Theorys

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

(C93) [WindArTeam (WindArt)] Gohoushikan Belfast (Azur Lane)

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

Empty Theory 1 - After Pleasure

Sukebe de Otaku na Ore no Sensei

[Kumano Tooru] Chotto… Shite Minai? [Digltal]

Ochikobore Succubus

[Tonda] 無知ックス

COMIC Megastore 2012-01

(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]

Junior High Aru Chuugaku Kyoushi no Yokubou-tan

[Kaniya (Kanyapyi)] Iku-chan no Seichou Nikki (THE IDOLM@STER MILLION LIVE!) [Digital]

Exotic Trip

Nichijou o Kaeshite | 把日常还回来

Futanari Yousei Kishi Gawain

Sister Kazuki-senpai

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

(Ore no Turn 3) [WANI CAP (Marimo)] Ryoga to Yuma no Aida (Yu-Gi-Oh! ZEXAL)

Innocence1 - Theory

Empty Theory 2 - Sky High

(C88) [Akatsuki Katsuya no Circle (Akatsuki Katsuya)] Nyotaika Pandemic 2 [English] =LWB=

[Hoshiai Hilo] Ore no Taisho (Shounen Ai no Bigaku II The Yancha Shounen) [Fan Colored]

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

Nunnally to Yariyari Tea Party

Purimusu! Soukangou

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

Succubus-chan Ikusei Nisshi | Sex Education Dairy Succubus-chan

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

Big Breasts Flat Theory

Fuzzy Theory

Suzuya mo Cosplay Suruyou

Empty Theory 5 - Advantage

Empty Theory 3 - Cousin

(C89) [Majihama. (Mebata Shun)] Momota-ke 5 ~Renji to Mitsugo Chuuhen~ | Momota-ke 5 ~ Renji and Three Brothers - Second Volume ~ [English] {Shotacon Fusion} [Decensored]

Galio

Empty Theory 4 - Well Definitely Meet Again

K's Theory

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

(C91) [Nanairo Koubou (Martan)] Isei Tenshi Peni Cream

Soutaisei Virgin Theory

[Aoyama Akira] Sex and the Bitch City Ch. 1 (COMIC MILF 2014-04 Vol. 17) [Chinese] [朝三暮四汉化]

Yomosugara

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

[Ikinariya (Ikinari)] Toshoiin no Karen-san 3 | Karen-san of the Library Committee 3 [English]

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

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

Pure Love Sadistic ch 8

Kusuguri Ryoujoku Nitta Minami

WHAT'S YOURS IS MINE, AND WHAT'S MINE IS MY OWN.

Netafuri Mother {Kusanyagi}

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

Kichiku Eiyuu Vol.04

(Kouroumu 6) [Divine Fountain (Koizumi Hitsuji)] Puni Puni Milky Sapphire (Touhou Project)

[VISCARIA (Atera)] Fake Angel

DOLL［s］;Note

[Tomihero,] Doutei no Ore o Yuuwaku suru Ecchi na Joshi-tachi!? 15 | Perverted girls are seducing me, a virgin boy!? 15 [English] [Digital]

(C87) [Jenoa Cake (Takayaki)] Ushio Ohme. (Kantai Collection -Kancolle-)

[Sevengar] Sochin kara Onnanoko o Sukuu Kai | search and rescue squad to Save Girls from short dicks (COMIC HOTMILK 2022-03) [English] [Aishi21] [Digital]

Elements1 - Theory

[Daisuki!! Beachkun] Aa... Natsukashi No Heroine Tachi!! Urushihara Satoshi K Collection

(C93) [Alice no Takarabako (Mizuryu Kei)] Mamono-sama no Shimobe | Servants of the Demon Lord (Dragon Quest XI) [English] {darknight}

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

[giga] 古見さん (Komi Can't Communicate) Shouko Komi

(C93) [Haiiro Koubou (Amano Kazumi) [Harmoniodeon] (NieRAutomata) [English] [EHCOVE]

[Takotokite] Honto no Kanojo 3 -Kanojo ga Hoka no Otoko ni Dakaretemo- | The Real Girlfriend 3 -Even if another man is having her…- [English]

Empty Theory 7 - Destroyed Family

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

Little Darlin' III

[halftime]sakusa gotta ni (various)

[Jeanne DA'ck] Nankai no koiou Muramura

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

COMIC GEE vol.20

(SC50) [studio A (Inanaki Shiki)] Toaru Musashino Bust Upper (Toaru Majutsu no Index)

(C81) [Magic Private Eye (Mitsuki Mantarou)] MADOCCHI HOMUCCHI 2 (Puella Magi Madoka☆Magica)

Soutaisei Virgin Theory

[chaccu] Sukeban Youko Ch. 1-2 [English] {Guestoid} [Complete]

CLUB XoX sample

Love Mille-feuille

Atashi ni Shitagae!!

[Erect Sawaru] Raikou Shinki Igis Magia III -PANDRA saga 3rd ignition- Ch.1-5 [English] [biribiri] [Digital]

[Micro House (Pua)] EQUIP:I (Bleach)

Hitoyasumix Monaka no Hon

[mdo-h] Soutaisei Virgin Theory [Digital]

[Mint Chocolate (Himuro Kouichi)] Risky Stroll - Roshutsu Shoujo Saori

(SC65) [Mugenkidou A (Tomose Shunsaku)] MUGENKIDOUBON! Vol. 6 (Amagi Brilliant Park)

Natsumi-chan Microjigging!

[e]Marking(Dragon Quest IV,Dragon Quest VI)[Chinese][Digital]

[Akifuji Satoshi] Parade Parade

[Inoue Yoshihisa] Ground Ero

Orcs and juvenile ω love evolution theory

(C55) [HAKUEKI SHOBOU (A-Teru Haito)] Eroshiyazu (Slayers)

[Busou Megami (Kannaduki Kanna)] Ai & Mai Concept Works 2 (Injuu Seisen Twin Angels)

Machuu no Meikyuu Mugen Shoukan no Worm - A Labyrinth with monster bugs 1st STAGE

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

(C81) [Fujiya Honten (Thomas)] GameAvatars (Various)

Mind Copy & Mind Paste

Shuugaku Ryokou no Onsen de Nakadashi Harem Ecchi

A Kid’s Theory

Ribbon no Ochita Hi ~Osananajimi no Kare no Shiranu Ma ni Class no Charao ni NTR sarete ita Hanashi.

Melon Frappe Half and Half 'FP' Junbigou

(C91) [L5EX (Kamelie)] Hagikaze Tokusei Kenkou Dessert wa Ikaga desu ka? (Kantai Collection -KanColle-)

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

[Saiya] Ai no Kotoba o Utatteyo #2

(Manabiya no Sono) [Dr.VERMILION (Petenshi)] Kore o Nantoka Shite Kudasai. (Toaru Kagaku no Railgun)

[Fugetsu Bousen (Kanade)] Reversi Play (Boku No Hero Academia)

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

[Oda Natsuki] Anya Kyoudai Yo Hitoyo Dai San Ya (Fire Emblem if)

[T.cop (Natsuki Kiyohito)] Jimiko to Ichinichijuu Sex 2 -Houkago no Monokage de- | Day Long Sex With A Plain Looking Girl 2 [English] {Doujins.com} [Digital]

[Shiina Nami] Kouman to Henai (Nozoite wa Ikenai NEO! V - Do Not Peep NEO! V) [English]

Zenshin Massage Shiyou! Kisaki Kaichou! | Let's Have a Full-Body Massage, President Kisaki!

Kodomo no Riron | A Kid’s Theory

F/GOGO

Imogorou no Shotaiken Sono Otoko Doutei ni Tsuki!

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

BLACKOUT

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

Lopunny and Lola Bunny

Kisetsu no Wanko