Theory Austin

A Professors Theory on Love and Sex Reassignment Surgery

[Poju] Outer Works [Shotacon, Yaoi]

Okiniiri no Kaden o Suki na Ko no Namae de Yondetara Sono Sugata ni Natte Arawarete Kureta.

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

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

Soutaisei Virgin Theory

Lethargic Sister Tolerates her Brothers Pranks

COMIC Penguin Club 2007-09

(C62) [SPT (Kakenasi)] Kubiwa Tsuushin Volume 3 (Various)

[Mujitan (Tsumugie)] America kara Oppai ga Semete Kita zo - The Oppai Invasion from USA (Kantai Collection -KanColle-)

Empty Theory 1 - After Pleasure

DEMONGEOT Ver.B

Empty Theory 5 - Advantage

Push de Zecchou! Yarechau Button ~Renda de Koshifuri B Dash!~ 1-2

[DOZA Village (Dozamura)] Ore no Kawaii Namaiki de Bitch na Otokonoko 2 [Digital]

Happy theory

[Miraiya (Asari Shimeji)] Bumbling Detective Conan - File 10: The Mystery Of The Poltergeist Requiem (Detective Conan) [English] [Tonigobe]

Tane no Nai Hachi

Mariko-chan ga Iku!!

Ahou Shoujo Yukina to Futanari Majo to Akuochi Kaizou Shokushu

Empty Theory 6 - Hearts Scheme

Three Persons

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

Silky Whip Extreme 04

(C87) [Shoujo Kishidan] (Rescan) THE PLEASURES OF PRINCESSES (Amagi Brilliant Park)

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

C95 Omake Paper

Namaiki! 2012-04

(C74) [Saihate-Kukan (Hino Hino)] FLAT REVOLUTION (Zero no Tsukaima)

Kodomo no Riron | A Kid’s Theory

(C90) [NiseMIDIdoronokai (Ishikei)] Natsukisugi (Various) [Decensored]

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

Watashi wa Aru no Anal ga Iin da yo!!

Elements1 - Theory

Itoshii Kimi e

(Shimokata Kouzou) Nipple magician vol 1 issue 4 (english)

(HaruCC21) [Purincho. (Purin)] Himitsu no Jikan (Naruto) [English] [EHCOVE]

Akutoku Sister ga Koi o suru Hi

Ryuuguu Oto no Yome Sagashi

Urabambi Vol. 9 - Neat Neat Neat

Houkago no Yuutousei Cap.02

(COMIC1☆3) [bolze. (rit.)] Beikokujou Monogatari Saki (Hayate no Gotoku!)

Naraka

Youkoso Futanari Succubus Semen-tan

[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) [Chinese] [沒有漢化]

Hakugan @ Shana

[Jingrock]JK Nanka Kowakunai | School Girls Don't Scare Me (COMIC X-EROS #06) [Chinese] [榨乾巨屌正太兩顆蛋蛋的的滾燙精液漢化姐] [Decensored]

(C44) [METAL (Sengoku-kun)] Sengoku (Record of Lodoss War, Sailor Moon)

Barin no hon

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

[小学舎] スマイル総決算監禁陵辱調教

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

Manzoku suru made ××× shinai to de rarenai heyasample

(C75) [THE FLYERS (Naruse Mamoru)] SELFPORTRAIT 2008

(C84) [SANB. (Ito Ryusei)] I AM HUNGRYSPIDER (Haiyore! Nyaruko-san)

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

EDEN'S DOOR | 에덴의 문

Kuroyuri no Hanakotoba

XXX All Night Long in a Rush Hour Train - Part 2

Kinjo Yuuwaku Mama Hen Kouhen {biribiri}

[Shoryutei Enraku] Seishin Kaihouron | The theory of releasing your real self (Nozoite wa Ikenai 7 - Do Not Peep! 7) [English] [Quick and easy translations]

K's Theory

桜春女学院の男優

Ryousai Oneshota Tamamo-chan

COMIC Momohime 2009-06

(C58) [Okosama Pancake (Alroune)] Austin Reika DX*DX (Ojamajo Doremi)

[プリ坊] ほいく姦-道化師の種-（Chinese）

Otome Mankai Himehajime | Maiden in Full Bloom

A Kid’s Theory

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

(HaruCC19) [A.M.Sweet (Hinako)] Heichou, Suki tte Itte Kudasai! ! (Shingeki no Kyojin) [English] [Moy Moe Scanlations]

Empty Theory 3 - Cousin

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

[Suizokukan (Iiyo Koiyo)] Hentai Saimin Ryouhoushi Tadokoro Yae [Digital]

passing rain

Soutaisei Virgin Theory

(C91) [Himameshiki (Lolimoyashi)] Hyoui Gattai Komeiji Koishi in Rumia (Touhou Project)

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

[Anthology] Isekai Musume to no Kousetsu [Digital]

[NiSuSu] 茉茉的壁足 02

[Kishizuka Kenji] Intention #5E (COMIC HOTMiLK Koime Vol. 18) [English] [Project Valvrein] [Digital]

Mumyou no Uzu Ch. 1-9

[Urajirou] Chiisana Koigokoro

[Girl's Maniax Original (BL) (Various)] DLsite Girl's Maniax Anthology Vol.7 -Mesu Ochi 2- [Digital]

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

Empty Theory 7 - Destroyed Family

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

[Neytirix] Rearanged [Chinese] [猫语汉化组]

[23.4do (Ichiri)] Succubus-kei Onee-chan wa Misetagari | Succubus-type is an Exhibitionist [English] [tsuyoshi] [Digital]

Rem no Koufuku H Ron | Rem's Happiness H Theory

School Caste Toranoana Kounyu Tokuten Leaflet

Empty Theory 4 - Well Definitely Meet Again

Orcs and juvenile ω love evolution theory

Nounai Pink JD no Kimagure H

[baroQue (Gemurax)] COLORFULO [English] {doujin-moe.us} [Digital]

oid

(C61) [Nakayohi Mogudan (Mogudan)] Nakayohi Mogudan (Neon Genesis Evangelion)

[Natsuki Kiyohito] Sotsugyou Shimashita. [Chinese]

Big Breasts Flat Theory

Asatsuyu ni Oborete

Hakoiri Musume Otoko o Shiru. | The Sheltered Girl's Experience With Men

(COMIC1☆7) [Matsurija (Nanaroba Hana)] Yuusha to Aka-chan Tukuritai (Maoyuu Maou Yuusha)

[Koshigerunasunibusu] WEB Sairoku [R18G] '> shut down/a'

Hetakuso na Suki no Tsutaekata

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

[Oyster] Tojou no Danran Ch. 1-6

Rerisshu 09

(C94) [Shiro Anmitsu (Shirony)] Summer Motion (Kantai Collection -KanColle-)

(C70) [Skirt Tsuki (keso)] Emma Chuui | Lieutenant Emma (Zeta Gundam) [English] [desudesu]

Boy Meets Nyaa God Ch. 1