Fellatio Kenkyu

[Nusmusbim] Kuuruna Ane wa Posokoshi Kenkyuuin!! - My Cool Elder Sister Is a Worn-out Article Boffin!! (ANGEL CLUB 2019-11) [English] [SakuLENS] [Digital]

Soremade to Korekara | Until Then and from Now On

[Kotobuki Mairo] Clijo AV Kenkyuukai (COMIC Kuriberon DUMA 2021-11 Vol. 30) [Chinese] [cqxl自己汉化]

Adult! Fushigi Kenkyuubu 6

(C87) [Nightmare Express -Akumu no Takuhaibin-] Yokubou Kaiki Dai 511 shou -Kyokujou Shota Zenritsusen Goumon Kenkyuusho・Shounen ShaseiKei- [Chinese] [瑞树汉化组]

Tickle Seijin ni Yoru Kusuguri Energy Kenkyuu Report

Erina-sama no Renai Kenkyuukai | Gli Esperimenti D'amore di Erina

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

[Takurou] Rika no Kenkyuushitsu Report File Choujin ni Naru X (COMIC HOTMiLK 2014-01) [English] [Crystalium]

N Zukan ~Fellatio Hen~

(C68)[Matsumoto Drill Kenkyuujo] Komakin (ToHeart 2)

(C79) [Newtype Kenkyuujo (Kotowari)] Toramaru 4! (Touhou Project)

(C86) [Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho 009

(Mou Nanimo Kowakunai 2) [Newtype Kenkyuujo (Kotowari)] Twin Satellite! (Puella Magi Madoka Magica)

(C77) [Matumoto Drill Kenkyuujo (Naganoon, Nasu)] Manaka de Iku no? (ToHeart 2)

(C95) [INSERT (KEN)] Boku dake no Bakunyuu Ona-maid Dai Ninki Bakunyuu Fellation Idol Fuuzoku Taikenki Shinsaku CG Shuu -Taikenban-

COMIC MUJIN 2010-02

(Shota Scratch 13) [Datsuryoku Kenkyuukai (Kanbayashi Takaki)] SeiGi no Mikata Vol. 2

[hal] Dokuritsu Fuki (Daienjou -Ikare Ikasare Iki Ikare-) [English] [CGrascal]

[Kuromahou Kenkyuujo (Nukaji)] Sei ni Kyoumi ga Detekita Otouto ni Jikan Teishi Appli o Ataete Mita [Digital]

(C87) [Minori Kenkyuujo (Minori Kenshirou)] Calpis no Awa [Chinese] [沒有漢化]

(C84) [Minori Kenkyuujo (Minori Kenshirou)] Haisen Girl

[bose no Doujin Manga Kenkyuujo (bose)] Jikan no Majo 3 ~Eroi Onee-san ni Jikan Teishi Sarete Tokoton Iroiro Sarechau Ohanashi~[Chinese] [bn個人漢化]

[Newtype Kenkyuujo (Kotowari)] Kanojyoga Flag Ship wo Makasaretara (Kantai Collection -KanColle-) [Digital]

Natsuyasumi no Jiyuu Kenkyuu Riko Choukyou 3-kaime

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

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

Erina-sama no Renai Kenkyuukai.

Chounyuu Gakuen | Academy For Huge Breasts Ch. 1-6

CRUSHERS 2

(C91) [Neko wa Manma ga Utsukushii (Hisasi)] Erina-sama no Renai Kenkyuukai. 2 (Shokugeki no Soma)

(C87) [Minori Kenkyuujo (Minori Kenshirou)] Calpis no Awa | Soda Bubbles [English] =LWB=

Clijo AV Kenkyuukai

Kouchou Sensei no Houkago Jiyuu Kenkyuu Kyonyuu JK o Jupujupu Nuponupo Chousachuu ~Juujun na Bukatsu Shoujo Hen~

[R-9 no Kenkyuushitsu (R-9)] Magic Magic Magic Cha^3 (Akazukin Chacha)

(C94) [Kuromahou Kenkyuujo (Nukaji)] Watashi mo Chiisaku Narimashita (Dragon Quest XI)

Fellatiosaurus VS Mahou Shoujo Zenpen

(COMIC1☆6) [Ajisaidenden (Kawakami Rokkaku, Takanashi Rei)] Kazamori Hakase no Chotto Ecchi na Kenkyuu (UN-GO) [Chinese] [沒有漢化]

[Nyoninka Kenkyuujo (milda7)] Josou Dorei Gakuin - Sodomized Feminized Mazo Teacher

[Blmanian] Beropi | Tongue Piercing (Se-Syun Sakari) [English] [desudesu]

[Benii Kenkyuujo] Jitsubo Dairi Shussan~Shirakawa Yuuka no Baai~Kouhen

Ore wa Kuzu dakara koso Sukuwareru Kenri ga Aru!

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

Anedeshi Kenkyuukai

(COMIC1☆11) [Showa Saishuu Sensen (Hanauna)] Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record (Hyouka) [English] [Doujins.com]

[Hiiro no Kenkyuushitsu (Hitoi)] Ochiba Nikki [Chinese] [無邪気漢化組] [Digital]

Shibo Sei Gakuen Fellatio-Bu

[Nyoninka Kenkyuujo(milda7)] chijyoku no jyocyaku jyosou

(CT22) [Kuromahou Kenkyuujo (wizakun)] Te-toku Shu-ri shite (Kantai Collection -KanColle-) [Chinese] [靴下汉化组]

[Jiyuu Shuppan Kenkyuusho] Kanon (Kanon)

[Newtype Kenkyuujo (Kotowari)] Juunana Kuchikutai no Hime Hajime (Kantai Collection -KanColle-) [Digital]

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

[Kotodama Kenkyuukai] Otokonoko wa Tsuraiyo -Accident Core hen- (Guilty Gear)

(Sono Gyouji wa Hitsuzen 4) [LRIG Lab (Various)] LRIG Kenkyuu Nisshi 2016 (WIXOSS)

Vacuum Fellatio DOPEWWW! vol.2

[Ijou Nouryoku Kenkyuukaihatsu Kikou (Various)] Inousha Shoujo Kesson Goudou [Digital]

[Nyoninka Kenkyuujo] Onna Ni Sareta Yuusha Rya [Re-Ordered]

(C91) [Neko wa Manma ga Utsukushii (Hisasi)] Erina-sama no Renai Kenkyuukai. 2 | Erina-sama's Love Laboratory. 2 (Shokugeki no Soma) [English] [Royal_TL]

[Kokonoki Nao] Virgin

[Black Megane Kenkyuujo] Marunomi no Mori

(SC31)[Matsumoto Drill Kenkyuujo] Kasukabe-san-tte Iindesuyo (ToHeart 2)

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

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

(C89) [EX35 (Kamaboko RED)] Kenkyuujotte Nani Suru Tokoka Shittemasuka? | Do You Know What They Do in a Laboratory? (Bakusou Kyoudai Lets & Go!!) [English] {Shotachan}

[Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Omoi, Omoware. [Digital]

NeuTRal Actor 3

Chaldea Fellatio Benjo Matome

(C80) [Matsumoto Drill Kenkyuujo] C80 Rakugakibon (Various)

[Matsumoto Drill Kenkyuujo] Akuochi [Chinese]

(C95) [Furaipan Daimaou (Chouchin Ankou)] drug and drop 10 (Various)

(C94) [Hiiro no Kenkyuushitsu (Hitoi)] NeuTRal Actor [English] [constantly]

(C89) [Kuromahou Kenkyuujo (wizakun)] Kyou wa Sukoshi dake Senobi o Shite Tooku o Miyou (Yotsubato!)

[Takurou] Rika no Kenkyuushitsu Report File Body Reflare DX (COMIC HOTMiLK 2014-10) [Chinese] [黑条汉化]

drug and drop 6

(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)

Hachiroku's Fellatio

(C55) [Raijinkai (Haruki Genia)] Jintoku No Kenkyuu 7

[Ijou Nouryoku Kenkyuukaihatsu Kikou (Various)] Inousha Shoujo Kesson Goudou [Digital]

[Naruto Kenkyu Sha (Hisakabe Oto)] Dream Honeymoon Night (DREAM C CLUB) [Digital]

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

[Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Switch [Digital]

(C76) [Matsumoto Drill Kenkyuujo (Various)] 15513 Kaime no Nagato Yuki (Megane Nashi Ver) (Suzumiya Haruhi no Yuuutsu)

Yumi to Ofuton no Naka de Ichaicha Suru Hon

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

(C94) [Himitsukessya Usagi (Dancyo)] Himitsukessya Usagi Kaijou Gentai Fellatio Hon (OMAKE)

Sensei no Kenkyuu 01-02

Ochiba Nikki Another Page 3

[Dennou Denpa Kenkyuusho (Harukaze Koucha)] Onesho

Ochiba Nikki Another Page 2

(C75)[Matsumoto Drill Kenkyuujo] Korega Sekai no Hizumida (Mobile Suit Gundam 00)

Himitsu no Kenkyuukai | 秘密研究会

[Tohgarashi Hideyu] Dokidoki Jikken Note Ch. 1 (COMIC Ananga Ranga Vol. 1) [Chinese] [虎斑木菟漢化] [Digital]

(COMIC1) [SimaSima System (Nagisawa You)] Suzumiya Haruhi no Daikenkyuu! (The Melancholy of Haruhi Suzumiya) [English] [FAKKU]

Fellatio Kenkyuubu

(Akatsuki no Utage 4) [Newtype Kenkyuujo (Kotowari)] DOUBLE ACTION!! (Touhou Project)

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

Adult! Fushigi Kenkyuubu

Fellatio Queen Reiko no Nichijou

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

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

(C88) [Eroquis! (Butcha-U)] DELIGHTFULLY FUCKABLE AND UNREFINED FELLATIO DAY! [English] {thetsuuyaku}

[Takurou] Rica no Kenkyuushitsu ~Chiteki na Rikeijo no Seitai~ Ch. 1-6 [English] [Crystalium]

(C78) [Hijouguchi (DARKSIDE-G & TEI-OH-K-TAKAMURO)] Futanari Seitaikougaku Kenkyuusho (Ragnarok Online)

Fellatio Kenkyuubu Saishuuwa

(C83) [Minori Kenkyuujo (Minori Kenshirou)] Kichikubi Musume [English] [LWB + Anon]

[Newtype Kenkyuujo (Kotowari)] Ichiban HiAce ga Niau Kan (Kantai Collection -KanColle-) [Digital]

(C90) [Circle Ohigetan (Ohigetan)] Ohigebon-71 Onedori! Natsu da! Asedaku da! Muremure Fusafusa Omange da! Onee-chan Satsuei Shimakuri Natsuyasumi no Jiyuu Kenkyuu~!

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

(C94) [LRIG Lab (Various)] Saraba LRIG Kenkyuu Nisshi Heisei Saigo no Natsugou (selector infected WIXOSS)

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

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

Bitch o Otosu Niha

[Kanbayashi Takaki] Muriyari Otokonoko [Digital]

[Naruto Kenkyu Sha (Hisakabe Oto)] Atsui Natsu wa Yappari Reika da ne (DREAM C CLUB) [Digital]

Abby Kenkyuu Bon

(C86) [Matsumoto Drill Kenkyuujo (Naganoon, Kazumi Yoshiyuki)] Tone-san to Chikuma-san (Kantai Collection -KanColle-)

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

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

(CR37)[Matsumoto Drill Kenkyuujo, Zattou Keshiki (10mo), Touge no Ryoutya, S-FORCE(Serebi Ryousangata)] Shio Hato (ToHeart 2)

[Kanadzuki] Himitsu no Kenkyuukai | 秘密研究会 (COMIC GAIRA Vol. 11) [Chinese] [莉赛特汉化组]

(C94) [Hiiro no Kenkyuushitsu (Hitoi)] NeuTRal Actor [Chinese] [無邪気漢化組]

[Otani] Hachiroku's Fellatio (Maitetsu)

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

(C86) [Singleton (Azuma Yuki)] Natsuyasumi no Jiyuu Kenkyuu - Yousei no Yuuwaku 2

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

(COMIC1☆11) [Showa Saishuu Sensen (Hanauna)] Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku (Hyouka)

(C95) [Hiiro no Kenkyuushitsu (Hitoi)] NeuTRal Actor 2 [Chinese] [無邪気漢化組]

(C85) [Minori Kenkyuujo (Minori Kenshirou)] Geroko-chan to Chikubiko-chan [Chinese] [個人漢化]

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

(C77) [Tyongera Kenkyuujo (Tyongera.)] LOVE & SE'X (Fresh Precure!)

(C74) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Kakyuu Sentou In no Isshou" - Turupeta Research Report

[Matsumoto Drill Kenkyuujo (NAGANO)] Drill Grand Prix (To Heart)

Daikenkyuu

[Hiiro no Kenkyuushitsu (Hitoi)] Enkou Kanojo to Kengakukai [Chinese] [无毒汉化组] [Digital]

Département de recherche en fellations - Ch.01

[Takurou] Rika no Kenkyuushitsu Report File Choujin ni Naru X (COMIC HOTMiLK 2014-01) [Chinese] [黑条汉化] [Decensored]

(CT34) [Kuromahou Kenkyuujo (Nukaji)] Latin-kei S-kyuu Alicia-chan Jidori Nama Ona Haishin

[Muchin] Sakura-chan no Jiyuu Kenkyuu 2 | Sakura-chan's Free Study 2 [English]

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

Shiburin Kenkyuu suru | 시부린 연구한다

(C92) [Nanashimushi Land (Nanashimushi)] Onaho Kenkyuubu! 3