Diffusion Innovation Theory

Soutaisei Virgin Theory

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

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

Ikkai Daitemi!?

(C91) [Alpha to Yukaina Nakamatachi (ALPHa)] Kiss + Sexterios (THE IDOLM@STER CINDERELLA GIRLS)

A Kid’s Theory

Keith the Juicy Doll

[Panna Cotta (Mitsuki)] Kaasuto kaidatta ore ga, saikyou no biyaku o te ni ire yari makuru 2 [Chinese]

[Yasohachi Ryo] Nyuuwaku Yuugi

PuruPuru Hearts

Seijo no Gohoushi

(C74) [Nagiyamasugi (Nagiyama)] Sakuya to Haru-san no Yabou | Sakuya and Haru-san's Ambition + Hinagiku (Hayate no Gotoku!) [English] [ianuela]

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

[Irojikake Matome Blog (Kurokawa Otogi)] Renzoku Kyousha Challenge (Paizuri Senmon Zasshi "Zettai Chichi Kyousha" Vol 1) [English] {Stopittarpit}

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

(C85) [CotesDeNoix (Cru)] Innovate Heart (Hyperdimension Neptunia)

Elements1 - Theory

Empty Theory 6 - Hearts Scheme

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

生徒たちに常識改変された先生の日常-シロコ&クロコ

Dokidoki Prominence

[laliberte] Wife [English]

Empty Theory 2 - Sky High

Teacher Ikeda's Heatstroke Countermeasures

Haru Kakete, Uguisu | 莺盼春来 Ch. 4-5

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

Kodomo no Riron | A Kid’s Theory

K's Theory

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

Happy theory

Mokomoko xx Diffusion

Pet Maki-chan Part 1 Full remake

Nano Para 2

[Theory of HEAVEN (CROW)] Ikuiku! Ikuma-kun! (Black Jack) [2017-08-20]

Crow (Theory of Heaven) - Honey Kami the 2nd vol.0.7

Timid and Kindness

Empty Theory 1 - After Pleasure

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

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

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

[Hashimura Aoki] Otoko Rashiku (COMIC AUN 2016-09) [Chinese] [揮淚錦馬超漢化]

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

Innovate Heart Another √chaos

[A.O.I, HEARTS & CRUSTS (Nanana Nana)] Kami no Ryoujoku Kouryakuki (Kami nomi zo Shiru Sekai) [Digital]

Innocence1 - Theory

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

7-kakan de Jikkan! Sex Pack

A Professors Theory on Love and Sex Reassignment Surgery

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

[Ryuutai Urinal (Ryuutai Niku)] Mokomoko xx Diffusion (Tropical-Rouge! PreCure)

Yukikaze to Hitonatsu no Seichou

Ichigo 100% - Ichigo Hankacho 2

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

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

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

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

bou 12

[Theory of HEAVEN (CROW)] Onikuya Ken-chan (Anyamaru Tantei Kiruminzoo) [Digital]

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

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

Servant o Ushinatta Fujimaru Manga

[Echie Kokufuku Aka (Monota)] 1-sshuukan no Aida 100-kai Zecchou shitara Kore kara Tsuku BaSta ga Isshou Kaijo dekinaku naru Noroi no Ohanashi [English] [MrBubbles]

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

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

Umie Iko | 去海边吧

Kokkoro-chan ni Chouai o

Big Breasts Flat Theory

(C92) [Ponponpain (Ponpon)] Ro-chan Yasen Ganbari masutte... (Kantai Collection -KanColle-)

Empty Theory 3 - Cousin

Empty Theory 5 - Advantage

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

[Yuunabe Shinkouchuu (Tanabe Kyou)] Gakkou Tokidoki Sex Ya-san 2-jikanme

Nan Da Kan Da To Ii Kanji

(C95) [Recaroya (Recaro)] RECARO GIRLS Vol. 2 (Granblue Fantasy)

1998

Watashi no Futanari Maid-chan

[CotesDeNoix (Cru)] Innovate Heart (Hyperdimension Neptunia) [Chinese] [灰羽社汉化] [Digital]

Innovate Heart Another √chaos

(C77) [Tousen Soudou (Tousen)] Pi no Field (Rozen Maiden)

(C95) [Shoot The Moon (Fuetakishi)] Orihon 1 [Chinese]