Theory

(C83) [ON YOUR MARK (SUNSON)] GaiChuu [English]

Last Omegaverse | 最后的A与O Ch. 1

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

[Uni no Tane (Uni8)] Pai Bitch! | 奶子 碧池 [Chinese] [忆之风汉化组] [Digital]

Cham Daisuki!

肉食蝸牛SS

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

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

Fuufu no Asobi

Idol Datte Koi o Suru

(C99) [Fountain's Square (Hagiya Masakage)] SENZOKU MIDNIGHT (Boku no Kokoro no Yabai Yatsu)

[MITEGURA (Kurosaki Bunta)] Nuts Eater 3 [English] [desudesu] [Digital]

Kodomo no Riron | A Kid’s Theory

Soutaisei Virgin Theory

Shoukaisho ni wa Goyoujin

A Professors Theory on Love and Sex Reassignment Surgery

Byouin Ecchi Massage

Innocence1 - Theory

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

dos-A

Soutaisei Virgin Theory

Shiro OnePi Onee-san to Babubabu Inaka Ecchi

Empty Theory 8 - Apparent Flash

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

Sirona Sister of the Year of Momo

(C97) [Dai-kotetsu Dan (92M)] Daga Watashi wa Ayamaranai (Princess Connect! Re:Dive) [English] [Tomoshibi]

Happy theory

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

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

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

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

Empty Theory 5 - Advantage

(C85) [Jitaku vacation (Ulrich)] Ore wa Imouto ni Katenai.... (Kantai Collection -KanColle-) [Chinese] [沒有漢化]

[Minazuki Ayu, Mishouzaki Yuu, Zerono Kouji] Juu no Rettou (Isle of Beasts) Vol.2

[Shou Akira] Bad Luck? (Seme Ane) [English] [CopyOf] [Decensored]

Nishizumi-san wa Sukebe da na 2 | 西住同學很好色

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

[Touzoku Tachi no Rakuda no Mure (Beti)] trifle (Utawarerumono)

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

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

[mori no teiryuujyo (hanamori mikan)] ao no shizuku ~Shinshi na Dekiai Kareshi ga Hyouhen shimashita~｜苍白的水滴～绅士的宠爱我的男友发生了剧变～ [Chinese] [橄榄汉化组]

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

(C93) [Studio Aruta (Kusui Aruta)] School Idol ga Iru Fuuzoku ga Arutte Hontou desuka? 12 Hanamaru-chan to Sugosu Sweet Time Hen (Love Live! Sunshine!!)

Empty Theory 7 - Destroyed Family

Mukuchina mei-kko Murase Rihoko

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

Evelynn and Zyra

(C92) [Roubai-tei (atahuta)] Double Bind ~Seisou Seiatsu~ (Fate/kaleid liner Prisma Illya)

K's Theory

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

Anata ni Okuru Ero Novel

1000-kai Iku made Deraremasen

[mdo-h] Soutaisei Virgin Theory [Digital]

(SC2015 Winter) [FRAC (Motomiya Mitsuki)] Kimi Naki Sekai (Kantai Collection -KanColle-) [English] [PSYN+Facedesk]

Otokonoko Fuuzoku de Onnanoko Mitai ni Ikasarechau Anthology 3 motoshimei

[Seto Yuuki] Stretta [English]

Fuuka Fuka

Skin color collection

SKETCHBOOK 2 EXTRA

[Kyomu no Uta (Satou Toshio)] Trinity (Various)

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

(C78) [Public Planet (Kousei)] Majiero (Yu-Gi-Oh!)

[Takahama Tarou] Hengen Souki Shine Mirage THE COMIC EPISODE 1-8 [Chinese] | 变幻装姬闪耀幻影 官方漫画 1-8话 [退魔大叔个人汉化]

Mama-san Volley-bu Ultimate | Ultimate Volleyball Club For Moms

Imouto Button

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

(CCOsaka97) [Gummy! (Iincho)] Ichibyou Demo Nagaku (Free!) [English] [Baka Dumb Aho Scans]

Empty Theory 1 - After Pleasure

(C89) [Jitaku Vacation (Ulrich)] FetiColle VOL. 02 (Kantai Collection -KanColle-)

A Toy With Sadness Extra

Makoreipu - Free doujinshi English

Nukinuki Family Sex ~Haha to Ane to Imouto to Boku to Sex~

[REI's ROOM (REI)] Hazumu Jamu (Kashimashi ~girl meets girl~) [English] [Deja Vu]

[Mikoto] Angel・Scout

Ken en no naka

おっぴろげリゼちゃん

Tim & Stella 2

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

Mune Ippai no Dizzy Ch. 8

[Lithium] 100-nichigo ni Aiken to Sex suru Jimi Kyonyuu Megane-chan [Ongoing]

[Peso] Nazrin ga Tsujigiri Chinpo Youmu ni Okasareru Hanashi (Touhou Project) [Digital]

(Douyara Deban no Youda! 6) [Himatsubushiken (Yui)] Neko Wazurai (Boku no Hero Academia)

[Echigoya Takeru] Yuugeki Shoujo Ataru-chan | Guerrilla Girl Ataru-chan (COMIC Anthurium 2018-08) [Chinese] [爱弹幕汉化组] [Colorized] [Digital]

Empty Theory 2 - Sky High

Kaze no Tani no Shiriana Shussan

(C83) [Dream Halls! (Tsuzuri)] Mitsuhyouka (Hyouka) [English] {doujin-moe.us}

[Maeshima Ryou] Yumemiru Ohime-sama (Mesu ni Umareta Omae ga Warui!!) [Chinese] [Digital]

Stage Off

(Reitaisai SP2) [Binmalo (Beti)] Patchouli Bloomerstic! (Touhou Project)

Orcs and juvenile ω love evolution theory

Empty Theory 4 - Well Definitely Meet Again

(C93) [Matsuge Antenna (Maihara Matsuge)] ENGAGEMENT (Girls und Panzer)

Undress

[b-qoon (o-zicha)] Hyakkiya Tantei Jimusho ~Eromuchi Youkai Tantei "Hikari" no Jikenbo~ [Chinese] [鹰小队翻译组]

Shotagui Rumia Ketteisen | Shota-eating Rumia Compilation

Scapegoat Koufukuron | Scapegoat Theory of Happiness

Elements1 - Theory

Kawaii Ano Ko wa Futanari-kei Nikushoku Joshi Final Chapter

Shitataru Kanohaha Ch. 4

(C88) [Mano-ya (Nagisa Manoa)] Sekkaku Dakara, Ore wa Kono Nyotaika de xx Suru ze! (Ore, Twintail ni Narimasu.) [Chinese] [塔布里斯個人漢化]

[Carradine] Boku o motto kawaiku shite [English] [mysterymeat3]

Kotatsu no Nakami

Girls Beat! Plus Rie vs Ayu & Mari

(Comitia 082) [FESTA. (Yoshitani Motoka)] Taiyou Shoujo (Hidamari Sketch) [English]

[Mitarashi Kousei] Lolikko - Lolita Girl

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

Big Breasts Flat Theory

FULL METAL 2

Kako-san to Shota P | 鹰富士茄子与正太P

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

[Puranpuman] Tanetsuke! Houman Gakuen

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

[Jairou] Rankou de Wakarou! [English] [MrBubbles + hardcase8translates + biribiri biribiri.cc]

[Metea]TS musume wa o chinpo ni makenai

Fuzzy Theory

(C66) [Runners High (Chiba Toshirou)] CELLULOID - ACME (Ghost in the Shell)

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

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

Empty Theory 6 - Hearts Scheme

(Douyara Deban no Youda! 21) [caramelt (Inata)] Jaa Ore to Tsukiae. (Boku no Hero Academia)

(C91) [BRAVE HEART petit (KOJIROU!)] Kashima Tutorial (Kantai Collection -KanColle-)

(C90) [Kamogawaya (Kamogawa Tanuki)] GuP is Good! (Girls und Panzer)

A Kid’s 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]

Empty Theory 3 - Cousin

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

Akai Tsuki | Red Moon

(COMITIA76) [Shimoboard (Shimosan)] Sukumizu Hiyakeato-zoku

(C82) [MURDERHOUSE (Workaholic)] Oshiete Rito-Kun! (To LOVE-Ru) [English] {Doujins.com}

Boku no Risou no Isekai Seikatsu 5

Carnal Chaldea 3

[FallinMoon (Gauu!?)] Nuruneba!? (Kyoukai Senjou No Horizon) [English] [Chocolate]

[Ginjou Maggots (Kurotama)] Bonyuu o Dasu Onna-tachi (Granblue Fantasy) [Digital]

ポケモンまとめ

Utakata Otome

hatsujyouki no Rapikachan to kimagure de H suru hon

Slave Asuna Online 3

(C78) [ERA FEEL (Kuraoka Aki)] Aru Omise no Ichinichi - Keshikaran Musume-tachi (Touhou Project)

N Zukan ~Fellatio Hen 2~

awarekunoichi haritsukeryoujokutan

(Ama~i Koi o shimasho!) [Niratama (Sekihara, Hiroto)] strawberry fraisier (Love Live!) [English] [N04H]