Twilight's Research | 暮光学习计划
(C75) [Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho "Kessen Zenya" - Turupeta Research Report
(COMIC1☆11) [Showa Saishuu Sensen (Hanauna)] Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record (Hyouka) [English] [Doujins.com]
[Zonda] Fellatio Kenkyuubu - Fellatio Research Department | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [CrinkzScans] [Digital]
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]
[Kawai Shun] Dance! Tentacle Research Institute [English]
Zecchou Kenkyuujo | Orgasm Research Facility
(C94) [Tiramisu Tart (Kazuhiro)] Inma Kyuusei 2 ~Shota Kui Succubus Onee-san~ | Semen Searching Succubus 2 - The Shota Eating Older Sister Succubus [English] {Stopittarpit}
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [English]
Saimin Nama Onaho de Asobo.
[Harazaki Takuma] SEARCH
(C72) [Search-Light (Kurosaki Kotora)] Cat Fight Over Drive (Queen's Blade) [2nd Edition Melon Books Ban] [English]
[Akiyama Kenta] Erogun
JS Kenkyuukai | JS Research Seminar
(COMITIA99) [Search-Light (Risei)] Ryoujoku MoriKamisama Biyaku Otoshi!!!
(C83) [Koishishi7 (Dai)] OBAmaniac (TIGER & BUNNY)
Dance! Tentacle Research Center - Seedbed-hen
Dance! Tentacle Research Institute
[Zonda] Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [Sloppy Seconds] [Digital]
Adult Goods Tanchiki ~Machi no Inran Onna o Research Seyo~
Binyuchousain Ayako | Busty Researcher Ayako
(Futaket 10.5) [Yamazakura (Iguchi Takajin)] Megami ☆Search Venus Search (Various)
Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3
Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record
[Search-Light (Risei)] Otenba Hime → Juujun Hae Yome Hime (Dragon Quest IV) [Digital]
Bowsette's Research
(C71) [Search-Light (Kurosaki Kotora)] Koi Iro Sumomo Iro (Sumomomo Momomo ~Chijou Saikyou no Yome~)
(SC40) [Search-Light (Kurosaki Kotora)] Trigger Happy (Soul Eater)
[Dokurosan] Eiken Lovers | Movie Research Lovers (COMIC Tenma 2009-05 Vol. 132) [English] [Brolen]
Hitozuma Elf x Youchuu Haramase Kaizou Ochi
Attack on Research
[Kurosaki Kotora] Koneko Aiiku Diary Usagi to Tanuki no Maki
(CR33) [SEARCH & DESTROY (TAMAKI)] DAZE8 (Kiddy Grade)