[Zonda] Fellatio Kenkyuubu Saishuuwa (COMIC Mugen Tensei 2023-01) [English] [Digital]
Fellatio Research Department | Fellatio Kenkyuubu - Ch.01
(C87) [BLACK DOG (Kuroinu Juu)] Made in Heaven -Mercury - (Bishoujo Senshi Sailor Moon) [English] [doujin-moe.us] [Colorized] [Darkdeus]
(COMIC1☆15) [Kakohimenoutuwa (Yuumazume)] Adult! Fushigi Kenkyuubu (Atsumare! Fushigi Kenkyuubu)
Fellatio Kenkyuubu Saishuuwa
Ninjutsu Kenkyuubu no Genkai Haishin
(Mou Nanimo Kowaku Nai 14) [French CanCan (Chiziwa Sawa)] Mousatsu Mahou Shoujo (Puella Magi Madoka Magica)
Fukushuu NTR Company
[Zonda] Fellatio Kenkyuubu Ch. 2 (COMIC Mugen Tensei 2021-07) [Chinese] [羅莎莉亞漢化] [Digital]
[Zonda] Fellatio Kenkyuubu Ch.4 (COMIC Mugen Tensei 2022-06) [Chinese] [瓜皮汉化] [Digital]
Kenkyuu Seika 2
[Oishii Udon (Ocza)] Kenkyuu Seika (Atsumare Fushigi Kenkyuubu)
Ijou dokushin dansei demo erodounin sakkanara ganmen SSR no bakunyuu yariman onna forowā to ofupako dekiru!
(C72) [Ichigosize (Natsume Eri)] HAPPY DANCE (Lucky Star)
(C92) [ARCHF (Riki)] AFK (Atsumare! Fushigi Kenkyuubu) [Chinese] [咕咕里组]
[Sango] Jimi de Bitch na Onna no Baishun [Chinese]
Onaho Kenkyuubu! 2 | 飞机杯研究部2
Hitozuma Series | The Married Wife Series
[Kaishinshi] Jiyuukenkyuubu (Juicy No. 12 2016-01) [English] {NecroManCr}
Top Sona | 탑소나
(C79) [Misuterutein (Oborogumo Takamitsu)] NENETORARE (Love Plus)
(C92) [Nanashimushi Land (Nanashimushi)] Onaho Kenkyuubu! 3
Strawberry Cinderella
[Soborogo] Yuki to Oji-san (COMIC saseco Vol. 3) [English] {InsanePraetor} [Digital]
(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou | Study-Time with Kokoro Onee-chan (Touhou Project) [English] [Mister lol]
Kyonyuu na Ore to Kyokon na Kanojo
[Eisen] Kousei Shisetsu (ANGEL Club 2016-03) [English] [constantly]
(Futaket 13) [Nanashimushi Land (Nanashimushi)] Onaho Kenkyuubu! 2
Onaho Kenkyuubu! 1.11+2
(C83) [Coffee Chazuke (Genjirou)] Roll-chan DASH-san (Mega Man Legends)
Fellatio Kenkyuubu Ch. 3
Onaho Kenkyuubu! 3 | 飞机杯研究部 3
COMIC Penguin Club Sanzokuban 2016-10
Onaho Kenkyuubu! 1.11
[Zonda] Fellatio Kenkyuubu | Blowjob Research Club [English] [Uncensored] [head empty + RedLantern]
(C92) [ARCHF (Riki)] AFK (Atsumare! Fushigi Kenkyuubu) [English]
(C95) [INSERT (KEN)] Boku dake no Bakunyuu Ona-maid Dai Ninki Bakunyuu Fellation Idol Fuuzoku Taikenki Shinsaku CG Shuu -Taikenban-
Koyanskaya Tamamo Bitch no Hon. 2
Fellatio Kenkyuubu Ch. 4
Fellatio Kenkyuubu | Blowjob Research Club Ch. 2
親子で変態奴隷堕ち
Seinen Muke no Fushigi
Kenkyuu Seika
(Futaket 13) [Nanashimushi Land (Nanashimushi)] Onaho Kenkyuubu! 2 | 飞机杯研究部2 [Chinese] [黄记汉化组]
お母さんいただきます。2 連載 P1-21
[Zonda] Fellatio Kenkyuubu Ch.4 (COMIC Mugen Tensei 2022-06) [Chinese] [无修至上主义重嵌] [Colorized] [Decensored] [Digital]
(FF24) [LOLI Seiyouken (PANBAI)] TENCHUU☆LIVE (BLACK BULLET) [Chinese] [Decensored]
(Kouroumu 11) [Nyuu Koubou (Nyuu)] Jiyuu Fuuzoku Gensoukyou Fullcolor (Touhou Project)
[Zonda] Fellatio Kenkyuubu Ch. 4 (COMIC Mugen Tensei 2022-06) [English] [Cuddlebuns] [Colorized] [Decensored] [Digital]
(C92) [Nanashimushi Land (Nanashimushi)] Onaho Kenkyuubu! 3 | 飞机杯研究部 3 [Chinese] [黄记汉化组]
(COMIC1☆13) [Urakaryuu (Ibukichi)] Karyuudo no Taieki (Monster Hunter)
[Mimonel] Ninjutsu Kenkyuubu no Genkai Haishin (Blue Archive)
Orgasmic Seaside School
[Mita Kurumi] Nioi Kenkyuubu (Kari) Ch.1-7
(Futaket 13.5) [Nanashimushi Land (Nanashimushi)] Onaho Kenkyuubu! 1.11+2
[Zonda] Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [Sloppy Seconds] [Digital]
Mousou Tokusatsu Series: Ultra Madam 7
(Puniket 7) [16kenme (Sato-satoru)] Burimeshi 2 (Guilty Gear)
Daughter and Father Marriage - Miyuki's second fellation diary
(C92) [ARCHF (Riki)] AFK (Atsumare! Fushigi Kenkyuubu)
Ita Yome Monogatari
Nakadashi Tenshi Time!
Utsusemi 2 Zenpen
メイドイン俺でルザミーネ
(C80) [ArcS (Sakura Yuu)] Snow Thaw (Infinite Stratos) [Digital]
[ZAWORLD (Zawawa)] Re: dêdeddê!!!!!!!! (Love Live!) [Digital]
(COMIC1☆20) [Kakohimenoutuwa (Yuumazume)] Adult! Fushigi Kenkyuubu 4 (Atsumare! Fushigi Kenkyuubu)
(J.GARDEN 41) [Tanakana (Tanaka Natsumi)] Nekketsu! Occult Kenkyuubu
Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3
Fellatio Kenkyuubu | Fellatio Fesearch Department Ch. 1
[Gorilla Gang Dan (Ochi Ai)] Terrible x Trouble (To LOVE-Ru) [2009-10-19]
Adult! Fushigi Kenkyuubu 9
Abby Biyori
Fellatio Kenkyuubu - Fellatio Research Department
(SC2016 Summer) [Araburu Dragon (Rinunu, Sawa Minoru)] Shibarareta Yaotome Gaku Kono Ato Oboeteroyo!! | Yaotome Gaku tied up - He's not gonna forget about this!! (IDOLiSH7) [English] [Rainy] [Incomplete]
[Suzusiro] Love Linmu Idol Kenkyuubu Sei no Urawaza (Love Live!)
(C96) [NIGHT FUCKERS (Mitsugi)] Nurunuru Fellation Summer (Granblue Fantasy) [English]
[Itumon] Shiritsu! Otokonoko Kenkyuubu (Otokonoko HEAVEN Vol. 40) [Chinese] [瑞树汉化组] [Digital]
Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club
Nurunuru Fellation Summer
(Reitaisai 13) [Rasa House (Rasahan)] Chiisana Seesaw Lovers (Touhou Project) [Chinese] [迷途竹林汉化]
suzuchannofushigi
(C77) [Kakumei Seifu Kouhoushitsu (Kamiya Suzuka, RADIOHEAD)] Lunatic Udon (Touhou Project)
Adult! Fushigi Kenkyuubu 2
Fellatio Kenkyuubu | Blowjob Research Club
[Kare-nidaikon (Rindou)] Saimin My Pet Touhou Alice Margatroid | Hypnosis♥ My Pet Touhou Alice Margatroid (Touhou Project) [English] [Toks] [Digital]