(Knights Theory) [Snow Peach (Mipoko)] Naru no Anal kara Inspiration ga Waite Kuru zo (Ensemble Stars!)
Pinkiro
Rem no Koufuku H Ron | Rem's Happiness H Theory
美少女ヴァンパイアに母乳ドリンクバーにされる話(86~127)
[Cuvie] My Sweety (Comic Penguin Celeb 2013-03) [English] [The Lusty Lady Project] [Digital]
Beautiful Girls' Extreme Hole Game, Expansion Play For Pleasure and Climaxing
Fuzzy Theory
(COMIC1☆6) [Crazy9 (Ichitaka)] Zessica no Koufukuron | Zessica's Theory of Happiness (Aquarion Evol) [English] [biribiri + Doujin-Moe.us]
[mdo-h] DEVIL'S BORN (Soutaisei Virgin Theory) [Chinese]
あたまわるいほん
[MM] Marunomi Mae no Ni Niteru Kedo Kinishinai [English]
(C95) [Hizatora (Kageshio)] ACTING LIKE (Fate/Grand Order) [English] {The Ancient Hentai Theory}
Empty Theory 2 - Sky High
(SC2015 Autumn) [CHRONOLOG, D.N.A.Lab. (Sakurazawa Izumi, Miyasu Risa)] Super String Theory (Kantai Collection -KanColle-)
[Orikura Makoto] YamiIro Toiki ~Koharu Biyori na Vamp na Nichijou~ [Digital]
(C75) [Honey Pharmacy (Fukami Ryou)] SEXY PANIC ~Neko to Saru no Love Fight (Full Metal Panic!)