[You You Club (Aiko)] Dear Professor (Professor Layton)
(C79) [Freeplay (Reina, Yashiyo)] Barairo seishun teiden-ki (Professor Layton)
[L-SK (Kotora)] Possession (Professor Layton)
[L-SK (Kotora)] Disguise (Professor Layton)
(SUPER19) [e++ (Monin)] DAYDREAM (Professor Layton)
(C79) [Hatobue (F)] Koou dekinai Namida (Professor Layton)
[Piyotto March (Doku)] Sensei Anone. (Professor Layton) [English] [Zeus777]
(C74) [M Kichibeya (Uchida Junta)] Luke to Meisou suru Otona (Professor Layton) full version [English]
(C75) [M Kichibeya (Uchida Junta)] Yoru no Tobacchiri (Professor Layton)
(C79) [RE>>>PLAY (Fubuki Reina)] Anata Note (Professor Layton)
(SUPER19) [WARLDOU (Nao)] L no Nazotoki Kaimei (Professor Layton)
(C75) [M Kichibeya (Uchida Junta)] Seinen Luke to Saigo no Honyarara (Professor Layton)
[Soradousha (muku)] Coming Home (Professor Layton)
[Ganmeka] Kumachan (Professor Layton)
(C74) [M Kichibeya (Uchida Junta)] Luke to Meisou suru Otona (Professor Layton) [English]
(C74) [M Kichibeya (Uchida Junta)] Luke to Meisou suru Otona (Professor Layton)
[Theory of HEAVEN (CROW)] Ikuiku! Ikuma-kun! (Black Jack) [2017-08-20]
[Theory of HEAVEN (CROW)] Onikuya Ken-chan (Anyamaru Tantei Kiruminzoo) [Digital]
Crow (Theory of Heaven) - Honey Kami the 2nd vol.0.7
[Crow_Theory of Heaven] Gurren Lagann Shimo-kyun Haa Haa Hon Hadaka Negai (Gurren Lagann) [Raw]
Switch
Layton Kyoujyu To Himitsu No Hanazono
[M Kichibeya (Uchida Junta)] Time
Rain
Puzzle
Layton x Everyone
Milk Tea Milk
London Entr'acte
Legal x Layton
[M Kichibeya (Uchida Junta)] Luke to Meisou suru Otona
[M Kichibeya (Uchida Junta)] Luke to Meisou suru Otona - English
[Piyotto March (Doku)] Sensei Anone - English
[METAL, Studio Tapa Tapa (Sengoku-kun)] Avidya
[shirando] 東海地域限定的 拉麺屋看板娘
[Manzou] Sniper Shun
Dear Professor
(Layton Panic! 2) [PiyoPiyo7 (Sorachi, Oomizuao)] Kimi to Boku to de Ai toka Koi toka (Professor Layton)
Hakase no Yoru no Joshu. | The Professor's Assistant At Night.
Hakase no Yoru no Joshu. 2 | The Professor's Assistant At Night. 2
Barairo seishun teiden-ki
ボクと先生のとくべつな紅茶
Hakase no Yoru no Joshu. 4 | The Professor's Assistant At Night. 4
Layton Kyouju to Gogo no Milk Tea
[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
Hakase no Renai Kaizouron | A Professors Theory on Love and Sex Reassignment Surgery
(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-)
[Shoryutei Enraku] Seishin Kaihouron | The theory of releasing your real self (Nozoite wa Ikenai 7 - Do Not Peep! 7) [English] [Quick and easy translations]
(COMIC1☆6) [Crazy9 (Ichitaka)] Zessica no Koufukuron | Zessica's Theory of Happiness (Aquarion Evol) [English] [biribiri + Doujin-Moe.us]
(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]
Futaba841 (Mitsuya Yoguru) - The Love and Pleasure Theory for Boys [ENG]
[Mira] Kodomo no Riron | A Kid’s Theory (School Girls Love Selection) [English] {Hennojin}
(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!)
[SHINSHIN] Shinshin Nijigenron | Mind and Body Two Dimension Theory
Kimi to no Shukumeiron - The theory of fate with you. | 與妳的宿命論
Orcs and juvenile ω love evolution theory
Kodomo no Riron | A Kid’s Theory
A Kid’s Theory
Innocence1 - Theory
Empty Theory 4 - Well Definitely Meet Again
Empty Theory 6 - Hearts Scheme
Empty Theory 2 - Sky High
Elements1 - Theory
Empty Theory 5 - Advantage
Empty Theory 3 - Cousin