Fellatio Kenkyu

[Suzusiro] Love Linmu Idol Kenkyuubu Sei no Urawaza (Love Live!)

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

[Kurage Kenkyuusho] Drug and Drop (ENG) =Wrathkal+Zorbius=

Adult! Fushigi Kenkyuubu

(C81) [Matsumoto Drill Kenkyuujo (Naganoon)] Mitsutsubo Injoku Settai - Hostgirl Kousaka Tamaki Dono Ana demo Goriyou kudasai - (ToHeart2)

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

(C82) [Kurage Kenkyuusho (Chouchin Ankou)] Roko-chan to Kana-chan no Ochuusha Enkou Video (Hamtaro)

(SC2017 Summer) [Ninokoya (Ninoko)] Shoujo Kaishun -Kyuushoku no Jikan- Fellatio Hen [Chinese] [转尾巴猫汉化]

maddosaientisuto wa joshu no karada o midara ni kenkyu shitai | 疯狂科学家想要对助手小姐的身体做淫乱研究

(C86) [Minori Kenkyuujo (Minori Kenshirou)] Roshutsu Joshi | Exhibitionist Girl [English]

(C91) [Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Kuso Bitch o Otosu ni wa [Chinese] [瑞树汉化组]

Kenkyuu Koumoku_ Seishoku Koui

(Akatsuki no Utage 1) [Newtype Kenkyuujo (Kotowari)] Kakuji Toshokan Gakushuu (Touhou Project)

[Nyoninka Kenkyuujo] Kyousei Nyotaika Ani [Chinese] [不咕鸟汉化组]

Fellatio Kenkyuubu Ch. 3

(Kouroumu 7) [Newtype Kenkyuujo (Kotowari)] Futo-chan no Futomomo Surisurishi-tai (Touhou Project)

[Zonda] Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [Sloppy Seconds] [Digital]

[Zonda] Fellatio Kenkyuubu - Fellatio Research Department | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [CrinkzScans] [Digital]

[Matsumoto Drill Kenkyuujo] maMAmama! [English] [Decensored] [Otokonoko Scans]

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

(C70) [Matsumoto Drill Kenkyuujo (Naganoon)] Tamani wa nai no mo ii janai (Utawarerumono) [English] [desudesu]

[Newtype Kenkyuujo (Kotowari)] Osoisou de Osouwanai Sukoshi dake Osou KyouSaya Bon (Puella Magi Madoka Magica) [Digital]

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

[Newtype Kenkyuujo (Kotowari)] Hi-Hi-Hi-! Fu-Fu-Fu-! (Touhou Project) [Digital]

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

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

[Jiyuu Shuppan Kenkyuusho Mentaiko Kei] MENTAIKO COLLECTION KEES

Danjon de Ayashi Kenkyusha ni Ayashi Maho ni Kakerarechau Bokensha chan

(C88) [Matsumoto Drill Kenkyuujo (Naganoon, Kazumi Yoshiyuki)] Hare Tokidoki Teekyuu Kai (Teekyuu)

(C70) [Maruno Keikaku (Marunosuke)] Jiyuu Kenkyuu

[Kuromahou Kenkyuujo (Nukaji)] Shinyuu wa Imouto no Kareshi [Digital]

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

(C92) [Minori Kenkyuujo (Minori Kenshirou)] Chiisana Puffy 1 | Little Puffies 1 [English] =LWB=

(C76) [Newtype Kenkyuujo (Kotowari)] Fuujin Hishou Re・ACT (Touhou Project)

Nekketsu! Occult Kenkyuubu

(C72) [Kaiten Sommelier (13.)] 20 Kaiten Shiritsu Risshin Gakuen Gijutsu Kenkyuukai ~Zenritsusen Massage to Koumon Aibu.

[Kuromahou Kenkyuujo (wizakun)] Kiseki no Sekai (Touhou Project) [Digital]

Fellatio Iinchou | Blowjob President

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

(C92) [Newtype Kenkyuujo (Kotowari)] MTY (Kantai Collection -KanColle-)

(SC56) [Ajisaidenden (Kawakami Rokkaku, Takanashi Rei)] Kazamori Hakase no Chotto Ecchi na Kenkyuu ~Kouhen~ (UN-GO) [English] [biribiri]

SWEET COHABITATION

(C82) [Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Shikotama! [English]

(C84) [Newtype Kenkyuujo (Kotowari)] Yumemi Gokoro (Touhou Project)

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

[LEYMEI] Ochita Tenshitachi no Zanei ~ The traces of fallen angels

Yumi to Ofuton no Naka de Ichaicha Suru Hon

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

[Kuromahou Kenkyuujo (Nukaji)] Joshi - Seiri ga Kitemo Nakadashi wo Kotowarenai JS Mei [Digital]

[Kuromahou Kenkyuujo (wizakun)] Touhou Enquête Relay @ Chikashitsu (Touhou Project)

[Wakana Hanabi] Hatsukoi to Fellatio to Seiin [Digital]

Sensei no Kenkyuu Vol. 1

(Shuuki Reitaisai 4) [Studio P.M.Y (Mikarin)] Ecchi na Kenkyuu Koishi-chan no Baai (Touhou Project)

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

(COMIC1☆13) [KINOKONOMI (konomi)] Nyancology 7 -Kitsunegawa Kon to Himitsu no Kenkyujo-

[Kuromahou Kenkyuujo (Nukaji)] Reitaisai Off-Pako 2 Remilia Cos no Ko to Private Satsueikai Shichaimashita (Touhou Project) [Digital]

[Paragasu] Abunai! Mahou Kenkyuu | 危险! 魔法研究 (COMIC Unreal 2016-02 Vol. 59) [Chinese] [无毒汉化组]

[Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Meshimase Houkago Otokonoko! [Digital]

Masuda Kenkyuushitsu Gendai Pura-Kikagaku I

Natsuyasumi Kids wa Kozukuri Kenkyuuchuu

(CR35)[Matsumoto Drill Kenkyuujo] Noubaku Gehinna Onii-chan 1

Shisai Elf-san no Fellatio

[Nyoninka Kenkyuujo (milda7)] Onna ni Sareta Yuusha Rya [Chinese] [有条色狼汉化]

sweet make out

[Raijinkai (Haruki Genia)] Jintoku No Kenkyuu 3

Fellatio mo Gokkun mo Kami Koki mo Bukkake mo Yurushite Kureru Toi Kuchi En Kaori-chan

[Matsumoto Drill Kenkyuujo] maMAmama! [Digital]

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

(C86) [Minori Kenkyuujo (Minori Kenshirou)] Roshutsu Joshi [Chinese] [個人漢化] [Decensored]

(C84) [Minori Kenkyuujo (Minori Kenshirou)] Haisen Girl [English] [LWB + LoliLoli Hunters]

(Houraigekisen! Yo-i! 3Senme!) [Kuromahou Kenkyuujo (wizakun)] Shinkai Yori (Kantai Collection)

[Naruto Kenkyu Sha (Hisakabe Oto)] SWEET NURSING Full Version (THE IDOLM@STER CINDERELLA GIRLS) [Digital]

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

Kenkyuu Koumoku: Seishoku Koui

(C94) [Sniff Dogs (Ujiie Moku)] Pedoou to JS Anal Kenkyuukai (Ryuuou no Oshigoto!)

(C91) [Naruto Kenkyu Sha (Hisakabe Oto)] Producer-san wa Boku no Koto dake Mite ireba Iindesu (THE IDOLM@STER CINDERELLA GIRLS)

Ase to Namida to Ketsubat

(COMIC1☆3) [Matsumoto Drill Kenkyuujo (Various)] TH2 Soushuuhen (ToHeart2)

Gendai Koufuku Kenkyuukai

[Nyoninka Kenkyuujo (milda7)] Nyotaika Shiiku

[Takurou] Rika no Kenkyuushitsu ~Sponsor Dai Boshuu no Maki~ (COMIC HOTMiLK 2015-01) [Chinese] [黑条汉化]

[Ao Banana] Kozue Ganbaru (COMIC Shitsurakuten 2016-12) [Chinese] [丧尸汉化]

(C80) [Digital Accel Works] INAZUMA Jiyuu Kenkyuu (PreCure)

Ochiba Nikki Another Page

(CT25) [Kuromahou Kenkyuujo (wizakun)] Akatsuki-chan niwa Mada Hayai - Too Young to Know for Akatuki (Kantai Collection -KanColle-)

[Kuromahou Kenkyuujo (Nukaji)] Mesugaki Succubus o Wakaraseru | Getting To Know a Young And Horny Succubus [English] {Doujins.com} [Digital]

Hatsukoi to Fellatio to Seiin

[Zenra QQ] Fellatio Kouhai, Otouto ni naru [Chinese] [空想少年汉化]

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

[Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Kamikirimushi [English]

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

[Kuromahou Kenkyuujo (Nukaji)] Bungeibu no Asaren [Digital]

(AC2) [Kinokonomi (konomi)] Nyancology 10 -Usami-san to Himitsu no Kenkyuu Seikatsu-

CRUSHERS 2

Ochiba Nikki

[Ran] Mobu Shu Zentei Ashi Shu Manga (Mikansei Genkō)

(SC56) [Ajisaidenden (Kawakami Rokkaku, Takanashi Rei)] Kazamori Hakase no Chotto Ecchi na Kenkyuu ~Kouhen~ (UN-GO)

Shikkoku no Dekachin ni Netorareta Hitozuma 10nin no Fellatio Zukan&ShousaiKeii

(C88) [Kuromahou Kenkyuujo (Nukaji)] SheStar! Imouto ga Kawaikatta node Karada o Notto tte Jii shitemita Kekka (Charlotte)

[Akitarainu (Chakkaman)] Juukan Shussan Kenkyuu (Touhou Project) [English] [ARMAE] [Digital]

Fellatio Anthology Kouin Ojoku

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

(C87) [Kuromahou Kenkyuujo (wizakun)] Issho ni Iko (Kantai Collection -Kancolle-)

Clitoris o Shokushu deki?! to suru Yatsu no Kenkyuu

[Chounyuu Kenkyuushitsu (Ishioto)] Zemuriya Report [English] {bewbs666} [Digital]

[Kuromahou Kenkyuujo (Nukaji)] Hisashiburi ni Jikka ni Kaettara Oi to Mei ga Seikou Suru Naka ni Natte Ita (Digital)

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

[Newtype Kenkyuujo (Kotowari)] Kekkon Kakko Ten (Touhou Project)

Futanari Kenkyuu Dousoukai | Futanari Research Club

NeuTRal Actor 3

[Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Ore wa Kawaii Onnanoko [English] [mysterymeat3] [Digital]

[Konohana] Naisho no Jikan (COMIC Megastore 2009-04) [Chinese]

[Zonda] Fellatio Kenkyuubu Ch.4 (COMIC Mugen Tensei 2022-06) [Chinese] [无修至上主义重嵌] [Colorized] [Decensored] [Digital]

NeuTRal Actor3

For Love ~Kasuga~ | Fellatio no Ehon Soushuuhen 2

(C94) [Hiiro no Kenkyuushitsu (Hitoi)] NeuTRal Actor [Chinese] [无毒汉化组]

Sensei no Kenkyuu 01-05

NeuTRal Actor3

(C90) [Neko wa Manma ga Utsukushii (Hisasi)] Erina-sama no Renai Kenkyuukai. (Shokugeki no Soma) [Chinese] [空気系☆漢化]

[Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Meshimase Houkago Otokonoko! [English] [mysterymeat3] [Digital]

Bunnyue no Fellatio

[RINARINA (Shima Mitsuru)] Imouto Kenkyuu Nisshi 4 (Sister Princess)

HYBRID Kanshu Kuubo Wo-kyuu Kenkyuu Kiroku

[Zenra QQ] Fellatio Kouhai, Otouto ni naru

Otokonoko Pretty Boy Stuck His Dick in a Reverse Fellatio Box

(Kouroumu 4) [Newtype Kenkyuujo (Kotowari)] Tenshi no Kaikata Shitsukekata (Touhou Project)

[Hroz] Succubus no Ningen Kenkyuu

[Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Iinchou ga Ore Tachi no Tame ni Chou Ganbatte Kureru Hon [Digital]

[Sekai Kakumei Club (Ozawa Reido)] Mesubuta no Bunbenyuuki ni Kansuru Kenkyuu (KiMiKiSS)

(C91) [SOUND MILK (Otochichi)] Mahou Tsukai Sakusei Kenkyuu (Mahou Tsukai Precure!)

[Hiiro no Kenkyuushitsu (Hitoi)] Ochiba Nikki Another Page [Digital]

(C70) [Matsumoto Drill Kenkyuujo (Naganoon)] Tamani wa nai no mo ii janai (Utawarerumono) [Chinese] [无毒汉化组] [Decensored]

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

[bose no Doujin Manga Kenkyuujo (bose)] Kankaku no parafiria ~ nikushokukei JK tachi ni chippo no kankaku o shihaisaretara ~ [Chinese] [輝夜漢化]

[NAVY (Kisyuu Naoyuki)] Okuchi no Ehon -Honsai wa Waga ja !- | Mouth's Picture book -The true wife is me-! (Fellatio no Ehon Soushuuhen Vol. 2) (Sekirei) [English] =Wrathkal+EZRewriter= [Digital]

Rica no Kenkyuushitsu ~Chiteki na Rikeijo no Seitai~

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

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

OwnWill Boku ga Atashi ni Natta Toki #2 Fellatio

(C92) [LRIG Lab (Various)] LRIG Kenkyuu Nisshi 2017 Natsugou (WIXOSS)

Kiiro no Kenkyuu