Fellatio Kenkyu

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

[Kanbayashi Takaki] Muriyari Otokonoko [Digital]

Adult! Fushigi Kenkyuubu

[Newtype Kenkyuujo (Kotowari)] Katori-sensei no Ikisugi Shidou ni Goyoujin (Kantai Collection -KanColle-) [Digital]

[Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Boku ga Shihai Suru Senpai [Digital]

[Zenra QQ] Fellatio Kouhai, Otouto ni naru [English] [Yuuchen]

[Nyoninka Kenkyuujo] Kyousei Nyotaika Ani

ねこかわっ！

(C92) [Minori Kenkyuujo (Minori Kenshirou)] Chiisana Puffy 1

Futanari Joshi to Gyaku Anal Gakkou Seikatsu

Ochako Fellatio | El Blow Job de Ochako

(C93) [Naruto Kenkyu Sha (Hisakabe Oto)] Brilliant Sweet (THE IDOLM@STER CINDERELLA GIRLS)

[Hiiro no Kenkyuushitsu (Hitoi)] Ochiba Nikki -Roshutsu Choukyou Hen- Omakebon

Kiss to Chocolate no Kenkyuu Report

(C57) [Tsurupeta Kenkyuusho (Hoshino Fuuta, Okaya Hitsuji)] Hoshino Fuuta no Oekaki Book (Various)

Yukiko No Fellatio

(J.GARDEN 41) [Tanakana (Tanaka Natsumi)] Nekketsu! Occult Kenkyuubu

[Black Megane Kenkyuujou] Lamia ni Marunomi Sareru dake no Hon

[Kuromahou Kenkyuujo (Nukaji)] NTR Sex Jisshuu [Chinese] [新桥月白日语社] [Digital]

(C93) [Minori Kenkyuujo (Minori Kenshirou)] Pouty Pukey Smile

[JON (Chupimaro)] Netto! Fellatio Koshien [Digital]

Ninjutsu Kenkyu + Omake CG

(C91) [LRIG Lab (Various)] LRIG Kenkyuu Nisshi 2016 Nenmatsu Tokudai-gou (WIXOSS)

Jiyuukenkyuubu

(C94) [Akausagi (Fukuyama Naoto)] Anedeshi Kenkyuukai (Ryuuou no Oshigoto!)

CROSS DRAGON (Dragonaut: The Resonance) [English] [rewrite]

Rica no Kenkyuushitsu ~Chiteki na Rikeijo no Seitai~

[Navy (Kisyuu Naoyuki)] Okuchi no Ehon Ai Yueni -Kasuga- | For Love ~Kasuga~ (Fellatio no Ehon Soushuuhen Vol. 2) (Sengoku Basara) [English] [EHCOVE] [Digital]

Yuni Paisen no Kenkyuu

[M Kichiheya (Uchida Junta)] Chimera Kenkyuu File (Mother 3) [Chinese] [Decensored] [2007-08-13]

[Eroquis! (Butcha-U)] DELIGHTFULLY FUCKABLE AND UNREFINED FELLATIO DAY! [Chinese] [Digital]

(Kawaii Boku wa Muteki desu yo! 2) [Naruto Kenkyu Sha (Hisakabe Oto)] Producer-san wa Boku to Issho ni Ofuro Hairitai no desu ka? (THE IDOLM@STER CINDERELLA GIRLS)

Shisai Elf-san no Fellatio

(C96) [Fujiyuu Kenkyuu (Akai Kagerou)] Fuyuko no Futumomo o Tannou Suru Hon (THE iDOLM@STER: Shiny Colors)

(C57) [Raijinkai (Haruki Genia)] Jintoku No Kenkyuu 9

Distance

(COMITIA122) [Masuda (Masuda)] Masuda Kenkyuushitsu Gendai Pura-Kikagaku I

Gyaru Hakase no Himitsu Kenkyuu | Gyaru Professor’s Secret Investigation

(COMIC1☆14) [Naruto Kenkyu Sha (Hisakabe Oto)] SWEET ENERGY (THE IDOLM@STER CINDERELLA GIRLS)

Sensei no Kenkyuu Vol. 1

[Hiiro no Kenkyuushitsu (Hitoi)] Mask Haishin Konoha-chan | Konoha-chan's masked live stream [English] [Lewd Rider Ero]

(Houraigekisen! Yo-i! & Gunreibu Shuho Goudou Enshuu 3Senme) [Newtype Kenkyuujo (Kotowari)] Ichiban Image Video ga Niau Kan (Kantai Collection -KanColle-)

Girl-chan Kenkyuuchuu

[Kuromahou Kenkyuujo (Nukaji)] Bungeibu no Asaren | Literary club's morning training [English] [DrunkenWeeb] [Digital]

Fellatio Kouhai, Otouto ni naru | Fellatio-kun, My Junior, Has Become My Brother

Hyottoko Fellatio CG Set vol.1

[Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Aniki ni Urarete Hitobanjuu [Digital]

[Mda Starou] Rimuru-sama skin fellatio (Tensei Shitara Slime datta Ken) [Chinese] [君日本語本當上手漢化組]

[Ayano Rena] Siscon - Sister Complex

Chaldea Fellatio Benjo Matome

(COMIC1☆14) [Camrism (Kito Sakeru)] Oppai Highway - Onee-san no Kenkyuu (Penguin Highway)

[Kamitou Masaki] File:01 Lewd Encounters of the Third Kind (Okaruto Kenkyuukai -Michi to no Souguu-) [English]

(Shota Scratch 11) [Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Seigi no Mikata Vol.1

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

Ichinose Shiki no Seitekijoudou Kenkyuu

Zecchou Kenkyusho 2

(C97) [Hiiro no Kenkyuushitsu (Hitoi)] Komorebi no Ori [Chinese] [無邪気漢化組]

[Matsumoto Drill Kenkyuujo] Akuochi | Fallen to the Dark Side (COMIC X-EROS #5) [English] {desudesu}

[Kokonoki Nao] Virgin

[Nyoninka Kenkyuujo (milda7)] Kyousei Jingai-ka Jigoku

[Kuromahou Kenkyuujo (Nukaji)] Chishou no Ko o Onaho ni Suru 3 [Digital]

[Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Boku ga Shihai Suru Senpai [Chinese] [瑞树汉化组] [Digital]

Uremomo

Takamura-kun de Asobou!

(Reitaisai 8) [Newtype Kenkyuujo (Kotowari)] Onee-chan no East (Touhou Project)

[Hiiro no Kenkyuushitsu (Hitoi)] Ochiba Nikki -Roshutsu Choukyou Hen- [English] [ddock17] [Digital]

[Kuromahou Kenkyuujo (Nukaji)] Aniki to Kanojo no Arbeit

Fellatio girl illustrated book 3

(C79) [Matsumoto Drill Kenkyuujo] Ika-gana Mono ka? (Shinryaku! Ika Musume) [Digital]

[Takurou] Rika no Kenkyuushitsu | Rika's Laboratory Ch. 1-5 [English] [Crystalium]

(C99) [Kuromahou Kenkyuujo (Nukaji)] Chishou no Ko o Onaho ni Suru 3

[Naruto Kenkyu Sha (Hisakabe Oto)] Kouenji No Hi Nichijou (Dream C Club) [Digital]

[Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Ohayou! Seitokaichou Miyazawa-kun [Digital]

[Dennou Denpa Kenkyuusho (Harukaze Koucha)] Kansaiteki Iinchou Nishi Kara Kita Iinchou... (ToHeart)

(Futaket 12) [datsuryoku kenkyuukai (Kanbayashi Takaki)] Futanari Joshi to Gyaku Anal Gakkou Seikatsu

[Newtype Kenkyuujo (Kotowari)] Ichiban image video ga niau kan (Kantai Collection -KanColle-) [Chinese] [无毒汉化组] [Digital]

(C77) [Kaientai (Shuten Douji)] Fellatio F Club (Dream C Club)

[Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Shuuchi Hoshuu [Digital]

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

NeuTRal Actor

(Mou Nanimo Kowakunai 29) [Shadan Katsudoh (Kyuusuikei)] Fellatiosaurus VS Mahou Shoujo Chuuhen (Puella Magi Madoka Magica)

[Kuromahou Kenkyuujo (Nukaji)] Sensei to bushitsu de [Digital]

[Wagashi Kenkyuukai (Monaka, Suzuki)] Mitsu to Tadagoto (Sengoku Basara)

(C86) [Naruto Kenkyu Sha (Hisakabe Oto)] Hizamakura de Gohoubi (Dream C Club)

Nyancology 7 -Kitsunegawa Kon to Himitsu no Kenkyujo-

(C73) [Kaiten Sommelier (13.)] 20 Kaiten Shiritsu Risshin Gakuen Gijutsu Kenkyuukai ~Zenritsusen Massage to Koumon Aibu.

(C78) [Kurage Kenkyuusho (Chouchin Ankou)] Battle for the Planet of the Hams -EPISODE4- (Hamtaro)

(Kouroumu 13) [Kuromahou Kenkyuujo (Nukaji)] Reitaisai Off-Pako (Touhou Project)

[Wakana Hanabi] Hatsukoi to Fellatio to Seiin

[Zonda] Fellatio Kenkyuubu Ch.4 (COMIC Mugen Tensei 2022-06) [Chinese] [瓜皮汉化] [Digital]

Ugai Tearai Fellatio desu

[Matsumoto Drill Kenkyuujo (Drill Eternal, NAGANOON, Nasu)] Houkago ○○ Time (K-ON!) [Digital]

(Houraigekisen! Yo-i! 43Senme) [Newtype Kenkyuujo (Kotowari)] Manatsu no 14-bankan (Kantai Collection -KanColle-)

Fellatio Suarus VS Mahou Shoujo Zenpen

Tickle Seijin ni Yoru Kusuguri Energy Kenkyuu Report

Hatsukoi to Fellatio to Seiin

(C67) [Matsumoto Drill Kenkyuujo (NAGANOON, Nasu)] DRILL IMPULSE (Mobile Suit Gundam SEED)

Rika no Kenkyuushitsu ~Sponsor Dai Boshuu no Maki~

(C82) [Saikasou Seiteki Shoudou Kenkyuukai (Various)] Boku no Kangaeta Saikou no Loli Babaa

(C97) [Initiative (Fujoujoshi)] Ugai Tearai Fellatio desu (Fate/Grand Order) [Chinese] [裁缝王个人汉化]

Ochiba Nikki Another Page

[DISTANCE] Musume to Chichi no KETSUMATSU ~Miyuki no Second Fella Nikki~ | Daughter and Father Marriage - Miyuki's Second Fellation Diary [English]

[Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Kamikirimushi

Ochiba Nikki Another Page2

(C83) [Matsumoto Drill Kenkyuujo (Naganoon)] Kuronamisan Nimo Pokapoka Shite Moraitai (Neon Genesis Evangelion)

[Naruto Kenkyu Sha (Hisakabe Oto)] Pro Status (Dream C Club) [Digital]

(C86) [Minori Kenkyuujo (Minori Kenshirou)] Roshutsu Joshi

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

(Houraigekisen! Yo-i! 63Senme) [Newtype Kenkyuujo (Kotowari)] Namidame ga Kawaii Kakure Kyonyuu no Uchi no Hishokan (Kantai Collection -KanColle-)

Kenkyuu Seika

Nurunuru Fellation Summer