Dance! Tentacle Research Center - Seedbed-hen
Dead or Alive 2-2 Katana
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
[Zenmai Kourogi] Razoku Kazoku
[I-Raf-you (Wakino Keibun)] Microne Magazine Vol. 03 [Chinese] [Digital]
Idol Tomoe Mami Soushuuhen
Fumina Senpai to Hentai Gunpla Shishou
Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3
(C93) [Ikuya Daikokudou (Ikuya Daikokudou)] Mash & Astolfo Tokuinten Shoushitsu Jiken (Fate/Grand Order)
Cell no Esa
(C94) [Urasazan (Minamino Sazan)] Chikuwa o Otabeyo Okita-chan. (Fate/Grand Order) [Chinese] [超勇汉化组]
Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record
(C86) [Grace (Yokoyama Naoki)] Million Back Dancer-tachi no Otona no "Settai" Gasshuku | Million Back Dancers Adult "Entertainment" Camp (THE IDOLM@STER MILLION LIVE!) [English] {doujin-moe.us}
Bowsette's Research
(C95) [Transistor Baby (Hata)] Dorei Shijou no Dark Elf [Chinese] [不可视汉化]
[Dokurosan] Eiken Lovers | Movie Research Lovers (COMIC Tenma 2009-05 Vol. 132) [English] [Brolen]
Attack on Research
Nekura Megane | The Creepy Glasses Girl