[toxic (Sun)] Barnaby Brooks Jr. no Kenkyuu (TIGER & BUNNY) [Digital]
[Uchida Koneri] Mama wa Fellatio Bijin!! | Mama Is A Fellatio Beauty (Tadareta Boshi no Himitsu) [English] [Fated Circle]
[Takurou] Rika no Kenkyuushitsu Ch. 1-2 [English] [Crystalium]
Fellatio Queen Reiko no Nichijou {doujins.com}
For Love ~Kasuga~ | Fellatio no Ehon Soushuuhen 2
[Kuromahou Kenkyuujo (Nukaji)] Kidoairaku (Touhou Project) [Digital]
(C88) [Kuromahou Kenkyuujo (Nukaji)] SheStar! Imouto ga Kawaikatta node Karada o Notto tte Jii shitemita Kekka (Charlotte)
(Mou Nani mo Kowakunai 26) [Shadan Katsudou (Kyuusuikei)] Fellatio Suarus VS Mahou Shoujo Zenpen (Puella Magi Madoka Magica)
[Zonda] Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [Sloppy Seconds] [Digital]
(C96) [Fujiyuu Kenkyuu (Akai Kagerou)] Fuyuko no Futumomo o Tannou Suru Hon (THE iDOLM@STER: Shiny Colors)
[Matsumoto Drill Kenkyuujo] Alignment You! You! [English] [SaHa]
[Takurou] Rica no Kenkyuushitsu ~Chiteki na Rikeijo no Seitai~ Ch. 1-6 [English] [Crystalium]
Toaru Kenkyuu Kikan no Niman Ichi-gou
Rika no Kenkyuushitsu | Rika's Laboratory Ch. 1-5
[DISTANCE] Musume to Chichi no KETSUMATSU ~Miyuki no Second Fella Nikki~ | Daughter and Father Marriage - Miyuki's Second Fellation Diary [English]
Shiburin Kenkyuu suru | 시부린 연구한다
[Hiiro no Kenkyuushitsu (Hitoi)] Mask Haishin Konoha-chan | Konoha-chan's masked live stream [English] [Lewd Rider Ero]
Nenrei Soubetsu Fellatio Review
(C87) [Kuromahou Kenkyuujo (wizakun)] Issho ni Iko (Kantai Collection -Kancolle-)
[LRIG Lab (Various)] LRIG Kenkyuu Nisshi 2017 Harugou (WIXOSS)
(C94) [Himitsukessya Usagi (Dancyo)] Himitsukessya Usagi Kaijou Gentai Fellatio Hon (OMAKE)
(C86) [Matsumoto Drill Kenkyuujo (Naganoon, Kazumi Yoshiyuki)] Tone-san to Chikuma-san (Kantai Collection -KanColle-)
(C85) [Matsumoto Drill Kenkyuujo (Naganoon)] ChitoChiyo Shimai no Unyou ni Tsuite (Kantai Collection -KanColle-)
(C89) [Kuromahou Kenkyuujo (wizakun)] Kyou wa Sukoshi dake Senobi o Shite Tooku o Miyou (Yotsubato!)
(C82) [Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Shikotama!
(C90) [Neko wa Manma ga Utsukushii (Hisasi)] Erina-sama no Renai Kenkyuukai. | Erina-sama's Love Laboratory. (Shokugeki no Soma) [English] [Royal_TL]
[Neko wa Manma ga Utsukushii (Hisasi)] Erina-sama no Renai Kenkyuukai. 2 (Shokugeki no Soma) [Digital]
(Houraigekisen! Yo-i! 25Senme!) [Newtype Kenkyuujo (Kotowari)] Ichiban Youna Tsuma ga Niau Kuchikukan (Kantai Collection -KanColle-)
Yuni Paisen no Kenkyuu
Zemuriya Report {bewbs666}
(C83) [Minori Kenkyuujo (Minori Kenshirou)] Kichikubi Musume [English] [LWB + Anon]
Yoku Shiranai Hito ni wa Youjin Shinaitone
HYBRID Kanshu Kuubo Wo-kyuu Kenkyuu Kiroku
(C94) [Rico-ba (Rico)] Onii-chan to Sex Kenkyuu [Chinese] [山樱汉化]
(C90) [Naruto Kenkyuusha (Hisakabe Oto)] Bi-SHUN (Bakuon!!)
[Newtype Kenkyuujo (Kotowari)] TOHO SCHOOL LIFE (Touhou Project)
Adult! Fushigi Kenkyuubu
[Chounyuu Kenkyuushitsu (Ishioto)] Zemuriya Report [English] {bewbs666} [Digital]
Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research
(Houraigekisen! Yo-i! 3Senme!) [Kuromahou Kenkyuujo (wizakun)] Shinkai Yori (Kantai Collection)
[Zenra QQ] Fellatio Kouhai, Otouto ni naru [English] [Yuuchen]
[Hoshizaki Hikaru] Sweet Spot Ch. 1~4 [English] [Hennojin] [Digital]
[Kuromahou Kenkyuujo (Nukaji)] Sensei to bushitsu de [Digital]
[Daichiken] 7 Sho no Are (Fate/Grand Order)
Shinkon, Mash
Bishoku Kenkyuukai no Semen Kenkyuu
(C91) [Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Kuso Bitch o Otosu ni wa [Chinese] [瑞树汉化组]
[Kuromahou Kenkyuujo (Nukaji)] Reitaisai Off-Pako 2 Remilia Cos no Ko to Private Satsueikai Shichaimashita (Touhou Project) [Digital]
[Kuromahou Kenkyuujo (wizakun)] Osoto ni Tsuretette (Touhou Project) [Digital]
Erina-sama no Renai Kenkyuukai | Gli Esperimenti D'amore di Erina
Tsurupeta Kenkyuu Tokubetsu Houkokusho ~Artbook of Hirohiroki
(C95) [Hiiro no Kenkyuushitsu (Hitoi)] NeuTRal Actor 2
[Hiiro no Kenkyuushitsu (Hitoi)] Ochiba Nikki -Natsume Nae Hen 2- [Digital] [Incomplete]
Ochiba Nikki
(C57) [Raijinkai (Haruki Genia)] Jintoku No Kenkyuu 9
[Nyoninka Kenkyuujo (milda7)] Nyotaika Shiiku
(C68)[Matsumoto Drill Kenkyuujo] Heart Faction (ToHeart 2)
(C94) [Hiiro no Kenkyuushitsu (Hitoi)] NeuTRal Actor [English] [555666777]
Yukiko No Fellatio
[Black Megane Kenkyuujou] Lamia ni Marunomi Sareru dake no Hon
[SOUND MILK (Otochichi)] Mahou Tsukai Sakusei Kenkyuu (Mahou Tsukai Precure!) [Digital]
(C94) [Rico-ba (Rico)] Onii-chan to Sex Kenkyuu [Chinese] [脸肿汉化组]
[Hiiro no Kenkyuushitsu (Hitoi)] Ochiba Nikki -Roshutsu Choukyou Hen- Omakebon
Fellatio no Tenshi - Fellatio Angel
Erina-sama no Renai Kenkyuukai. 2 Les dessert 2
[Kamitou Masaki] File:01 Lewd Encounters of the Third Kind (Okaruto Kenkyuukai -Michi to no Souguu-) [English]
B-BOY Zips 08 乱交RANKO特集
[Kuromahou Kenkyuujo (Nukaji)] Imouto no Kareshi ga Kawaii no de [Chinese] [Digital]
(C90) [Neko wa Manma ga Utsukushii (Hisasi)] Erina-sama no Renai Kenkyuukai. (Shokugeki no Soma) [Chinese] [空気系☆漢化]
[Hroz] Succubus no Ningen Kenkyuu
(Futaket 12) [datsuryoku kenkyuukai (Kanbayashi Takaki)] Futanari Joshi to Gyaku Anal Gakkou Seikatsu [English] [Sn0wCrack]
(C76) [Matsumoto Drill Kenkyuujo (Various)] 15513 Kaime no Nagato Yuki (Megane Nashi Ver) (Suzumiya Haruhi no Yuuutsu)
[Dennou Denpa Kenkyuusho (Harukaze Koucha)] Kansaiteki Iinchou Nishi Kara Kita Iinchou... (ToHeart)