Heor

Kodomo no Riron | A Kid’s Theory

[Nagisa Eiji] Shitto wa Ai wo Kumoraseru | 嫉妒让爱蒙上阴翳 Ch. 1-5 [Chinese] [拾荒者汉化组] [Digital]

A Kid’s Theory

erotic shampoo

[Crow_Theory of Heaven] Gurren Lagann Shimo-kyun Haa Haa Hon Hadaka Negai (Gurren Lagann) [Raw]

Empty Theory 7 - Destroyed Family

(COMITIA122) [Bourgeois Ice Cream (Kasuga Tousen)] Shoujou Tosatsuba [English]

Canopri Comic 2011-12 Vol.14

[Sumiya] Dokuzetsu Onnanoko (COMIC Kairakuten 2014-02) [Chinese] [空気系☆漢化]

[Suzuki Kyoutarou] JC'S TRIP

UTSUHO HEARTSWITCH

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

Innocence1 - Theory

(C95) [SHIOHAMA (kylin)] Saimin TMP Gaiden Kalina (Girls' Frontline)

(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]

[Kaientai (Shuten Douji)] Ottori Mama wa Musuko no Onedari ni Yowai [Digital]

Soutaisei Virgin Theory

[Kleitos (Ryunosuke)] Kosaki-chan to H na Shinkon Seikatsu ~Soap Play Hen~ (Nisekoi) [English] [ageps] [Digital]

ShroUni!

[Rinji Party (Kamiya)] ELonely Wolf no Onee-san (Touhou Project) [Digital]

Big Breasts Flat Theory

Empty Theory 5 - Advantage

Swimsuit Chen hen

(Mimiket 22) [Nyaa. to Hidamari (Takamoto Akisa)] Neko Yome - Neko no Oyome-san (Touhou Project)

Ritsu x Mio

Soutaisei Virgin Theory

Yumemi Riamu wa Yume o Mitai

Empty Theory 3 - Cousin

Elements1 - Theory

Fuzzy Theory

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

[Gorilla Bouzu] Amaete Ii Yo ~Yasashii Obaachan~

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

(C95) [Hizatora (Kageshio)] ACTING LIKE (Fate/Grand Order) [English] {The Ancient Hentai Theory}

Valentine

Ai no Kaishin

[mdo-h] Soutaisei Virgin Theory [Digital]

The Coolest Mom Ever [English] [Rewrite] [olddog51]

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

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

Falling In Love Is Work1 - 6th Secret

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

Mother Misuko Mischief in Kotatsu

[Fuyuno Mikan] Chiisai Onnanoko ga Suki de Nani ga Warui! | What's Wrong with Liking Little Girls!? [English] [Rin]

[Yuuzu Tsushiro] Nininbaori wa Saikou no (Sex ga Dekiru) Ibunka Kouryuu desu | Cultural Appreciation Meets Sexual Education Ch.1-15 [English] [Ongoing]

Happy theory

K's Theory

Nikuhisyo Yukiko 36

Usagi wa Seiyoku ga Tsuyoi.

[Kuroiwa Menou] Hitozuma Club Bijo to Yajuu-tachi (COMIC HOTMILK 2020-05) [English] {The Ancient Hentai Theory} [Digital]

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

Konna Hazu ja Nakatta no ni R

[Umino Sachi] Lovely Maid

Hakase no Renai Kaizouron | A Professors Theory on Love and Sex Reassignment Surgery

(C67) [Nodoame (Ishida Nodoame)] Academy.1 (Summon Night)

[Puu no Puupuupuu (Shindou) ] Okasare Saimin Danshi 1-Rishika Inai Gakuen de Seikaku Saiaku no Ijimekko ni Okasare Makuru

Gomennasai Aruji-sama 3

Ryokan de Ichaicha

Pretty Virgin ~お外で♥初めてのxxx~

Empty Theory 6 - Hearts Scheme

Empty Theory 1 - After Pleasure

(C72) [Blind hope (Mashu Maro)] Nina no Spezielle Relativitätstheorie (Code Geass: Lelouch of the Rebellion)

Keiken 4-nin no Kai-chan ga 5-ninme no Oji-san ni Hatsuiki saserare Yuushou shita yo

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

Kyodai Musume Short Short Asagiri Yumi no Baai | Giantess short story: Asagiri Yumi’s case

A Professors Theory on Love and Sex Reassignment Surgery

(C64) [Salvage Koubou (Houou-tan)] Hoshii no... Akiko-san (Kanon)

[Taiyou no Megumi (Yamadori)] Danshikou no Hime-kun + Bokura no OtaCir no Hime-kun! [瑞树汉化组] [Digital]

[Ichihaya] Amaiki Kanojo [Digital]

Tainai Kaiki short manga

Empty Theory 2 - Sky High

[Shiraishi Asuka] Hatsujouki Shoujo - Horny Girl

Joy of Family 6 - Covert Mission

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

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

Red Hero Does Not Yield

[Kuritsu Yoshihiro] Hatsukoi Namahame Matsuri - The Namahame Festival

Kouma no Niwa no, Ki no Shita de