-tachi

Shin Hanzyuuryoku XV

(Futaket 11) [Doronuma Kyoudai (RED-RUM)] Futa Ona Daisanshou Kouhen | A Certain Futanari Girl's Masturbation Diary Ch. 3.5 [English]

(Comic Castle 2006) [Abarenbow Tengu (Izumi Yuujiro)] Kotori 3 (Fate/stay night) [English] [SaHa]

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

Fellatio girl illustrated book 2

Love Dirty Talk Hyottoko Fellatio Girlfriend

[Fuusen Club] Mama no Kyokon ga Suki Sugite [Digital]

[Anthology] Futanari Friends! 02

[Inochi Wazuka] Haeteru Onee-san wa Sukidesuka?

[Watanabe Tou (Watanabe Kenpo)] Tonari no Bitch Nee-chan | The Bitch Next Door [English]

Kitto Kawaii Otoko no Ko Dakara - Douwa hen -

Zecchou Kenkyuujo 2 Orgasm Research Facility 2

[Sarurururu (Various)] Fellatio Paranoia [Digital]

(C101) [TEAM SHUFFLE (Trump)] Raika no Ichinichi

Futanari Mama wa Yokkyuu Fuman 01

[Miyuma Subaru] Mazokko Hakusho

Fellatio Kenkyuubu Ch. 3

[A-mania9's (The Amanoja9)] BEHAVIOUR+8 Chou☆Koikuchi [Digital] [English] [N04h]

[NeWMeN] Secret Plot 4 [English]

Hachiroku's Fellatio

(Shota Scratch 19)[Kurodou Holdings "Kabu" (Kurodou Katana)] Maji de fuck na gekijou monogatari

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

(C91) [Neko wa Manma ga Utsukushii (Hisasi)] Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2 (Shokugeki no Soma) [English] [Metaphrastes]

(C66) [Renrakumou AMI Doujin Section] AMI Jiyuuchou Ni Futanarisuto

[Dulce-Q] Nyotaika Ryoujoku Kensa [Digital]

Ochinpo ga Haeta no de Otete de Kakimasu. | I Grew A Dick, So I'll Jerk It

[Starless Aeon] - Penis beast meat and Miko

[Kudamono Monogatari (Kuroishi Ringo)] Kuroishi Ringo Request Doujinshi II [ENG] [thetsuuyaku]

[Kouzu Shoukai (CAW=ZOO)] Futanari Robin VS Onna Kyojin Kaihei (One Piece) [Digital]

[Sadistic Alice] Feminist Empire Hansel's Kitchen

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

[Mikikazu] Fellatio Maniax

[1bit (yuyu)] Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I [English]