Kashima-chan no Renai Sensen Ijou Ari | There's Something Weird With Kashima's War Training
Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record
Futanari Kenkyuu Dousoukai | Futanari Research Club
Aah~ Hayaku H Shitai!! | I Wanna Do Dirty Stuff Already!
Hakusei ni sareta Bijin Tsuma 2 | Beautiful Women Get Stuffed 2
(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]
[Spiritus Tarou] Zenryaku, Kanojo no Seiheki ga Nanameue deshita | A Girl's Weird Fetishes are Brought to Light! (COMIC Koh 2018-07) [English] [Rotoscopic + mrwayne] [Digital]
I don't think we should be doing erotic stuff
[Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho 005 "Dengeki Jigoku" - Turupeta Research Report
[Kurosaki Kotora] Koneko Aiiku Diary
Doujin Event no Shucchou Henshuubu ni Itta Hi kara Tsuma no Yousu ga... 2 | My Wife Has Been Acting Weird Since the Doujin Convention…2
[Harazaki Takuma] SEARCH
Tetsuya Ake Muremure Futanari Chinpo o Ajiwaitai | I Wanna Eat Sleep-Deprived Stuffy Futa Cock
[SECRET SOCIETY M (Kitahara Aki)] Torikago no Joou (CGRascal)
(C86) [Searchlight Missing (Tamura Searchlight)] Kantai Collection Fusou (Kantai Collection -KanColle-)
(CR33) [SEARCH & DESTROY (TAMAKI)] DAZE8 (Kiddy Grade)
Porn Videos Taught Me Important Stuff
(C88) [datsuryoku kenkyuukai (Kanbayashi Takaki)] Ore no Shinyuu wa Nanika ga Okashii | My Best Friend's Kinda Weird [English] [SaHa]
Dance! Tentacle Research Institute
(C72) [Search-Light (Kurosaki Kotora)] Cat Fight Over Drive (Queen's Blade) [2nd Edition Melon Books Ban]
[Hroz] Succubus no Ningen Kenkyuu | Human Research by a Succubus [English] [thetsuuyaku + 4dawgz]
[Zonda] Fellatio Kenkyuubu Ch. 2 | Blowjob Research Club Ch. 2 (COMIC Mugen Tensei 2021-07) [Chinese]【羅莎莉亞漢化】
(SC40) [Search-Light (Kurosaki Kotora)] Trigger Happy (Soul Eater) [English]
DAZE 3
Fellatio Kenkyuubu Blowjob Research Club Ch. 3
Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club
[Tsukusun] Souiu no ni Kibishii Chichi | My Dad's Really Strict About Stuff Like That (Ryona King Vol. 3) [English] [PlativeTL] [Digital]
[Kawai Shun] Odoru! Shokushu Kenkyuujo | Dance! Tentacle Research Institute [English] [solowing]
(COMITIA106) [Search-Light (Kurosaki Kotora)] Futanari Elf Sanran Choukyou | Futanari Elf Egg Laying Slave Breaking [English] [Tremalkinger]
Watashi no Shumi tte Hen desu ka? | Is My Hobby Weird? Ch. 2
(COMITIA103) [Search-Light (Risei)] Elf Shoujo Senshi Naedoko Ochi
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [English]
Zenryaku, Kanojo no Seiheki ga Nanameue deshita | A Girl's Weird Fetishes are Brought to Light!
Watashi no Shumi tte Hen desu ka? | Is My Hobby Weird? Ch. 5
[Noise] Chinko no Jiyuu Kenyuu | Dick Research Project (COMIC LO 2019-05) [English] [Doki Fansubs] [Digital]
[Ribons Nights (Kyouno Aki)] Bunch o' Stuff
Binyuchousain Ayako | Busty Researcher Ayako
RIGHT STUFF
My Sister's Weird... She Always Is
(C96) [Tamarun (Tamarun)] Abby Kenkyuu Bon | Abby Research Book (Fate/Grand Order) [English] [Team Chungus TL]
(Futaket 5) [Search-Light (Kurosaki Kotora)] CatFight Infinity (Kidou Senshi Gundam 00) [English]
(C97) [ARCH (Plum)] Ana-chan no Ana-chan wa Zettai Fukashin dakedo Ana-chan ni Ecchi na Koto wa Shitai! | Ana-Chan's Little Hole is Absolutely Off-Limits, but I Still Want to Do Pervy Stuff! (Fate/Grand Order) [English] [LAYON]
[Natitama (Isako)] Tomodachi to wa Konna Koto Shinai! | You don't do stuff like this with your friends [English] {Chin²} [Digital]
[Oltlo] Kimi no dekkakute kimochi ii yatsu | Your big, pleasuring stuff (COMIC Anthurium 2022-03) [English] [Project Valvrein] [Digital]
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]
[Comaku] Watashi no Shumi tte Hen desu ka? | Is My Hobby Weird? Ch. 3 (L -Ladies & Girls Love- 06) [English] [Yuri-ism]
Is My Hobby Weird? Ch. 3
(C83) [Penpengusa Club (Katase Minami)] Toaru Kagaku no Judgement 6 - Onee-sama Search Eye! (Toaru Majutsu no Index) [English] [Life4Kaoru]
Sochin kara Onnanoko o Sukuu Kai | search and rescue squad to Save Girls from short dicks
(C92) [K+W (Sasachinn)] Hatsuzuki to Muremure Muramura Natsu Ecchi! | Having Stuffy Sex On The First Month Of Summer! (Kantai Collection -KanColle-) [English] [Doujins.com]
Is My Hobby Weird ch2
Manga Research Triangle
Hatsuzuki to Muremure Muramura Natsu Ecchi! | Having Stuffy Sex On The First Month Of Summer!
Tomodachi to wa Konna Koto Shinai! | You don't do stuff like this with your friends
[SOUND MILK (Otochichi)] Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research (Mahou Tsukai Precure!) [English] [ATF] [Digital]