[Kakashi Asahiro] Hakase no Renai Kaizouron | A Professors Theory on Love and Sex Reassignment Surgery (COMIC Situation Play Vol. 19) [English] [4dawgz + thetsuuyaku] [Digital]

A Professors Theory on Love and Sex Reassignment Surgery

Cunt Transplantion Surgery

Top Secret Ward Nurse Super Remodeling Surgery

[Black Dog(Kuroinu Juu)] Cunt Transplantion Surgery [Fanmade]

Futaba841 (Mitsuya Yoguru) - The Love and Pleasure Theory for Boys [ENG]

Orcs and juvenile ω love evolution theory

[Shoryutei Enraku] Seishin Kaihouron | The theory of releasing your real self (Nozoite wa Ikenai 7 - Do Not Peep! 7) [English] [Quick and easy translations]

[SHINSHIN] Shinshin Nijigenron | Mind and Body Two Dimension Theory

[Mira] Kodomo no Riron | A Kid’s Theory (School Girls Love Selection) [English] {Hennojin}

Astolfo, Bradamante to Issho ni Training | Let's get to Training, Astolfo and Bradamante

Astolfo, Bradamante to Issho ni Training | Let's get to Training, Astolfo and Bradamante

[Agata] ChinTrai Quest III ~Hime to Maou no OneShota Sex~ | Dick Training Quest III ~Princess and Dark Lord OneShota Sex~ (OneShota Byoutou 24-ji Harem Nyuuin Seikatsu) [English] =TLL + mrwayne=

Chibikko Senpai to Sex Ecchi na Imouto to mo Sex | Lil' Shortie Senpai Sex and Lewd Little Sister Sex

[Triangle! (Usashiro Mani)] GaCen Hime to DT Otoko no Ichaicha Kozukuri Love Sex | Arcade Princess And a Virgin Boy Who Make Out And Have Lovey-Dovey Baby-Making Sex [English] [2d-market.com] [Decensored] [Digital]

[Triangle! (Usashiro Mani)] GaCen Hime to DT Otoko no Ichaicha Kozukuri Love Sex | Arcade Princess And a Virgin Boy Who Make Out And Have Lovey-Dovey Baby-Making Sex [English] [2d-market.com] [Decensored] [Digital]

Love Love Sex Ryokou Hon Ippakume - Love Love Sex Travel Book

Love Love Sex Ryokou Hon Ippakume - Love Love Sex Travel Book

Love Love Sex Ryokou Hon Ippakume - Love Love Sex Travel Book

[Theory of HEAVEN (CROW)] Ikuiku! Ikuma-kun! (Black Jack) [2017-08-20]

(C92) [Koniro Drops (Morishima Kon)] Rironjou 3-patsu made nara Taeraremasu. - In Theory You Can Tolerate up to Three Shots (Splatoon)

(SC2015 Autumn) [CHRONOLOG, D.N.A.Lab. (Sakurazawa Izumi, Miyasu Risa)] Super String Theory (Kantai Collection -KanColle-)

[Theory of HEAVEN (CROW)] Onikuya Ken-chan (Anyamaru Tantei Kiruminzoo) [Digital]

(COMIC1☆6) [Crazy9 (Ichitaka)] Zessica no Koufukuron | Zessica's Theory of Happiness (Aquarion Evol) [English] [biribiri + Doujin-Moe.us]

Crow (Theory of Heaven) - Honey Kami the 2nd vol.0.7

(C78) [Kinokonomi (kino, konomi)] Kinokothical Theory (Various)

(C66) [SUBSONIC FACTOR (Ria Tajima)] The steady-state theory (Fullmetal Alchemist)

K's Theory

(C92) [Koniro Drops (Morishima Kon)] Rironjou 3-patsu made nara Taeraremasu. - In Theory You Can Tolerate up to Three Shots (Splatoon) [Chinese] [沒有漢化]

(C64) [Kokushi Tenshi (Various)] SPACE STRING THEORY (Uchuu no Stellvia)

(Knights Theory) [Snow Peach (Mipoko)] Naru no Anal kara Inspiration ga Waite Kuru zo (Ensemble Stars!)

Kimi to no Shukumeiron - The theory of fate with you. | 與妳的宿命論

Kodomo no Riron | A Kid’s Theory

A Kid’s Theory

Innocence1 - Theory