Theorys

A Professors Theory on Love and Sex Reassignment Surgery

[Tri-Niv (Yuckey-san)] Touhou Short Ecchi Hon. (Touhou Project)

[Juan Gotoh] Soukan no Yoru | Incest Night (Zenra Inkou Sengen!!) [English] [VarKatzas666] [Decensored] [Digital]

[Sakura Puchilo] Motto Tayottemo Iiyo...? (Otokonoko Heaven's Door 5) [English] [BSN] [Digital]

[Draw Two (Draw2)] Moshimo Danshikou no Hoken Taiiku ga Jitsugi Ari Dattara 2 | 如果男校的保健体育课有实践环节的话 2 [Chinese] [Digital]

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

[Hebitunagary (SGK)] Shinobi no Musume wa Ijiritai Zakari 2 | Shlick-Crazy Ninja 2 (Final Fantasy VII) [English] {2d-market.com} [Decensored] [Digital]

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

Premium Lockhart N

Soutaisei Virgin Theory

changing diapers 2

[Nanairo Otogizoushi (Miyase Mahiro)] SANAEmotion + Sanaemo (Touhou Project) [Digital]

Empty Theory 1 - After Pleasure

[Barista (Kirise Mitsuru)] Dai Senkan Jidai (Kantai Collection -KanColle-) [Digital]

Empty Theory 5 - Advantage

[URARA] fate rewind+ (fate)

ナミまんが

(C80) [Gin no Hoshitei] ANOTHER ZONE (Outerzone)

Happy theory

[Touzoku Tachi no Rakuda no Mure (Beti)] PET BOUNDS

Bouzu to Fushidara | 走肾和尚与骚鸡咕哒

Masamune Shirow -Jashin Hunter 2

Empty Theory 6 - Hearts Scheme

[Nishimaki Tohru] TEEN XXX [Digital]

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

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

(COMIC1☆13) [Delayder (Makinon TM)] Owari wo Tsugumono

Kodomo no Riron | A Kid’s Theory

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

Elements1 - Theory

MATURITY | 性的成熟

(Futaket 5) [Sekai Kakumei Club (Ozawa Reido)] Mebuta, Kono Yuuyou na Doubutsu. (Strike Witches)

(C50) [TIMEST (Tokisaka Mugi)] Nyuu. (Neon Genesis Evangelion)

[Sarugaso] Girl Preyed Upon Monster [English][Decensored][Ongoing]

[Hyouuma] Yumemi Kokomi Chuuhen [chinese]

[Ameshoo (Mikaduki Neko)] Touhou TS Monogatari ~Youmu hen~ (Touhou Project)

Jeanne Alter wa H ga Shitai! | Jeanne Alter wants to have sex!

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

(C87) [hlz (Sanom)] D.D.Kingdom6 (DOG DAYS) [Chinese] [hado与怜个人汉化]

(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]

[Araki Kanao] Ai mo Koi mo | Love and Romance (Hinakan Hi! Vol. 01) [English]

Ange Kanraku | 安潔失守-SKB部企劃劇本 催眠NTR治療師

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

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

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

(Puniket 14) [BBB-Extra (Chuushin Kuranosuke)] Sakura-chan ga Taihen na Koto ni Nacchau Hon. 2 (Sakura-chan's Amazing Adventure Book 2) (Cardcaptor Sakura) [English] [desudesu]

[Samurai (Hige)] Square Enix Revenge (Seiken Densetsu 3)

[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

MOON ZOO

[Waffle Doumeiken (Tanaka Decilitre)] Boku dake no Kami-sama (Dungeon ni Deai o Motomeru no wa Machigatteiru Darou ka)

Uraaka Enjouchuu

[Studio Parm] PM 5 Hantte kara Satsurareru ka　Satsutte kara Hanrareru ka...Erabe (School Rumble)

(SC15) [Houkago Paradise (Various)] Oishii Milk (Digimon)

Reisen-shiki Stress Hassan Massage

Chie to H | Love-making with Chie

Majoran

A Kid’s Theory

(C91) [BONJin (Ozy)] Shihokan ~Iinari Onsen Ryojou Hen~ (Girls und Panzer) [Chinese] [新桥月白日语社]

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

Empty Theory 3 - Cousin

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

(CR33) [Shimoyakedou (Ouma Tokiichi)] Tsuki no Shizuku (Tsukihime)

(C78) [Triple Pinch! (Hikami Izuto)] Education By Little!

[Musashi-dou (Musashino Sekai)] Rangiku the Toilet (BLEACH) [English] [Chocolate + LWB] [Digital]

Soutaisei Virgin Theory

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

Saikin, Muko no Yousu ga Okashii!

Hyoui no Omajinai

[Shimesaba (Isaki)] Ori no Kitsune [Digital]

[Mx2J] Hahri's Lumpy Boardhouse Ch. 0~30【委員長個人漢化】（持續更新）

(C64) [Hijou Sochi (Hiroyoshi)] Enpitsu Manga patchwork

(C91) [Kurohonyasan (Yamashita Kurowo)] Amanogawa Kirara + Himelda + Mapuri Soushuuhen (Precure Series)

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

FGO GAMU-SYARA Collection 1

Empty Theory 7 - Destroyed Family

(CR32) [St. Armadel Ch. (Kagetora)] DOODLING

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

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

[Amagiri MIO] Fusei Koui ~Ubawareta Hitozuma~ | 婦性交為 ~被奪取的人妻~ [Chinese]

Empty Theory 4 - Well Definitely Meet Again

Orcs and juvenile ω love evolution theory

Koigataki Tettei Haijo Shugi | Love Rival Elimination Principle

S.S.S.DI

(C94) [Water Garden (Hekyu)] Dreaming (Fate/Grand Order) [English] {Doujins.com}

Big Breasts Flat Theory

[Chikaishi Masashi] Inshuu [Chinese] [最后的伊甸园]

IIkodane~tsu! Flan-chan!

[Hakueki Shobou (A-Teru Haito)] Ura Minami-ke 2 - Haruka Minami Hentai Roshutsu Densetsu (Minami-ke) [Chinese] [百合勿忘草个人汉化] [Digital]

(C87) [Kuroyuki (Kakyouin Chiroru)] Ore Yome Ranking 1 | My Bride Ranking 1 (Futari wa Precure) [English] {doujin-moe.us}

Shinigami wa Korosenai | 死神失格 Ch. 1-5

Musashi no Dokidoki Daisakusen _ Musashi's Heart-P

Solo Camp Debut ♥

[Tsukushino Makoto] Sexual Variety

Kaede-chan Seichouroku

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

[Konnyaku Nabe (magifuro Konnyaku)] Futanari Onee-san no Yuuwaku [Chinese] [沒有漢化] [Digital]

(CR28) [Toko-ya (Kitoen)] Waga wa Kurashi, Saredo Uruwashi 2 (Breath Of Fire IV) [English]

Konoha-don Okawari

[Sugar Milk] OrgaMusume [Digital]

Special Drink

(C94) [Yureru Keikoutou (Nishihata Kei)] Bus ni Nori Okureta kara Jikantsubushi ni Asashio-chan to Ecchi Suru Hon (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]

Boku no Risei ga Fukkatsu Shitara Master no Risei ga Jouhatsu Shimashita

Child Resolution

BOKO BOKO OPERATION 2

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

(C81) [HellDevice (nalvas)] Hara Gosick-chan | Pregnant Gosick Girl (Gosick) [English]

(C74) [doc. (Mayama Haruji)] Red Herring (Dynasty Warriors) [English] [Musou Hentai Club]

Naka Warui Furi Shite Kasumi to Teitoku ga ××× Shimakuri tte Hontou desu ka?

(COMIC1☆10) [Bloody Okojo (Akutagawa Manbou)] Shinobu Flicker (Bakemonogatari)

Tosho Iin no Karen-san 3