[Newtype Kenkyuujo (Kotowari)] Hajimete no Kuchikukan Kai (Kantai Collection -KanColle-) [Digital]
Mika Kenkyuussho | 미카연구자너
(COMITIA122) [Masuda (Masuda)] Masuda Kenkyuushitsu Gendai Pura-Kikagaku I
[Takurou] Rica no Kenkyuushitsu ~Chiteki na Rikeijo no Seitai~ [Chinese]
(Japariket) [Kuromahou Kenkyuujo (Nukaji)] Koubi no Shikata o Oshiete (Kemono Friends)
(CT23) [Kuromahou Kenkyuujo (wizakun)] Teitoku Shuuri shite Mutsu + Ushio (Shoushou) (Kantai Collection -KanColle-)
[Raijinkai (Haruki Genia)] Jintoku No Kenkyuu 1.5
Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record
(J.GARDEN 31) [Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Soremade to Korekara | Until Then and from Now On [English] [alparslan]
[Newtype Kenkyuujo (Kotowari)] Hi-Hi-Hi-! Fu-Fu-Fu-! (Touhou Project) [Digital]
(C72) [Kaiten Sommelier (13.)] 20 Kaiten Shiritsu Risshin Gakuen Gijutsu Kenkyuukai ~Zenritsusen Massage to Koumon Aibu.
[NAVY (Kishuu Chokkou)] Fellatio no Ehon Soushuuhen Vol. 1 (Various) [Digital]
Chaldea Fellatio Benjo Matome
[toxic (Sun)] Barnaby Brooks Jr. no Kenkyuu (TIGER & BUNNY) [Digital]
[Kuromahou Kenkyuujo (Nukaji)] Shuujuu Gyakuten (Touhou Project) [Digital]
Jintoku No Kenkyuu 6
Kenkyuu Koumoku: Seishoku Koui
[Takurou] Rika no Kenkyuushitsu Report File Choujin ni Naru X (COMIC HOTMiLK 2014-01) [English] [Crystalium]
Kuuruna Ane wa Posokoshi Kenkyuuin!! - My Cool Elder Sister Is a Worn-out Article Boffin!!
[Black Megane Kenkyuujou] Lamia ni Marunomi Sareru dake no Hon [English] [CrayZayJay]
NeuTRal Actor 3
[Dokudenpa Kenkyuusho (水野美紀,裕木なえ吉)] 毒電波通信 (Bishoujo Senshi Sailor Moon)
[Kotodama Kenkyuukai] Kyuuseishu Kyuuseichou (Death Note)
[Naruto Kenkyu Sha (Hisakabe Oto)] Pro Status (Dream C Club) [Digital]
(Mou Nanimo Kowakunai 2) [Newtype Kenkyuujo (Kotowari)] Twin Satellite! (Puella Magi Madoka Magica)
Nijiiro no Kenkyuu | 虹色的研究
(SC56) [Ajisaidenden (Kawakami Rokkaku, Takanashi Rei)] Kazamori Hakase no Chotto Ecchi na Kenkyuu ~Kouhen~ (UN-GO) [Chinese] [沒有漢化]
(C85) [Minori Kenkyuujo (Minori Kenshirou)] Geroko-chan to Chikubiko-chan
[Raijinkai (Harukigenia) Jintoku no Kenkyuu 02 (original)
Kusuguri Egao Kenkyuu
(COMIC1☆20) [Neko-bus Tei (Shaa)] Natsu Yasumi no Saimin Jiyuukenkyuu (THE iDOLM@STER: Shiny Colors)
Koi to Sakura | Love and Cherry Blossoms
[Kuromahou Kenkyuujo (Nukaji)] Bungeibu no Asaren | Literary club's morning training [English] [DrunkenWeeb] [Digital]
Ochiba Nikki Another Page
[JON (Chupimaro)] Netto! Fellatio Koshien [Digital]
[Oishii Udon (Ocza)] Kenkyuu Seika (Atsumare Fushigi Kenkyuubu)
Futanari Joshi to Gyaku Anal Gakkou Seikatsu
Fellatio Queen Reiko no Nichijou
[Daichiken] 7 Sho no Are (Fate/Grand Order)
(C85) [Matsumoto Drill Kenkyuujo (Naganoon)] ChitoChiyo Shimai no Unyou ni Tsuite (Kantai Collection -KanColle-) [English] {doujins.com}
OwnWill Boku ga Atashi ni Natta Toki #2 Fellatio
[Konohana] Naisho no Jikan (COMIC Megastore 2009-04) [Chinese]
(SHT2013 Haru) [Newtype Kenkyuujo (Kotowari)] Sayaka-san to Kyouko-san (Puella Magi Madoka Magica)
Fellatio mo Gokkun mo Kami Koki mo Bukkake mo Yurushite Kureru Toi Kuchi En Kaori-chan
[Naruto Kenkyu Sha (Hisakabe Oto)] Hizamakura de Gohoubi (Dream C Club) [Digital]
(C88) [Choujikuu Yousai Kachuusha (Denki Shougun)] Girl-chan Kenkyuuchuu (Splatoon) [English] [Glittering Translations]
[Inokashira Kenkyuusho] Zakkichou 2004 Natsu
(C91) [SANDWORKS (Suna)] Shiburin Kenkyuu suru (THE IDOLM@STER CINDERELLA GIRLS)
(C64) [Jiyuu Shuppan Kenkyuusho, Sakura Karashi Mentaiko (Hiraki Naori, Kai Kousen)] Mariasama Ga Miteru (Maria-sama ga Miteru)
(C97) [Fujiyuu Kenkyuu (Akai Kagerou)] Fuyuko ni Sukebe na Jidori o Okutte Kure to Tanomu Hon (THE iDOLM@STER: Shiny Colors) [Chinese] [吸住没碎个人汉化]
(SC33) [Newtype Kenkyuujo (Kotowari)] Elementaler Confusion Obscenity (Emil Chronicle Online)
SLUT Saibou -Ochita Kenkyuuinn-
(C94) [LRIG Lab (Various)] Saraba LRIG Kenkyuu Nisshi Heisei Saigo no Natsugou (selector infected WIXOSS)
Furachinaru
[Wakana Hanabi] Himawari Ichiga (Hatsukoi to Fellatio to Seiin) [English] [Flatopia + Team Koinaka]
(Futaket 12) [datsuryoku kenkyuukai (Kanbayashi Takaki)] Futanari Joshi to Gyaku Anal Gakkou Seikatsu
Onaho Kenkyuubu! 1.11 | 飞机杯研究部
Ore no Shinyuu wa Nani Nani ka ga Okashii | My Best Friend's Kinda Weird
Otokonoko HEAVEN Vol. 57
(C90) [Neko wa Manma ga Utsukushii (Hisasi)] Erina-sama no Renai Kenkyuukai. | Erina-sama's Love Laboratory. (Shokugeki no Soma) [English] [Royal_TL]
Rika no Kenkyuushitsu | Rika's Laboratory Ch. 1-5
[Slow Onanie Kenkyuukai] [Nemunemu]Yukkuri Shiteitte ne[Chinese][刷牙子汉化]
Gendai Koufuku Kenkyuukai
(C70) [Matsumoto Drill Kenkyuujo (Naganoon)] Tamani wa nai no mo ii janai (Utawarerumono)
Tsurupeta Kenkyuu Tokubetsu Houkokusho ~Artbook of Hirohiroki
JS Kenkyuukai | JS Research Seminar
Bitch o Otosu Niha
(C93) [Minori Kenkyuujo (Minori Kenshirou)] Pouty Pukey Smile [Chinese] [沒有漢化]
[Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Boku ga Shihai Suru Senpai [Digital]
[Ijou Nouryoku Kenkyuukaihatsu Kikou (Various)] Inousha Shoujo Kesson Goudou [Digital]
[Newtype Kenkyuujo (Kotowari)] 17th (Kantai Collection -KanColle-) [Digital]
(C91) [Nanashimushi Land (Nanashimushi)] Onaho Kenkyuubu! 1.11 | 飞机杯研究部 [Chinese] [黄记汉化组]
Cosplay Roshutsu Kenkyuukai Complete ban
(Houraigekisen! Yo-i! & Gunreibu Shuho Goudou Enshuu 3Senme) [Newtype Kenkyuujo (Kotowari)] Ichiban Image Video ga Niau Kan (Kantai Collection -KanColle-)
(C82) [Saikasou Seiteki Shoudou Kenkyuukai (Various)] Boku no Kangaeta Saikou no Loli Babaa
(C94) [Minori Kenkyuujo (Minori Kenshirou)] Jitsuzai Hisesshoku Shoujo Junbigou [Chinese] [沒有漢化]
(C78) [Yo wa Okazu wo Shomou Shiteoru (Shian)] Onna Kenkyuuin no Ijou na Aijou
[Newtype Kenkyuujo (Kotowari)] Ichiban HiAce ga Niau Kan (Kantai Collection -KanColle-) [Digital]
Fellatio girl illustrated book 3
(C88) [Choujikuu Yousai Kachuusha (Denki Shougun)] Girl-chan Kenkyuuchuu (Splatoon)
(C88) [Eroquis! (Butcha-U)] DELIGHTFULLY FUCKABLE AND UNREFINED FELLATIO DAY! [Chinese] [胆小的深绘里汉化]
Nurunuru Fellation Summer
[Tanpopo Suisan+Ziggurat (INAGO)] Natsuyasumi no Jiyuu Kenkyuu Riko Choukyou 2-kaime ~Yagai de Zecchou Sasete Miyou!~ [Full Colour Version] [English] [xinsu]
(C70) [Dennou Denpa Kenkyuusho (Harukaze Koucha)] Nishi Kara Kita Iinchou... ni (ToHeart)
[Nyoninka Kenkyuujo (milda7)] Shin Kyousei 5-nen Make
[Jairou] Nanika Ayashi Eizou Kenkyuu-bu Scene:00 Noa-san no Nyuubu-shiki | Something Unusual About This Film Studies Club - Scene:00 Noa-san's Welcome Party (COMIC MILF 2017-08 Vol. 37) [English] [Digital]
[Zenra QQ] Fellatio Kouhai, Otouto ni naru [English] [Yuuchen]
(C75)[Matsumoto Drill Kenkyuujo] Korega Sekai no Hizumida (Mobile Suit Gundam 00)
[Hijouguchi (DARKSIDE-G, TEI-OH-K-TAKAMURO)] Futanari Seitaikougaku Kenkyuusho (Ragnarok Online) [Digital]
[MALL Kenkyuujo (mallta)] Yuiga Dokusen! (THE IDOLM@STER CINDERELLA GIRLS) [Digital]
Gekkan Web Otoko no Ko-llection! S Vol. 62
(C82) [Minori Kenkyuujo (Jikken Shirou)] Outo Switch [English] [LWB + Anon]
Fellatio Suarus VS Mahou Shoujo Zenpen
Onaho Kenkyuubu! 1.11+2
(Shota Scratch 10) [Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Uremomo
Inchuu no Naedoko
[Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Bitch o Otosu Niha [Chinese] [CE家族社] [Digital]
(C88) [Matsumoto Drill Kenkyuujo (Naganoon, Kazumi Yoshiyuki)] Hare Tokidoki Teekyuu Kai (Teekyuu)
DELET PLEASE
(C82) [datsuryoku kenkyuukai (Kanbayashi Takaki)] Futama Byutsu (Smile Precure!)
(C87) [Nightmare Express -Akumu no Takuhaibin-] Yokubou Kaiki Dai 511 shou -Kyokujou★Shota Zenritsusen Goumon Kenkyuusho・Shounen ShaseiKei-
[gallery walhalla (Kanoe)] Tateba Sokuhame Suwareba Fellatio Aruku Sugata wa Roshutsu Play (Battle Girl High School) [Digital]
[Hiiro no Kenkyuushitsu (Hitoi)] Ochiba Nikki [Digital]
Seitai Kenkyuu no Theme wa Boku no Mama? Nakama-tachi to Sensei to no Natsu no Kyoudou Gakushuu
[Anyakunin] Efu no Hon - Fellatio
[Kuromahou Kenkyuujo (Nukaji)] Joshi - Seiri ga Kitemo Nakadashi wo Kotowarenai JS Mei [Digital]
[DL Mate] Joushiki Henkan Appli ~ Namaiki na Imouto ni Shikou wo Kakikaete Juujun Fellatio Houshi Sasete Mita
[Tanaka Decilitre] Akira-kun Kenkyuu Report | Akira-kun's Lab Report (Bessatsu Comic Unreal Nyotaika H wa Tomerarenai Vol. 1) [English] [desudesu] [Digital]
N Zukan ~Fellatio Hen 2~
[Zenra QQ] Fellatio Kouhai, Otouto ni naru
[Kuromahou Kenkyuujo (Nukaji)] Reitaisai Off-Pako (Touhou Project) [Digital]
Onaho Kenkyuubu! 2 | 飞机杯研究部2
Hatsukoi to Fellatio to Seiin
[Mizone] Jitsuroku! Koumori Onna-tachi no Hanshokuki | The Secret Mating Habits of the Batgirl (Comic Anthology QooPA Vol. 09) [English] [PSYN] [Digital]
(C70) [Matsumoto Drill Kenkyuujo (Naganoon)] Tamani wa nai no mo ii janai (Utawarerumono) [Chinese] [无毒汉化组] [Decensored]
Fellatio Kenkyuubu | Fellatio Fesearch Department Ch. 1
[Zonda] Fellatio Kenkyuubu Ch. 2 | Blowjob Research Club Ch. 2 (COMIC Mugen Tensei 2021-07) [Chinese]【羅莎莉亞漢化】
Kyonyuu Seijo to Ouhi ga Noukou na Shitawaza de Kurikaeshi Nuite Kureta Ato ni Honban Sasete Kureru Fellatio Fuuzoku
[Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Ohayou! Seitokaichou Miyazawa-kun [Digital]
[Muchin] Sakura-chan no Jiyuu Kenkyuu 1 | Sakura-chan's Free Study 1 [English]
(C70) [Matsumoto Drill Kenkyuujo (Naganoon)] Tamani wa nai no mo ii janai (Utawarerumono) [English] [desudesu]
[Raijinkai (Haruki Genia)] Jintoku No Kenkyuu 02
[Dennou Denpa Kenkyuusho (Harukaze Koucha)] Onee Shota Tama : Onesho
Rica no Kenkyuushitsu ~Chiteki na Rikeijo no Seitai~
(C80) [Matsumoto Drill Kenkyuujo] Aru Hi Dungeon kara Kaettara Guild ga Dream Nanchara ni Natteta de Gozaru (ToHeart2 Dungeon Travelers)
(COMIC1☆13) [Ijou Nouryoku Kenkyuukaihatsu Kikou (Various)] Inousha Shoujo Kesson Goudou
(C87) [Minori Kenkyuujo (Minori Kenshirou)] Calpis no Awa [Chinese] [沒有漢化]
[DL Mate] Joushiki Henkan Appli~ Namaiki na Imouto ni Shikou o Kakikaete Juujun Fellatio Houshi Sasete Mita | 常識轉換APP~試著將傲慢的妹妹的思想改寫之後讓她做順從口交侍奉 [Chinese]
[Matsumoto Drill Kenkyuujo] Alignment You! You!
Fellatio Queen Reiko's Daily Life
(CR37)[Matsumoto Drill Kenkyuujo, Zattou Keshiki (10mo), Touge no Ryoutya, S-FORCE(Serebi Ryousangata)] Shio Hato (ToHeart 2)
CROSS DRAGON (Dragonaut: The Resonance) [English] [rewrite]
Adult! Fushigi Kenkyuubu
(C55) [Raijinkai (Haruki Genia)] Jintoku No Kenkyuu 7