Diffusion Innovation Theory

(C76) [Bokonoke (Kaori)] 3P (Dissidia Final Fantasy)

Tachibana Arisu Hajimete no Hi | Tachibana Arisu's First Time

Scapegoat Koufukuron | Scapegoat Theory of Happiness

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

(C92) [Sanazura Doujinshi Hakkoujo (sanazura Hiroyuki)] Risei ga Jouhatsu Shichatta Kei (Fate/Grand Order)

(C85) [Egao de Bouryoku (mogg)] Yumerenbo (Touhou Project)

[RTD (Mizuga)] Egotism Paranoia (Touhou Project) [Digital]

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

(C94) [Sugar*Berry*Syrup (Crowe)] Indeki no Reijou 1 ~Hoka no Kyousi (Otoko) ni Shojo wo Ubawarete...~

Empty Theory 6 - Hearts Scheme

(COMIC1☆13) [Monochrome Circuit (racer)] Arisu-chan no Otona no Oshigoto (THE IDOLM@STER CINDERELLA GIRLS)

(C92) [Byousatsu Tanukidan (Saeki Tatsuya)] Type Change Tachibana (THE IDOLM@STER CINDERELLA GIRLS)

[Koume Keito] The Pollinic Girls Attack Vol. 1 Ch. 1-6 (English) {doujin-moe.us}

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

[Sakuraniku Umatarou] Atsugari Hime | Hot-Natured Princess [English] [Carstairs]

[Rozer] 我统治的世界(A World that I Rule) Ch.1-14 [Chinese]

Empty Theory 2 - Sky High

800 nen no yakusoku | 800年的约定

[Yashiro Ryo] Black New Type Okita VS Okita (Fate/Grand Order)

[No Limit] Maougun ni Tensei Shita node Cheat Nouryoku o Tsukatte Yuusha-tachi o Hametaosu!!

Kokkoro-chan ni Chouai o

[ButcherBoy] Household Affairs Ch.78-79 (English)

Innocence1 - Theory

[Ootani Mikoto] Seishun Kanjouron - youth emotion theory [R18 Ban] 1

Soutaisei Virgin Theory

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

(C89) [Inu to Kotatsu (Nanase Mizuho)] Kikuushi no Seikatsu (Granblue Fantasy) [English] [Doujins.com]

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

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

(C95) [OrangeMaru (nodoco)] Christmas no Seishouseki (Fate/Grand Order) [English] {The Ancient Hentai Theory}

Empty Theory 3 - Cousin

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

Seijo no Gohoushi

Innovate Heart

[Pyramid House (Muscleman)] Little Witch Fuck! (Bible Black) [English] [EHCOVE] [Digital]

Fuzzy Theory

[Shounen Byoukan (Kanno Izuka)] Killua tai Moburion (Hunter X Hunter)

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

(Kouroumu 10) [RTD (Mizuga)] Rin Ran After 2 (Touhou Project)

(COMIC1☆4) [Energia (Pikachi)] Amagasa Sensei to Houkago no Hi・Mi・Tsu (Hyakko)

Innovate Heart Another √chaos

[Yasohachi Ryo] Nyuuwaku Yuugi

Natsudoke

Matayuru-sou

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

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

Innovate Heart Another √chaos

(C94) [CotesDeNoix (Cru)] Innovate Heart Another √chaos (Hyperdimension Neptunia)

Cinderella, After the Ball ~Boku no Kawaii Ranko~

(CCOsaka82) [Totsugeki Wolf (Yuuki Mitsuru)] Okini Mesumama (Sangoku Rensenki) [English] [HimaHimaSeijin]

[Nanbou Hitogakushiki (Nakamura Regura)] Yamahime no Mayu Mata [Digital]

Wakan Seiritsu | Come into fornication 2

[mdo-h] DEVIL'S BORN (Soutaisei Virgin Theory) [Chinese]

Innovate Heart Another √chaos

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

Umie Iko | 去海边吧

Pet Maki-chan Part 1 Full remake

(COMIC1☆11) [Kaiyuu Kikaku (Suzui Narumi)] Miku-san ga 10 Shuunen ni Iroiro Omoidashi Tari Suru Ohanashi (VOCALOID) [Chinese] [脸肿汉化组]

(C85) [CREAYUS (Rangetsu)] Bubbles Noise (Code Geass)

(SC2015 Autumn) [Wasre Kaban (Nametake)] Granblue Ecchibon (Granblue Fantasy)

(C90) [L.G.C. (Riby(uhki))] Yamato-san wa Se ga Takai. 2 (Kantai Collection -KanColle-) [English] [constantly]

Soutaisei Virgin Theory

[CotesDeNoix (Cru)] Innovate Heart (Hyperdimension Neptunia) [Digital]