Kanojo ni Kokuhaku Suru Mae ni Tomodachi ni Nakadashi Sareta... 1-3
Fuzzy Theory
(C92) [Koniro Drops (Morishima Kon)] Rironjou 3-patsu made nara Taeraremasu. - In Theory You Can Tolerate up to Three Shots (Splatoon)
Precure
[Negurie] Karamitsuku Shisen
A Kid’s Theory
(C66) [SUBSONIC FACTOR (Ria Tajima)] The steady-state theory (Fullmetal Alchemist)
[HEG (Yoshino)] Kenny-sensei to Bashisugi | Professor Kenny's Gone Wild! (South Park)
A Professors Theory on Love and Sex Reassignment Surgery
(C66) [Gambler Club (Kousaka Jun)] PM Gals! (Pokémon)
[Momiyama] PAIDOLM@STER!
Time
London Entr'acte
[atahuta] Tensai Hakase to Joshu | Genius Professor and her Assistant [English] [eroshidesu]
Legal x Layton
[Kuroiwa Menou] Hitozuma Club Bijo to Yajuu-tachi (COMIC HOTMILK 2020-05) [English] {The Ancient Hentai Theory} [Digital]
(SC2015 Autumn) [CHRONOLOG, D.N.A.Lab. (Sakurazawa Izumi, Miyasu Risa)] Super String Theory (Kantai Collection -KanColle-)
[You You Club (Aiko)] Dear Professor (Professor Layton)
Hakase no Yoru no Joshu. 4 - Doctor's Night Assistant Story 4
(Tora Matsuri 2015) [Haguruman (Koutarosu)] Araragi Hakase to Haruka no Hon | Dr. Araragi and May's Book (Pokémon) [English] [my-alt-for-porn]
Hakase no Yoru no Joshu. 3
(COMIC1☆6) [Crazy9 (Ichitaka)] Zessica no Koufukuron | Zessica's Theory of Happiness (Aquarion Evol) [English] [biribiri + Doujin-Moe.us]
[Shoryutei Enraku] Seishin Kaihouron | The theory of releasing your real self (Nozoite wa Ikenai 7 - Do Not Peep! 7) [English] [Quick and easy translations]
Araragi Hakase to Haruka no Hon
[Saiyazumi] Seishokuki <Onna Kyouju Hen> | Seishokuki <Female Professor Chapter> (Seishokuki) [English] [Gondis]
Rain
Kodomo no Riron | A Kid’s Theory
[Shinobu, Yamasaki Masato] Mama wa Onna Kyouju | Mama is a Female Professor Ch. 3 (COMIC Bazooka 2009-12) [English] [Natty Translations]
[Kisirian (Goro Mask)] Ryoujoku Shokei Professor to 20 Hito no Josentouin [Digital]
Let's GO! TRAIN!!
[Haguruman (Koutarosu)] Araragi Hakase no Hon 2 | Dr. Araragi's Book 2 (Pokémon) [English]
(C80) [Gambler Club (Kousaka Jun)] PM GALS Soushuuhen (Pokemon)
Zundoko Sennou - Isshu Hen | 즌도코 세뇌 - 잇슈 편
[M Kichibeya (Uchida Junta)] Time
Empty Theory 1 - After Pleasure
[StrangeSagittarius (Kisaki)] Sonia-hakase wa Tamatteiru | Professor Sonia is Pent-Up (Pokémon Sword and Shield) [English] [Coffedrug]
(C91) [Metaneko (Aotsu Umihito)] GOGO GiRL! (Pokémon GO)
[Crow_Theory of Heaven] Gurren Lagann Shimo-kyun Haa Haa Hon Hadaka Negai (Gurren Lagann) [Raw]
Sensei no Hatena - What the professor doesn't know
[Re-Fire (Tatsunami Youtoku)] twin Milf Additional Episode +1 [Digital]
[HEG (Yoshino)] Kenny-sensei to Bashisugi | Professor Kenny's Gone Wild! (South Park)[English]
(Challe! 14) [YMC (Chihi)] Nayameru-kun ni Knockout (Pokémon Sun and Moon)
Empty Theory 8 - Apparent Flash
(Knights Theory) [Snow Peach (Mipoko)] Naru no Anal kara Inspiration ga Waite Kuru zo (Ensemble Stars!)
Empty Theory 7 - Destroyed Family
(C78) [Kinokonomi (kino, konomi)] Kinokothical Theory (Various)
(C79) [Hatobue (F)] Koou dekinai Namida (Professor Layton)
[Asagi Ryu] Sense, ne? | Professor (Girls Girls) [English] [Yuri-ism] [Digital]
Kouhai-chan no Tokubetsu Management
[Dennou Chocolate (AwA)] Hose Kanchou de Giji Ninpubara ni Saserareta Ijimerarekko ga Harazeme Sareru Hon!! [Digital]
(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]
[Kakuzatou] VRF Goggle to Hakase & Joshu | VRF Goggles with the Professor & Assistant [English]
Asakura Hakase no Bibouroku | Professor Asakura's Memorandum
Soutaisei Virgin Theory