Theory

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

[Anthology] Kono Hito Chikan Desu! Vol.04

Natasha to H

Fukanzen Sankakkei - Incomplete triangle Saishuuwa

Star way to Heaven

[Fushisha O] Neko Nabe! | Kitty Pot! [English]

Shokushu Tensei

Boku no Koe o Kiku dake de Hatsujou Shichau Yandere Kyonyuu Kouhai ni Karada o Irekaerarete Shimatta!

Ubawareru Osananajimi

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

(C91) [Yuusha-sama Go-ikkou (Nemigi Tsukasa)] Meushi Dorei Sara no Netorare Choukyou Nisshi (Kantai Collection -KanColle-)

ミントのふたなりアヒージョ フォルテ添え

Matsuno Osomatsu no Sex Challenge

[Neko Neko Soft] 4-koma

Big Breasts Flat Theory

[Kouchaya (Ootsuka Kotora)] COMING EVENT 4 (Kantai Collection -KanColle-) [Digital]

Heian Joshi to 4P Fuuzoku Play

(C85) [Naitou2 (F4U)] the Pink - Tokusatsu Heroine Tsukamaeta!!! Part B

Empty Theory 4 - Well Definitely Meet Again

Soutaisei Virgin Theory

(C93) [United States Netamecol (Necometal)] Rika-chan to Sealx (THE IDOLM@STER CINDERELLA GIRLS)

(C59) [Totsugeki Wolf (Yuhki Mitsuru)] Prince & Princess (Atelier Iris: Eternal Mana)

ラクガキ幽香エロマンガ

(CosCafe20) [Costume Cafe Jikkou Iinkai (Various)] Costume Cafe 20 gou Mise Kaisai Kinenshi Red (Various)

[Metametadan (Metameta)] Shota Seme Colon (Choujuu Sentai Liveman) [English] [Erelzen] [Digital]

Elements1 - Theory

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

(C89) [Rico-ba (Rico)] Imouto to Cafe de H na Nyan Nyan Nyan [Chinese] [CE家族社]

"Otona nanoni Doutei w Dassaa w" toka Aotte kita TS Mesugaki o Wakaraseru!

Soko wa Miwaku no Scatolo Play Health Shimei Cast Miyuka-jou

[Kotoba Ai] Sis-pai Heaven! [Chinese]

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

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

Soutaisei Virgin Theory

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

[Berugamotto] Benjo-gari 3 (Godannar) [Chinese] [有条色狼汉化]

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

Ojou-sama mo Ecchi ga Shitai

Ritsuko Wa Ko-Tsukuri Ga Shitai

Shimizudani Ryuuka no Mijikai Ero Manga

Fuzzy Theory

[Shinokage] Sakura to Ichiko to Elevator

(COMIC1☆5) [Kyougetsutei (Miyashita Miki)] CITRON RIBBON 30 (Puella Magi Madoka Magica)

Kamonegi!

[Ipuu] (Azur Lane)

[Karma Tatsurou] Shota-gaibutsu Kyousou | Shota Obstacle Race (Shounen Ai No Bigaku 9 The Bokura No Undoukai) [English] [WarDance]

(C79) [Yaya Hinata-ya (Yaya Hinata)] Kanara-sama no Nichijou Go (Tonari no Miko-san wa Minna Warau) [English] [biribiri]

Empty Theory 3 - Cousin

[Kirikirimai (Enu)] Oni Sumau wa [Digital]

40cm↑

Kuro Majutsushi no Shitto | Jealousy Of The Dark Sorcerer

[Tsubaki Jushirou] Hallo Win Win (Imouto Access - Sister Access) [English] {Hennojin}

Bisko mo Mizugi ni Kigaetai.

(C88) [Kyuushoku Dorobou (Murakumo)] RESUMPTION 6 (Kantai Collection -KanColle-)

[face to face (ryoattoryo)] Rengesou Ni [Digital]

(Reitaisai 9) [Nori Tokumori (Iwanori)] Ano Hi Shittakabutta Nitori wa Otoko wo Mada Shiranai. (Touhou Project)

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

Happy theory

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

A Professors Theory on Love and Sex Reassignment Surgery

Sekigahara Shouji Hitodumabu

(C60) [BLACK LIST (Hiura R)] Himesama Shippo (Princess Crown, Napple Tale)

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

(C89) [STUDIO TRIUMPH (Mutou Keiji)] Astral Bout Ver.32 (ToHeart2) [English] {Hennojin}

[Zensoku Rider (Tenzen Miyabi)] Kobayashi-san-chi no Inu Dragon (Kobayashi-san-chi no Maid Dragon) [Digital]

Change! in the Corruption

Innocence1 - Theory

[Tendo Masae] Ochita Mesubuta-tachi - Ch.1-3 [English] {doujins.com}

Omoi no Aridokoro | 思念之所在

(C78) [BOKU.4SAI (Makita Yoshinobu)] THE WEST 2010/08/15 Summer

(SM6) [Hybrid Jimushitsu (Muronaga Char siu)] Hybrid Tsuushin Vol.07 (One Piece) [Digital]

(Aka no Hiroba 7) [Gessyu (Chouzetsu Bishoujo mine, Neko na Yasai, Fukou Jiman)] Miracle8 (Touhou Project)

A Kid’s Theory

(C75) [Kurimomo (Tsukako)] Angel Feather 2 (Code Geass: Lelouch of the Rebellion) [English] [CGrascal]

[mdo-h] Soutaisei Virgin Theory [Digital]

Darashina Sister Ch. 6

Scapegoat Koufukuron | Scapegoat Theory of Happiness

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

(C95) [Hakuginmokusei (Poshi)] Ero Rakugaki Bon @ C95 (Fate/Grand Order)

[Igura Don EX (Igu-kun)] Delta Attack!! (THE IDOLM@STER CINDERELLA GIRLS) [Digital]

(C92) [Soda Batake (Muteki Soda)] Maho Mika Onee-san to Midara na Senshadou (Girls und Panzer) [Chinese] [79G个人汉化]

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

[Unou] Muichai Mashita #2 (COMIC X-EROS #68) [Chinese] [最愛大屁屁x漢化組漢化組] [Digital]

Empty Theory 7 - Destroyed Family

Orcs and juvenile ω love evolution theory

Empty Theory 2 - Sky High

(C80) [Inu no Sekai (Inuarasi)] Meiko to Nurunuru Ofuro Asobi

(C74) [Minshuku Inarimushi (Syuuen)] Chichiranbu Vol. 04.5 (King of Fighters)

ラブすぎヒュムたん4

Empty Theory 6 - Hearts Scheme

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

Haha No Kawaki | 義母的性飢渴

Tenkawa Maihime Full Color Doujinshi Zen 8 Page

Kanmusu Chakunin - Beikoku Kanmusu Soushuuhen

[Applesauce (Sada Ko-ji)] Seikan Plugsuit Souchaku (Rebuild of Evangelion) [Digital]

(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]

A Way to Spend a Boring Afternoon CH. 3

Hidamari

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

(C90) [Itou Life] Kaga-san no Jimunuki Seikatsu (Kantai Collection -KanColle-) [Chinese] [丧尸汉化]

Daisuki na Hito nanoni SeFri Keiyaku Musunjaimashita... Ch.1-7 | 明明是最喜歡的人卻結下了炮友契約...

[メランコリック兵頭] CHOCOLATE DAY

Kimi no ana ni Sa re Tai!

collection of illustrations

[Granada Sky (Mogiki Hayami)] MilkSister II [Digital]

Empty Theory 5 - Advantage

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

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

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

(SC2016 Summer) [Squeeze Candy Heaven (Ichihaya)] Imouto wa Amnesia

[Anthology] Comic Alice Sister Vol.2

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

Empty Theory 8 - Apparent Flash

(COMIC1☆10) [SAZ (soba)] Kono Kairaku Ga Sugoi! (Kono Subarashii Sekai ni Syukufuku o!)

(C93) [Shirojia (Shirono Jia)] Yukinohi. (Yahari Ore no Seishun Love Come wa Machigatteiru.) [Chinese] [脸肿汉化组]

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

Sextet Girls 3

Succubus Okaa-san Manga

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

[Waku] フランちゃんのディナー (Touhou Project)

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

Empty Theory 1 - After Pleasure

<Aishite! Homun Zoukan> Homun no Kimochi 1 Chikoto Sensei

BIRITAI

[Yamamoto] Hard na Oshigoto! | It's hard work! (Dragon Ball) [English]

(C79) [SANGENKAIDOU (Mifune Yatsune)] Touhou Fuuzokujou (Touhou Project)

[Kojima Miu] Onna Kagi ~Mesu Kagi~ | Girl's Use Key (Ore no Kaa-san ga Itsu made mo Erosugiru) [English] [Secluded]

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

Kame Sennin no Yabou II

Bakunyuu Sister x Kyokon Goblin

[Sailor Q2 (Ryö+Den)] Ayakaritai65 (Bishoujo Senshi Sailor Moon)

Ano Koro Tenshi Datta Kimi ni

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

T.S. I LOVE YOU... 1 Chapter 8

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

[新堂エル] 変身 -emergence- 第6話 [Chinese] [个人汉化]

[Endless Requiem (yasha)] Boukensha Senyou no Ura Fuuzokuten [Chinese] [星光汉化组] [Digital]

DQ-LABYRINTH

(C95) [Inai Uchi ni (Inai)] Zababa no (Senki Zesshou Symphogear)

[Monshiro] Oji-san to Oji-san ga Watashi o Yobu

(C86) [NF121 (Midori Aoi)] Saijou Suzune no Seiyoku Shori Kyoushitu | Saijou Suzune's Sexual Gratification Class (Super Robot Wars ZIII) [English] {doujin-moe.us}

See-Through School Swimsuit Splash!

[Hirodilabo] (Ishikawa Hirodi) Greedy Navel Desire - an examination of a few belly buttons - [English] [Digital]

Okkii Imouto Chicchai Ani | 大大的妹妹 小小的哥哥

sex-change ritual

Kodomo no Riron | A Kid’s Theory

K's Theory

[Okayusan] Yatte Shimai Mashita [Chinese] [清晰版(第五話為自行漢化)]

[Taurin 1 Oku (Tataru)] Ganbare Bijutsubu Danshi Buin! [Chinese] [沒有漢化] [2016-08-20]

[Amagaeru] Lolibabaa to Mago - Fuyuyasumi-hen | Lolibabaa and Grandson - During the Winter Break (Youkai Koryouriya ni Youkoso) [English] {CapableScoutMan & bigk40k}