[DISTANCE] Musume to Chichi no KETSUMATSU ~Miyuki no Second Fella Nikki~ | Daughter and Father conclusion - Miyuki's Second Fellation Diary [English]
[Anthology] Futanarikko Lovers 4
(COMITIA121) [B5 Doumei (RaTe)] NDG Soushuuhen 1 01~04
(C76) [-unlimited (Asakura Yuu)] Tama Ran
[Hroz] Succubus no Ningen Kenkyuu | Human Research by a Succubus [English] [thetsuuyaku + 4dawgz]
(C54) [STUDIO HUAN (Various)] PIPER 2 (Street Fighter)
Hiiragi Haruko wa ○○○ o Hayashita
Dennou Gakuen Eden Kuukan Waikyoku Souchi | Playing with Portals
Blue Heaven 2
(C96) [Abarenbow Tengu (Izumi Yuujiro)] Kotori 16 (Fate/stay night)
(C94) [Mesuman Teikoku (Kousuke)] DAVINCI-N-CODE (Fate/Grand Order) [Chinese] [不咕鸟汉化组]
N Zukan ~Fellatio Hen 2~
FUTANARI MOON BITCH☆
Monk to Yuusha to Noroi no Mahou
Fellatio Kenkyuubu Ch. 3
Futanari Mama wa Yokkyuu Fuman 01
[Jamming] Maison no Onna
(C93) [Dodoitsu. (Panco.)] Research Love Make Presentation | Research Lab x Expression (Motto! Hinekure Chaser 3) [English] [Pink Cherry Blossom Scans]
[DISTANCE] Musume to Chichi no KETSUMATSU ~Miyuki no Second Fella Nikki~ | Daughter and Father Marriage - Miyuki's Second Fellation Diary [English]
[Slow Masturbation Research Society] "The seven fundamental operations" [ENG]
(C78) [Draw Go (Souichi)] Tokumei Research 1999 ~ Maya-chan Shinsou Kaimei File ~ (Occult Academy)
Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2
[Touge Hiro] Chotto Dake Mirai Gakuen ni Youkoso
(C91) [Jam Kingdom (Jam Ouji)] MiraRiko x MayuKana (Mahou Tsukai Precure!)
Futanari Shinsatsu Time
Kotori 16
Movie Research Lovers
[Sorairo Panda (Yamome)] Gori-chan Sensei
[Watanabe Tou (Watanabe Kenpo)] Tonari no Bitch Nee-chan | The Bitch Next Door [English]
Erohon o Yondetara Kinjo no Onee-san ni Fellatio Sareta Hanashi
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [English]
[Touge Hiro] Chotto Dake Mirai Gakuen ni Youkoso | Welcome to Near-Future Academy [English] [SaHa + LWB]
(C94) [Mesuman Teikoku (Kosuke)] DAVINCI-N-CODE (Fate/Grand Order)
[SOUND MILK (Otochichi)] Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research (Mahou Tsukai Precure!) [English] [ATF] [Digital]
Quickie(Chinese)
Shikkoku no Dekachin ni Netorareta Hitozuma 10nin no Fellatio Zukan&ShousaiKeii
Seraphita Vol.0
(C91) [Sakurai Dai Energy (Sakurai Energy)] Reverse×Reverse (Touhou Project)
[Zonda] Fellatio Kenkyuubu | Blowjob Research Club [English] [Uncensored] [head empty + RedLantern]
Reverse×Reverse
Fellatio Suarus VS Mahou Shoujo Zenpen
[Makita Aoi] Kyouteki Kagaku Club - Welcome Science of Madness Club
[Noise] Chinko no Jiyuu Kenyuu | Dick Research Project (COMIC LO 2019-05) [English] [Doki Fansubs] [Digital]
Maidencarnation3
(C74) [B5 Doumei (RaTe)] Maria-sama ga P o Miteru Soushuuhen (Maria-sama ga Miteru)
CHINCONO
Fellatio Kenkyuubu
[Go! Go! Heaven!!] Cocky Young Sister 08
Fellatiosaurus VS Mahou Shoujo Kouhen
Ningen Bokujou
Kyonyuu Futanari to Kashita Neko-chan
[Trump] Dennou Gakuen Eden Kuukan Waikyoku Souchi | Playing with Portals [English] [Decensored]
[Anthology] Fellatio Anthology Kouin Ojoku
Fellatio Kenkyuubu | Departamento de Investigación de las Felaciones Ch. 1
Fellatio girl illustrated book 3
A ugly girl in a class with lewd eyes ~Fellatio edition~
(CR35) [B5 Doumei (RaTe)] Maria-sama ga P o Miteru 2 (Maria-sama ga Miteru)
[Zonda] Fellatio Kenkyuubu Ch.4 (COMIC Mugen Tensei 2022-06) [Chinese] [瓜皮汉化] [Digital]
Fellatio Iinchou
Asa Onna na Ore to Futanarikko Ojousama 3 LIVE A LIVE
[C.R.C (Don Shigeru)] Blade on Blade Out (Taimanin Yukikaze) [Digital]
[Katou Jun] Avatar Trance! Ch. 1-8 [Chinese] [鬼畜王汉化组] [Digital
Source of Happiness | Fellatio no Ehon Soushuuhen 2
Fukyoka 4
(C91) [JACK-POT (Jyura)] Fellatio Queen Reiko no Nichijou (Kochikame) [English] {doujins.com}
[Shiwasu no Okina] Sei So Tsui Dan Sha
(C80) [OZONE (Marumiya)] Sorceress no Natsu, Amazon no Natsu. (Dragon's Crown)
[NeWMeN] Secret Plot 4 [English]
[Naya (Papermania)] Inran Maso Josouko - Ikuko-chan no Mousou SM Nikki
(C92) [Index ACG (Nagare Ippon)] INDEXGIRLS 10 Futanari Seito Kaichou Amazing SM Show
[Konnyaku Nabe (magifuro Konnyaku)] Futanari Onani no Susume [Digital]
Avatar Trance! Ch. 1-6 [Digital
[Borusen] Toilet Portal (English) [Digital]
[METAL (Kagerou 1991)] Bousou Milk | Reckless Milk (Rougetsu Toshi Gaiden Ni) [English] [Tanporakuda]
(SC60) [Hooliganism (Murasaki Syu)] Yoru no Tenshi ~Penis o Ijiri Jii e to Kuruu 7-kakan~ (Devil Survivor 2) [English] [Tigoris Translates]
[Po-Ju] Brownie Ring [Chinese][七萌个人汉化]
(Futaket 29) [Silicon Jichou (Condessa)] Hiiragi Haruko wa ○○○ o Hayashita [English] [desudesu][Decensored][BlueMoonCircle]
Zecchou Kenkyuujo 2 Orgasm Research Facility 2