Kodomo no Riron | A Kid’s Theory
(COMIC1☆6) [Crazy9 (Ichitaka)] Zessica no Koufukuron | Zessica's Theory of Happiness (Aquarion Evol) [English] [biribiri + Doujin-Moe.us]
Futaba841 (Mitsuya Yoguru) - The Love and Pleasure Theory for Boys [ENG]
Empty Theory 7 - Destroyed Family
[mdo-h] DEVIL'S BORN (Soutaisei Virgin Theory) [Chinese]
(Knights Theory) [Snow Peach (Mipoko)] Naru no Anal kara Inspiration ga Waite Kuru zo (Ensemble Stars!)
Rem no Koufuku H Ron | Rem's Happiness H Theory
Elements1 - Theory
Empty Theory 3 - Cousin
(C95) [OrangeMaru (nodoco)] Christmas no Seishouseki (Fate/Grand Order) [English] {The Ancient Hentai Theory}
Hakase no Renai Kaizouron | A Professors Theory on Love and Sex Reassignment Surgery
Empty Theory 2 - Sky High
[Ootani Mikoto] Seishun Kanjouron - youth emotion theory [R18 Ban] 1
[Crow_Theory of Heaven] Gurren Lagann Shimo-kyun Haa Haa Hon Hadaka Negai (Gurren Lagann) [Raw]
Empty Theory 6 - Hearts Scheme
Orcs and juvenile ω love evolution theory
A Kid’s Theory
(C95) [Hizatora (Kageshio)] ACTING LIKE (Fate/Grand Order) [English] {The Ancient Hentai Theory}
Empty Theory 5 - Advantage
Big Breasts Flat Theory
Soutaisei Virgin 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]
[Theory of HEAVEN (CROW)] Onikuya Ken-chan (Anyamaru Tantei Kiruminzoo) [Digital]
Kimi to no Shukumeiron - The theory of fate with you. | 與妳的宿命論
[Kakashi Asahiro] Hakase no Renai Kaizouron | A Professors Theory on Love and Sex Reassignment Surgery (COMIC Situation Play Vol. 19) [English] [4dawgz + thetsuuyaku] [Digital]
Empty Theory 1 - After Pleasure
Empty Theory 4 - Well Definitely Meet Again
Tsundere Kōryaku No Saishū Teiri - Tsundere's Final Theorem
[Mira] Kodomo no Riron | A Kid’s Theory (School Girls Love Selection) [English] {Hennojin}
(C64) [Kokushi Tenshi (Various)] SPACE STRING THEORY (Uchuu no Stellvia)
(C66) [SUBSONIC FACTOR (Ria Tajima)] The steady-state theory (Fullmetal Alchemist)
Crow (Theory of Heaven) - Honey Kami the 2nd vol.0.7
[Kuroiwa Menou] Hitozuma Club Bijo to Yajuu-tachi (COMIC HOTMILK 2020-05) [English] {The Ancient Hentai Theory} [Digital]
(C78) [Kinokonomi (kino, konomi)] Kinokothical Theory (Various)
(C72) [Blind hope (Mashu Maro)] Nina no Spezielle Relativitätstheorie (Code Geass: Lelouch of the Rebellion)
Innocence1 - Theory
[mdo-h] Soutaisei Virgin Theory [Digital]
(SC2015 Autumn) [CHRONOLOG, D.N.A.Lab. (Sakurazawa Izumi, Miyasu Risa)] Super String Theory (Kantai Collection -KanColle-)
(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]
Fuzzy Theory
K's Theory
A Professors Theory on Love and Sex Reassignment Surgery
[Theory of HEAVEN (CROW)] Ikuiku! Ikuma-kun! (Black Jack) [2017-08-20]
Happy theory
Empty Theory 8 - Apparent Flash
Scapegoat Koufukuron | Scapegoat Theory of Happiness
[SHINSHIN] Shinshin Nijigenron | Mind and Body Two Dimension Theory
(C92) [Koniro Drops (Morishima Kon)] Rironjou 3-patsu made nara Taeraremasu. - In Theory You Can Tolerate up to Three Shots (Splatoon)
CHEROKEE EXTRA LIGHT 13
[Yoru no Benkyoukai (Fumihiro)] Natsumatsuri (Sister Princess, Disgaea)
CrazyeMadapple
[Kobayashi Shounen] Mairandohatsuten - chapter 1 (ENGLISH)
[Poriureta] [TSF]妹「女体化した兄を犯すw」[百合注意]#四
ANGEL Club 2020-01
(C89) [Mokusei Zaijuu (Mokusei Zaijuu)] School Idol Intaishite, Otasa no Hime Hajimemashita (Love Live!)
Yggdrasil Dark
"Zettai Niau kara!!" tte Onegai Shite Shimakaze-kun Cos Shite Morattara Igai to Norinori datta Hon
Girls und Girls 5 ~AnOshi Sakusen desu!~
Seiya Kyousoukyoku | Christmas Eve Rhapsody
[Yanagi Masashi] Love Comedy Style 1 [English] [Solaris-H]
(Reitaisai 15) [Hakusen (Opanchu)] Okusuri Remilia! (Touhou Project) [Chinese] [脸肿汉化组]
Thunder Blade
(SC24) [bolze. (rit.)] Depai P.T. (Tenchi Muyou!)
Oshikake Nyanko
[Hasunko(Hasuya & Bronco)] Punipuni Jigokuhen
Konyoku Rotenburo de Bishoujo Futari ni Are o Misete to Onegai Sareta Ato no Sarani Ato no Hanashi
[Studio Proteus (Hiroyuki Utatane)] Countdown Sex Bombs 05 (English)
(C90) [Batten Kariba (mmm)] Datenshi Yohane Kabejiri Benki (Love Live! Sunshine!!)
Himitsu no ImaVi Satsueikai