Primary Quantitative Researc hentai comics

Dark Game Ch.1-8

(C87) [Zeroshiki (Kabosu)] Primary Target -Zenpen- (Haikyuu!!) [English] [UnmeiNoChance]

Fellatio Research Department Epilogue

[Haruta] Youkoso! BL Kenkyuu Club | Welcome to the Yaoi Research Club 2-in-1 Bonus Chapter [English] [Digital]

(C93) [Dodoitsu. (Panco.)] Research Love Make Presentation | Research Lab x Expression (Motto! Hinekure Chaser 3) [English] [Pink Cherry Blossom Scans]

Primary Target -Zenpen-

Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record

(C66) [Hanzai Tengoku (Hasei Agana)] ACCESS CODE PRIMARY (Fate/stay night) [Chinese] [冬木守護者漢化組]

Futanari Coming Out

Break Time with Primaries at the Net Cafe

[Mother2] Kimaira Kenkyuu File - Chimera Research File [Chinese](Uncensored)

Fellatio Research Department | Fellatio Kenkyuubu - Ch.01

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

JS Kenkyuukai | JS Research Seminar

Magical Occult Research Girl Defeated

(C84) [Kacchuu Musume (Yukiyanagi)] Shingeki no Kenkyuu | Attack on Research (Shingeki no Megami) (Shingeki no Kyojin) [English] [CGRascal]

COMIC Magnum Vol. 84

Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3

[SOUND MILK (Otochichi)] Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research (Mahou Tsukai Precure!) [English] [ATF] [Digital]

[Shirokurousa (Sugiyuu)] Kiyowa na Kanojo wa Aragaenai ~Intern Netorare Choukyou Jisshuu~

[Zonda] Fellatio Kenkyuubu Ch. 2 | Blowjob Research Club Ch. 2 (COMIC Mugen Tensei 2021-07) [Chinese]【羅莎莉亞漢化】

[Ogawa Kanran] Yoi Kono Jiyuu Kenkyuu | Independent Research Time [English] [Jojo]

[Slow Masturbation Research Society] "The seven fundamental operations" [ENG]

[Shinsekai Set (Hetaren)] Kurodate o Shiro ni Someru Seishoku Kenkyuu o (Blue Archive) | Sexual Gourmet Research: Dyeing Kurodate White [English] [Douzo Lad Translations]

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

Primary Target -Kouhen-

[Minamida Usuke] Dokidoki Eizou-Kenkyuu-Bu | Steamy Cinema Studies and Research Club (COMIC HOTMILK 2017-01) [English] [Digital] [Incomplete]

(C59) [Houraisaikan, Fuujinken (Morikawa Haru)] Yogoto no Duelist (Yu-Gi-Oh!) [English] [rookie84]

Jiyuu Kenkyuu de Ochinchin o Shiraberaremashita | We Decided to Examine a Penis for Our Independent Research

(C68) [Nagumo Kare Bu] Primary 3 (To Heart 2)

Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club

Two Girl's Suck-Suck Research Note

(ABC 4) [AOI (Makita Aoi)] OUTBREAK [Toppatsu]

[Okamura Morimi] Haha Koi

(C63) [Nagumo Curry-Bu (Nagumo)] Primary (Ragnarok Online)

(C78) [Draw Go (Souichi)] Tokumei Research 1999 ~ Maya-chan Shinsou Kaimei File ~ (Occult Academy)

Dance! Tentacle Research Institute

[Dokurosan] Eiken Lovers | Movie Research Lovers (COMIC Tenma 2009-05 Vol. 132) [English] [Brolen]

Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research

Hinokami Sex.

[Kinku] Jiyuukenkyuu Bitch Report | Research Project: Bitch Report! (COMIC LO 2013-09) [English]

Tonari no Onee-san to Himitsu no Indoor Life

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

[1bit (yuyu)] Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I [English]

(C81) [Saigado (Saigado)] R-LAB. - Dr. Akagi's individual research lab (Neon Genesis Evangelion) [Chinese] [瓜皮漢化·母系戰士出品@萌夢星君發佈]

Chinpo shiikukakari

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

Primary Contact

[Igarashi Denma] Oppara －OPPAI Paradise －

[Kawai Shun] Odoru! Shokushu Kenkyuujo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [Chinese]

Youkoso! BL Kenkyuu Club | Welcome to the Yaoi Research Club

Kuso Kizoku ni hamerareru Inaka Musume

(C91) [Neko wa Manma ga Utsukushii (Hisasi)] Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2 (Shokugeki no Soma) [English] [Metaphrastes]

PRIMARY HEART