Projectile Theory

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

The Summer I Got Fucked...

MEMORIES

Yuuki o Dashite | Be Brave

(C80) [Kaiten Sommelier (13.)] 26 Kaiten Shiko-Shiko Supporter

Bobby, mother and sister

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

[AXZ (Ryuuta)] Infinite Chifuyu-nee! Angel's stroke 54 (IS <Infinite Stratos>) [English] [desudesu]

[Yuruyakatou] Kamokude Mukuchi na Josoukko [English]

Magic Muscle Girl Six Pack / Jackasss (nWa 7th in Light Heavyweight) ENG

(C80) [Chiisai Hou ga Ii.×Mugijirushi (asaki & Tairi)] Happy Toy (Touhou Project)

Big Breasts Flat Theory

WAKU 2

(CSP6) [Cyclone (Izumi, Reizei)] Bon-Bon (Mahou Shoujo Lyrical Nanoha)

I was captured. Continued.

(Reitaisai 15) [Right away (Sakai Minato)] Ranshoku Nikuhoushi (Touhou Project) [English] [hardcase8translates]

Empty Theory 4 - Well Definitely Meet Again

Soutaisei Virgin Theory

(C89) [Gouon (SWA)] Haha Netori 5 Mama Tenchou wa Haha Kara Tsuma Ninaru (Gundam Build Fighters) [English] {doujins.com}

Elements1 - Theory

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

[Ere 2 Earo] Ijime Bokumetsu Swapping Ch. 1 Shokuzai Mama ~Kiyomi Side~ | 扑灭霸凌的换母1 赎罪妈妈 清美篇 (COMIC Magnum Vol. 166) [Chinese] [流木个人汉化]

(Gunreibu Shuho & Houraigekisen Yo-i! Goudou Enshuu 3Senme) [Seniman Kartun (Kosuke Haruhito)] Kaga Mizugi (Kantai Collection -KanColle-)

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

Without Love

(C86) [Kaitsushin (Namamo Nanase)] YAZAWA Nico no Mezase! GraDol (Love Live!)

[Kurenaiya (BLACK ANGEL)] Youbou 2 -Kiminozo Book 2002 Winter- (Kimi ga Nozomu Eien)

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

Soutaisei Virgin Theory

[Muchakai (Mucha)] Chii-chan Kaihatsu Nikki 3 | Chii-chan's Development Diary 3 [English] {Doujin-moe.us}

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

Cos Hame Hitozuma Koubiroku

(C86) [Toluene Ittokan (Pierre Norano)] Nagato Kaori (Kantai Collection -KanColle-)

Onna Kenshi Haiboku Ryoujoku

(C92) [Takeya (Taketora Suzume)] Oya Kuro Shiree (Kantai Collection -KanColle-)

[Q] Hatsu Date wa Lingerie Shop | Our First Date was at a Lingerie Shop (Otokonoko wa Itsudemo Moteki 2) [English] [ilwaz]

Kyou no Yasumi Jikan Iinchou ga Toilet ni Ikou to Shitara Minna de Zutto Jama Shiyouze

(COMIC1) [STUDIO HIMAWARI (Himukai Kyousuke)] Fate-san no Katei no Jijou (Mahou Shoujo Lyrical Nanoha)

吾コソガ本妻ゾ

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

Shiori Gaiden Soushuuhen

(C86) [Noraneko-no-Tama (Yukino Minato)] Monokemono Hachi-ya [Chinese] [无毒汉化组]

[Escargot Club (Jyubaori Masyumaro)] KUSARI Vol.5 (Queen's Blade)

Fuzzy Theory

Lovely Mizuki no Tameiki Toiki

HIP TITS

(Mimiket 9) [Pastel White (Okahara Meg.)] Gyakuten Riyuu (Ace Attorney)

Aoba, Sennyuu ni Shippai Shimashita!

(C79) [Teraoka Digital Works (Endou Tatsumi)] Shoujo Musou Koi Dream Marriage ~Hoshiguma Yuugi~ (Touhou Project)

Empty Theory 3 - Cousin

ガルパン落書きいろいろ

魔淫籠催眠

[Cross Country. (Kurokan)] Dare mo Mitenai Series Kajiba Yokubou Elf ga Ochiteta node Itazura Shite Mita | Never Seen Series - Opportunistic Lust - An Elf Was Lying Right There So I Tried Pranking Her [English] {Doujins.com}

Sexy Hamburg

Isekai Elf Hatsujou no Magan

(C81) [Natakuga-Yuku! (Xanadu)] Liguria no Hitomi (Muv-Luv Alternative: Total Eclipse) [Incomplete]

I'm a chair, a chair, a chair! =LWB=

[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

(Sougetsusai) [Imomuya Honpo (Azuma Yuki)] Arcueid No Hon (Tsukihime)

(C83) [ReDrop (Miyamoto Smoke, Otsumami)] Ohime Beast! (Neon Genesis Evangelion) [English] =LWB=

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

Yoru no Nero Sai

Innocence1 - Theory

[Organico (Organico)] Putaya Kawai ya Kawai ya Putaya (Final Fantasy XV) [Digital]

FANBOX 合集

(SC49) [Toko-ya (HEIZO & Kitoen)] Saint Foire Festival 2 [English] {Mant}

Succubus Club e Youkoso 3 Ikenai Ko ni wa Oshioki o

Shitaku Nacchatta Ch.7 Mail Mixup Moms

[Shunjou Shuusuke] Yuukan Days | Leisurely Days (COMIC MUJIN 2010-07) [English] [desudesu] [Decensored]

A Kid’s Theory

Tokorode Oshiharai ni Tsukimashite

[mdo-h] Soutaisei Virgin Theory [Digital]

[Arenowaiyo. (Aree)] Ren-chan wa Papa ga Suki. [Chinese] [不咕鸟汉化] [Digital]

[Kometubu (Rittiri)] Love your sweets (Bakumatsu Rock)

Scapegoat Koufukuron | Scapegoat Theory of Happiness

Saimin Zecchou Yuzu Shibori

[E-Musu Aki] Hajimete no Okaa-san | The First Mother (COMIC MILF 2012-04 Vol. 6) [English] {Kusanyagi}

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

[KAMADI, OneDollar, Grilled Mero] Absolute Hypnosis in Another World (1-24) [English] [Ongoing]

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

Encounter + Encounter After

Empty Theory 7 - Destroyed Family

(Reitaisai 15) [Tetoga] Onee-chan-tachi to Ecchi Shitai! (Touhou Project) [Chinese] [基德漢化組]

[Tenro no Kokoromi] Ookami wa Ringo no You ni Amazuppaku (Ookami to Koushinryou / Spice and Wolf)

Orcs and juvenile ω love evolution theory

Empty Theory 2 - Sky High

Noazami no Koi - The love of field thistle.

[Tsukumo Gou] Higurashi | Evening Cicada (Sentimental na Toki) [English]

[Idomizuya (Kurosuke)] Aiko Myu Endless 6 (THE IDOLM@STER CINDERELLA GIRLS) [2018-03-18]

[Erect Sawaru] Raikou Shinki Aigis Magia - PANDRA saga 3rd ignition - Part 1 - Biribiri Seitokaicho (COMIC Unreal 2016-10 Vol. 63) [Chinese] [final個人漢化]

Empty Theory 6 - Hearts Scheme

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

Takashi-kun wa Suki desu, demo Papa no Hou ga motto Suki desu.

boyish dakedo ×× ha yowayowa

[Miyabi Tsuzuru] Haha no Naku Ie Ch. 2-3 [Chinese] [為了拯救自己的蛋蛋漢化]

Hiyake no Zenra Girl wa, Doutei o Sotsugyou shita bakari no Senpai ni Hamedori saseru

(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]

[Hinaprin, Kitsunenomori (Various)] TechnoEros (Touhou Project)

Sukumizu Tai Burumagi | School Swimsuit vs Gym Shorts

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

(C76) [AXZ (Various)] Angel's stroke 33 Tetsuwan Kuunyan 2 (Birdy the Mighty)

(C90) [Popochichi (Yahiro Pochi)] Love:Rem kara Hajimeru Sourou Kaizen Seikatsu (Re:Zero kara Hajimeru Isekai Seikatsu) [Sample]

Kuso Maso, Rakusen. | Lose the Election, You Shitty Maso.

(C80) [PX-Real (Kumoi Takashi)] Himitsu no Melody (Suite Precure♪) [English] [SaHa]

Empty Theory 5 - Advantage

[Blmanian] Takeshiryuu Shin Kenpou Gaiden Yurika Ikimasu 1-2 [English] [Fated Circle]

(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]

Bukiko ga Kokuhaku Sareta Ken 4

[Aoi Hitori] Yankee Zuma Kanraku! ~Hitozuma Kanochi Onsen~ Ch. 5-6 [English] [eric0contact] [Decensored]

[Drei (Various)] Hechima no Usui Hon (Hechima ni Koi Suru Joshikousei -JK x JK-)

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

Empty Theory 8 - Apparent Flash

[Uten Ameka] Namaiki Inma no Seijijou ~Zenpen~ | Sexual Situation With an Insolent Succubus - First Part (COMIC Anthurium 2021-10) [English] {brolen} [Digital]

[Zensoku Rider (Tenzen Miyabi)] Peach Mix (Xenosaga) [Digital]

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

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

Miss Mystic Ch.1-5

[Aa, Warera Katou Hayabusa Sentoutai (Katou)] Sweet Debu [English]

Light and Darlnell

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

Isekai TS Tensei Tanwashu | Isekai Genderbent Reincarnation Short Stories Collection

Empty Theory 1 - After Pleasure

Tenshi no Youni

[T.4.P (Nekogen)] Sensei ga Yasashiku Shite kureta node.... [Digital]

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

Onee-chan Nani Shiteru no?

(C61) [Honyo no Uchi (Honyo)] TWINKLE TWINKLE SISTERS 3 (Sister Princess)

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

[MonsieuR (MUK)] Tiny Evil 5 ③

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

Kimi wa Dosukebe

(C60) [Q-bit (Q-10)] Q-bit Vol. 05 - Accident of Lara Croft (Tomb Raider)

Niji no Ecchi na Himitsu

Cover + illustration

[Abutomato] Nightmare Hitori Aruki (Puella Magi Madoka Magica)

[Gyunyu-Gekijo, HEATWAVE (Gyuunyuu, Yuuhi)] Not True Relation (Yu-Gi-Oh! Zexal)

(SC18) [Digital Lover (Nakajima Yuka)] Rough Sketch 11 (Ragnarok Online)

[Gantai Critical (BeLu)] MCG Vol 3 - Mind Control Girl 3 (Toaru Kagaku no Railgun) [Digital]

(C94) [SHi's Laboratory (SHINGO)] Paizurina Sensei No Gokaku Oiwai

[Studio Rakugaki Shachuu (Tukumo Keiichi)] Ah! Megamigui-sama! 2 (Ah! My Goddess)

Kodomo no Riron | A Kid’s Theory

[SLW (Q1)] Aidorei Elf Senki 2 | Record of Slave Elf War 2 (Record of Lodoss War) [English] [DarkSpooky] [Digital]

Love Shot

K's Theory

COMIC Purumelo 2010-02 [Digital]