(C64) [Zettai Shoujo (RAITA)] Shinoburedo Iro ni ide ni keri Waga koi wa Mono ya omou to Hito no tou made (Kizuato)
Shameimaru Aya Ero Trap Dungeon Zero 2
(COMIC1☆7) [Nekomataya (Nekomata Naomi)] Kawaikute Toshima na Onee-san wa Suki desuka? | Do You Like Cute and Mature Women (THE IDOLM@STER CINDERELLA GIRLS) [English] [doujin-moe.us]
(C92) [BLUE24 (Aoi Taishi)] Sentakumono ni Goyojin! | 晾衣服要小心! [Chinese] [黑夜汉化组]
Yakyuubu no Moto Ace ♂ wa Sei Shori Pet ♀
Kodomo no Riron | A Kid’s Theory
Soutaisei Virgin Theory
Crow (Theory of Heaven) - Honey Kami the 2nd vol.0.7
(C85) [Studio Wallaby (Kura Oh)] Seiya o Midara ni Sugoshimasho (Neon Genesis Evangelion) [English] [Tigoris Translates]
Hatsujou Reimu R
[Mira] Kodomo no Riron | A Kid’s Theory (School Girls Love Selection) [English] {Hennojin}
[Inuburo] Toroke Ai - It's an Endless Melty Love.
Kyuuketsuki Asagi -Kanin Choukyou Dorei-
MISSION A-C
K's Theory
Valkyrie Spear
[Baskindam Kingdom (Hasegawa Daisuke)] Nagi Requiem (Kannagi) [Digital]
[Yui Toshiki] My Sisters Ch.01-04, 07 (Ch.01-03 Decensored) [English]
[StarRaisins] Sakuya (Touhou Project) [English]
(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]
Dain Slave
[Aotokage (Aoto Kage)] Tri mostri [Digital]
Tsubaki-san chi ni Otomari shimasu.
[mdo-h] Soutaisei Virgin Theory [Digital]
(SUPER24) [matine (iyutani)] Mei Mei Hitsuji (Magic Knight Rayearth)
Empty Theory 5 - Advantage
(C91) [Fukame Takame (Mizuna, Sorano Kanata)] Hibikore Yasen Ari Sono Yon (Kantai Collection -KanColle-)
Kurosawa no Kyuujitsu
[Midoh Tsukasa] Akuma Kyoushi x 5 - Devil Teacher by Five
A Professors Theory on Love and Sex Reassignment Surgery
[nu-] Bibia Saikou ka yo!
[Rasahan] Sister Friends Kouhen (Girls forM Vol. 13) [Chinese] [沒有漢化]
[SHINSHIN] Shinshin Nijigenron | Mind and Body Two Dimension Theory
Action Pizazz DX 2015-12 HQ
[WLHO] Rekidai Saijaku Yuusha ~Ogre Hen~
Double Asta
Imouto Paradise! 3 ~Onii-chan to 5-nin no Imouto no Sugoku! Ecchi Shimakuri na Mainichi~ Ch. 6
Moushiwake Arimasen Aruji-sama...
(C65) [Mr. Outside (Tomohara Michiya)] Princess Princess (Ashita no Nadja)
Orcs and juvenile ω love evolution theory
[Gensou stomach (Taku)] Tsukamatte Marunomarete ~Gensou stomach Touhou x Marunomi shityu doujin soushuuhen~ (Touhou Project)
[Oyama Yasunaga] Seifuku Shoujo Jiru
[Kancho Hatto (Wakatsuki)] Cheer-Bru FIGHT (BUSTER COMIC 2011-01) [English] {Cypher} [Rewrite]
Sister's Boyfriend [English] [Rewrite] [EZ Rewriter]
(Knights Theory) [Snow Peach (Mipoko)] Naru no Anal kara Inspiration ga Waite Kuru zo (Ensemble Stars!)
(Mimiket 30) [SUZUYA (Ryohka)] Usada Hikaru no Fukou na 1 Nichi (Di Gi Charat)
Kasumigaoka Utaha no Rinri Shinsakai Append
Sunao ni Narenai Bokura
[Himuro Serika] Nyotaika Suieibu ~Iku tabi Onna ni Nacchau Ore no Karada~ 3 | Nyotaika Swim Club I Turn into a Girl When I Cum! 3 [English]
(COMIC1☆7) [Saigado] Forty and Fourteen (Neon Genesis Evangelion)
Kiddy Grade de Haa Haa Shichau Hon
Empty Theory 6 - Hearts Scheme
COMIC Mugen Tensei 2016-09 [Digital]
Empty Theory 8 - Apparent Flash
[Crow_Theory of Heaven] Gurren Lagann Shimo-kyun Haa Haa Hon Hadaka Negai (Gurren Lagann) [Raw]
Seikyou Shinshoku
[Hazuki] Ekitaika Dekiru Mise
Dosukebe Chinpo Dorei
[Kuroiwa Menou] Hitozuma Club Bijo to Yajuu-tachi (COMIC HOTMILK 2020-05) [English] {The Ancient Hentai Theory} [Digital]
COMIC RiN 2009-08
Futaba841 (Mitsuya Yoguru) - The Love and Pleasure Theory for Boys [ENG]
[Shoryutei Enraku] Seishin Kaihouron | The theory of releasing your real self (Nozoite wa Ikenai 7 - Do Not Peep! 7) [English] [Quick and easy translations]
(C88) [Mothman (Henreader)] Costume♥Present
[Theory of HEAVEN (CROW)] Onikuya Ken-chan (Anyamaru Tantei Kiruminzoo) [Digital]
(COMIC1☆6) [Crazy9 (Ichitaka)] Zessica no Koufukuron | Zessica's Theory of Happiness (Aquarion Evol) [English] [biribiri + Doujin-Moe.us]
(C72) [Blind hope (Mashu Maro)] Nina no Spezielle Relativitätstheorie (Code Geass: Lelouch of the Rebellion)
(C93) [Sayonara Hornet (Yoshiragi)] Once and again!! (Fate/Grand Order)
[Noraneko-no-Tama (Yukino Minato)] Owari no Nikkichou Zetsu+BOU [Digital]
Himegoto Selfies | 비밀 셀카
Empty Theory 7 - Destroyed Family
Aidoriru
(C95) [Kemokomoya (Komori Kei)] Otsukare na Master o Watashi ga Iyashite Agetai. (Fate/Grand Order)
Saimin Stream 1.2 | HypnosiS Streams Episode 1.2
(C76) [10/der (Comoda)] RabiRabi (Umineko no Naku Koro ni)
[kokumaren] Shota ga Neteiru Onee-san ni Iroiro shichau Ohanashi
(C95) [OrangeMaru (nodoco)] Christmas no Seishouseki (Fate/Grand Order) [English] {The Ancient Hentai Theory}
Kinjo no Hitozuma-san
(SC2015 Autumn) [CHRONOLOG, D.N.A.Lab. (Sakurazawa Izumi, Miyasu Risa)] Super String Theory (Kantai Collection -KanColle-)
Mienai Net Scat Walk
(C94) [Panic Room! (Nagi Yuki)] Torotoro Cygnet (Azur Lane)
(C92) [Koniro Drops (Morishima Kon)] Rironjou 3-patsu made nara Taeraremasu. - In Theory You Can Tolerate up to Three Shots (Splatoon)
(C95) [Hizatora (Kageshio)] ACTING LIKE (Fate/Grand Order) [English] {The Ancient Hentai Theory}
[Kirigakure Takaya] Working Boy [English] [Busy Bee Translations]
[The Jinshan] Sadistic Beauty Ch.1-35 [Chinese] [17汉化]
Rem no Koufuku H Ron | Rem's Happiness H Theory
One and Two and a Three and Four
Elements1 - Theory
(C64) [Kokushi Tenshi (Various)] SPACE STRING THEORY (Uchuu no Stellvia)
Manga Bon 2012-11
Saya ga Elaina de Ippouteki ni Koufun suru Dake
(C66) [SUBSONIC FACTOR (Ria Tajima)] The steady-state theory (Fullmetal Alchemist)
[Theory of HEAVEN (CROW)] Ikuiku! Ikuma-kun! (Black Jack) [2017-08-20]
Empty Theory 1 - After Pleasure
すずやんごとなきかな
Fuzzy Theory
[DYTM] Sensei no Playlist (COMIC HOTMILK 2021-04) [Chinese] [Digital]
[Anthology] Lunatic Party 9 (Bishoujo Senshi Sailor Moon)
HGUC#19 Otona/CHLOE 2Wei!
Empty Theory 4 - Well Definitely Meet Again
Houkago P-time
(C91) [Shimanto Seiryuu (Shimanto Youta)] Tasogareki no Boukensha
So, You Wanna Do This? Whatever (Tales of Vesperia)
Shimai no Koe
Kimi to no Shukumeiron - The theory of fate with you. | 與妳的宿命論
Ai No Mae Ni Hizamazuke
(C78) [Kinokonomi (kino, konomi)] Kinokothical Theory (Various)
Reijou-san wa Gorippuku! | A Grave Insult to Reijou-san!
[Kurosaki Mairi] Imooto Assassin
(C97) [Hanamuguri (Tomiyama Akiji)] Lesson no Ato ni wa | After The Lesson [English] {Doujins.com}
[Shin Tsuguru] Moo Yurushite | Forgive Yet!
[Kakashi Asahiro] Hakase no Renai Kaizouron | A Professors Theory on Love and Sex Reassignment Surgery (COMIC Situation Play Vol. 19) [English] [4dawgz + thetsuuyaku] [Digital]
Otohime Diver
(C58) [BLACK DOG (Kuroinu Juu)] GOLD EXPERIENCE (Bishoujo Senshi Sailor Moon) [Chinese] [Incomplete]
Tsundere Kōryaku No Saishū Teiri - Tsundere's Final Theorem
Empty Theory 2 - Sky High
Empty Theory 3 - Cousin
(Douyara Deban no Youda! 10) [Kyujitsusyukkin (Chikaya)] Love Me Tender 3 (Boku no Hero Academia) [English] [Casual Scans]
[RunRunRun PCH (Merubo Run)] RunRunRun 19
(C92) [Oretachi Misnon Ikka (Suhara Shiina)] Shirotae no Shuushifu (Shuumatsu no Izetta)
[Terasu MC] Kokujin no Tenkousei ni Haha o NTR ru Chapter 6 Part 1 [English] [MASCIAlla]
(C88) [San San ★ Nana Byoushi! (Mocchii)] Chukaya Eren-chan (Shingeki no Kyojin)
Innocence1 - Theory
[Takura Mahiro] Eromanga no Yousei
Tanki Tekisei no Takai Heroine XX-san
Scapegoat Koufukuron | Scapegoat Theory of Happiness
A Kid’s Theory
(C76) [Kaigetsudou (Jigoku Sensei Hirobe~)] Fairy 7 (Maison Ikkoku)
[TY-Kite] Itoshi wo Tome - Kimi ga Kokoro wa (Yuri) (Chinese)
Watashi no Suki na Oji-san x Ore no Suki na Iede Shoujo Jou | My beloved Mister & My beloved Runaway Girl Ch. 1
[Pagumiee (Kenta)] Bottom [English] [RungsitX]
[NCP(Meria, Fuyo)] Saimin Musou Dare mo ga Kantan ni Ore no Saimin de Shihai Dekichau Sekai
[SOMEDAY.S] Fight Jyuppatsu (Tonde Buurin, Ah! My Goddess)
Queen of Chaos
[Nishimaki Tohru] Dear My Mother Ch. 1-2 [English]
Sex Beat
(COMIC1☆6) [Oretachi Misnon Ikka (Suhara Shiina)] Kore wa Kyuuketsu Ninja Desu ka? (Kore wa Zombie Desu ka?) [Chinese] [新桥月白日语社]