Biological Research Labsw

[Salad] Hatsujouki (COMIC LO 2016-02)

[Hara Shigeyuki] Binyuchousain Ayako | Busty Researcher Ayako [English] {Tadanohito} [Digital]

Two Girl's Suck-Suck Research Note

[Poriuretan] Shirokuro Gyaru no MerryChri [Chinese] [栗子汉化]

(C63) [MUSASABIDO (Bakuchin)] Research of a maid

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

[Tsutsumi Akari] Virgin White

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

Gemini?

[Shiranui Research Institute (Shiranui)] Shiranuhi Ninpo cho ichi-kan (King of Fighters, Street Fighter) [Digital]

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

[F Taku (Anma)] Event no Retsu de... [Chinese] [风油精汉化组] [Digital]

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

Twilight's Research | 暮光学习计划

(C76) [DIGITAL SYMPHONY (Arima Yutaka)] Akita Komachi (Mitsudomoe)

[Takahashi Note] Jiyuukenkyuu | Independent Research (COMIC LO 2015-11) [English] {5 a.m.}

(C77) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Shin Hissatsu Waza no Kyoufu " - Turupeta Research Report

[LemonMaiden (Aoi Masami)] Kyuusei Maryoku Chuudoku Soushuuhen 1 (Fate/kaleid liner Prisma Illya) [Digital]

Fellatio Research Department | Fellatio Kenkyuubu - Ch.01

Attack on Research

Mukashi wa Kakko Yokatta | She Used to Be Cool

(C61) [EXtage (Minakami Hiroki)] EXtra Stage vol.06 (Dai Akuji)

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

[Tempuru] Albedo & Sucrose's Isekai Observation Research Report

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

Love Hinappoi Hitobito

Research Fellow

[Okano Ahiru] Touka Gengi Joukan

[G-PANDA (Midou Tsukasa)] Pansuto Keiji "Ro" | Panty-Stocking Detective - Exposed (City Hunter) [English] {doujin-moe.us} [Digital]

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

[Matsurioka Hideyuki] Reken ~Shinsoku Raper Domo~ | Rape Researches

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

[Department Y Research Institute] Bōkoku ōjo no matsuro

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

[Parupunte (Fukada Takushi)] F-71 (Suite Precure) [Digital]

千里先生の保健体育

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

[The Red Cat Brigade (Inariya Fusanosuke)] Taoyaka na Kureru Te ni (Fullmetal Alchemist) [English] [Dangerous Pleasure]

Fellatio Kenkyuubu - Fellatio Research Department

[Kawai Shun] Odoru! Shokushu Kenkyuujo "Naedoko" Hen | Dance! Tentacle Research Center - Seedbed-hen [English] [solowing]

Yuri-ken Beit Boshuuchuu Soushuuhen | Yuri's Lab Wants Research Assistants

Research of Barnaby Brooks Jr.

Dance! Tentacle Research Institute

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

Adult Goods Tanchiki ~Machi no Inran Onna o Research Seyo~

[Shounen Byoukan (Kanno Izuka)] Killua tai Moburion (Hunter X Hunter)

[TICOTICO (Machi)] Look for ×××…? (Persona 3)

MAKE LOVE! O'G-chan

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

Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research

[AX (Goto)] Muttsuri Akazukin-kun Kara wa Nige Rarenai | I Can't Escape From Mr. Naughty Red Riding Hood [English] [Painful Nightz] [Digital]

Zecchou Kenkyuujo | Orgasm Research Facility

(Touhou Goudou Saiji 5) [Happunzaki (Toyosaki Shu)] ever since (Touhou Project) [English] [Yuri-ism]

Isekai

Etchi de unchina nama haishin

孙尚香-甘露梦

Futanari ni A

[Kawai Shun] Dance! Tentacle Research Institute [English]

[Anthology] ROMEO Vol.02

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

Fumble Dice

Bowsette's Research

Black Fall

Magical Occult Research Girl Defeated

Movie Research Lovers

Insect Research Institute 2

[chatgris8)]Shoyadearu DL-bani(The Legend of Zelda)

Mitsudomoemotion!

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

Tsumeawase 2018 SUMMER

[Department Y Research Institute] Gen'ō No Seidorei-Chan De Asobou!

Fellatio Kenkyuubu | Blowjob Research Club

Iinari Sensei Ekoda Emi 28-sai

[Un-Go] Doctor Kazamori's Slightly Naughty Research 2 [English]

(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]

[Nanatsuboshi] Yokubou Ganko Oji-san

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

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

(C75) [Heisei Chachamaru Dou (NO Chachamaru)] Kongari Mamanpai

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

JS Kenkyuukai | JS Research Seminar

LoveConnect Zero #6

(C78) [Yo wa Okazu wo Shomou Shiteoru (Shian)] Onna Kenkyuuin no Ijou na Aijou | A Female Researcher's Abnormal Desire [English] =LWB=

[Zonda] Fellatio Kenkyuubu | Blowjob Research Club [English] [Uncensored] [head empty + RedLantern]

Zettai ni Ikasetai Adult Goods Maker Kaihatsubu VS Zettai ni Ikanai Adult Goods Maker Eigyoubu | The Sales Rep Who Absolutely Won’t Come VS The Researcher Who Absolutely Wants to Make Her Come

[Department Y Research Institute] Rorisakyubasu Wa Ningen Ni Tsukamaruto Dō Naru No?

[STUDIO AWAKE] Nyotai no Himitsu (Mystery of the Female bodies) <Educational Comic:Biology and sex #4>

(Puniket 5) [Okina Flying Factory (OKINA)] OFF Doremi Doka-n! Deluxe Copybon Kaiteiban (Ojamajo Doremi)

(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]

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

Nakadashi Dekitara Sex Shihoudai! Sex Oni Gokko, Hajimemasu!

(C85) [RE:LAY (Kuroiwa Madoka)] CLOSED (Super Danganronpa 2) [Chinese] [天煌汉化组]

Fellatio Research Department Epilogue

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

Mangetsu no Shimofuta, Ichigo yori Amai Yome no Ochinchin

Research Love Make Presentation | Research Lab x Expression

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

[Sumomo Dou (Sumomo EX)] Ikemono Kurabu | Biology Club [English]

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

OV-REQ Vol. 3

Fellatio Kenkyuubu | Blowjob Research Club Ch. 2

Witch Unleashed

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

[Warabimochi] Hero no Yuuutsu Inran Rehabilitation Zenpen

Dance! Tentacle Research Center - Seedbed-hen

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

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

Futanari Kenkyuu Dousoukai | Futanari Research Club

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

[Department Y Research Institute] Bōkoku Ōji no matsuro

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