Soutaisei Virgin Theory
Empty Theory 2 - Sky High
Empty Theory 7 - Destroyed Family
(C66) [SUBSONIC FACTOR (Ria Tajima)] The steady-state theory (Fullmetal Alchemist)
Tsundere Kōryaku No Saishū Teiri - Tsundere's Final Theorem
(COMIC1☆6) [Crazy9 (Ichitaka)] Zessica no Koufukuron | Zessica's Theory of Happiness (Aquarion Evol) [English] [biribiri + Doujin-Moe.us]
Happy theory
Elements1 - Theory
Rem no Koufuku H Ron | Rem's Happiness H Theory
(C92) [Koniro Drops (Morishima Kon)] Rironjou 3-patsu made nara Taeraremasu. - In Theory You Can Tolerate up to Three Shots (Splatoon)
(Knights Theory) [Snow Peach (Mipoko)] Naru no Anal kara Inspiration ga Waite Kuru zo (Ensemble Stars!)
Empty Theory 8 - Apparent Flash
[mdo-h] DEVIL'S BORN (Soutaisei Virgin Theory) [Chinese]
(C95) [Hizatora (Kageshio)] ACTING LIKE (Fate/Grand Order) [English] {The Ancient Hentai Theory}
Empty Theory 1 - After Pleasure
(C64) [Kokushi Tenshi (Various)] SPACE STRING THEORY (Uchuu no Stellvia)
[Ootani Mikoto] Seishun Kanjouron - youth emotion theory [R18 Ban] 1
[Mira] Kodomo no Riron | A Kid’s Theory (School Girls Love Selection) [English] {Hennojin}
(C95) [OrangeMaru (nodoco)] Christmas no Seishouseki (Fate/Grand Order) [English] {The Ancient Hentai Theory}
(SC2015 Autumn) [CHRONOLOG, D.N.A.Lab. (Sakurazawa Izumi, Miyasu Risa)] Super String Theory (Kantai Collection -KanColle-)
[Shoryutei Enraku] Seishin Kaihouron | The theory of releasing your real self (Nozoite wa Ikenai 7 - Do Not Peep! 7) [English] [Quick and easy translations]
Orcs and juvenile ω love evolution theory
[Crow_Theory of Heaven] Gurren Lagann Shimo-kyun Haa Haa Hon Hadaka Negai (Gurren Lagann) [Raw]
[Kuroiwa Menou] Hitozuma Club Bijo to Yajuu-tachi (COMIC HOTMILK 2020-05) [English] {The Ancient Hentai Theory} [Digital]
Empty Theory 4 - Well Definitely Meet Again
A Professors Theory on Love and Sex Reassignment Surgery
[Kakashi Asahiro] Hakase no Renai Kaizouron | A Professors Theory on Love and Sex Reassignment Surgery (COMIC Situation Play Vol. 19) [English] [4dawgz + thetsuuyaku] [Digital]
Fuzzy Theory
Scapegoat Koufukuron | Scapegoat Theory of Happiness
(C78) [Kinokonomi (kino, konomi)] Kinokothical Theory (Various)
Big Breasts Flat Theory
Kimi to no Shukumeiron - The theory of fate with you. | 與妳的宿命論
[Theory of HEAVEN (CROW)] Ikuiku! Ikuma-kun! (Black Jack) [2017-08-20]
Innocence1 - Theory
Empty Theory 3 - Cousin
(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]
Kodomo no Riron | A Kid’s Theory
Empty Theory 5 - Advantage
Crow (Theory of Heaven) - Honey Kami the 2nd vol.0.7
[Theory of HEAVEN (CROW)] Onikuya Ken-chan (Anyamaru Tantei Kiruminzoo) [Digital]
(C72) [Blind hope (Mashu Maro)] Nina no Spezielle Relativitätstheorie (Code Geass: Lelouch of the Rebellion)
Futaba841 (Mitsuya Yoguru) - The Love and Pleasure Theory for Boys [ENG]
[SHINSHIN] Shinshin Nijigenron | Mind and Body Two Dimension Theory
K's Theory
A Kid’s Theory
[mdo-h] Soutaisei Virgin Theory [Digital]
Empty Theory 6 - Hearts Scheme
Hakase no Renai Kaizouron | A Professors Theory on Love and Sex Reassignment Surgery
Burg no Benkihime 5 | The Cumdumpster Princess of Burg 5
[Somejima] Koutetsu no Majo Annerose | The Witch of Steel Anneroze (COMIC Unreal 2010-08 Vol. 26) [English] {doujin-moe.us}
Shoushika Taisaku Houan Idenshi Matching de Kaa-san to Matching shichatta!?
Asashin no Daraku
[Fuusen Club] Juku Juku Ch. 5-6 [English] [Amoskandy]
(C89) [Gambler Club (Kousaka Jun)] PM GALS XY 4 (Pokemon) (Sample)
Monhan BON
[MARUTA] Toshiue Kanojo (Onekano) -Genteiban-
Kouya de Gangan
(C88) [Z-FRONT (Kagato)] Seijya na Yuusya (Rokka no Yuusha) [English] [EHCOVE]
REC
[LUNA INDUSTRIA (Various)] Han-Kan-Rin
挿れたいのは別のひと
[Sakana Tomomi] Freeloading at a Bad Senior's House
(CT21) [Haiana Gumentai (Agumen, Karino Teru)] Paimon Oppaimon (Magi: The Labyrinth of Magic)
(C82) [V-SLASH (Yuugiri)] Izunakan | Izuna Rape (Shinrabanshou Choco) [English] {doujin-moe.us}
(C90) [Napier Sabre (Ryu-Akt)] BC Strikes on beach! (Kantai Collection -KanColle-)
(Dai-132-Ki Bunbunmaru. Shinbun Tomo no Kai) [Animal Passion (Yude Pea)] VacVac cinecine (Touhou Project)
(C57) [Thirty Saver Street 2D Shooting (Maki Hideto, Sawara Kazumitsu)] Silent Saturn 10 (Bishoujo Senshi Sailor Moon)
(C79) [Arcana Club (Arcana Rude, Arcana(Mi))] Tsuyu-Daku FT-Nyan×Nyan! (Fairy Tail) [English] [rookie84]
Nakadashi Shimakutte Itara Gakuen ga Harem ni Nacchatteta Ken Ch. 18
Traditional Job of Washing Girls' Body Ch. 45 - 48
(C84) [PX-REAL (Kumoi Takashi)] Majestic RIN RIN (Ginga Kikoutai Majestic Prince)
Nankai no Sizimi (Umikai-dou) - Toilet Cigarette
(C81) [BlueBlueSky (Beni)] Moshi Moriya Jinja no Kazehouri ga Shushin no 'Onbashira' ni Okasare tara (Touhou Project)
Core Colle Lost Virgin
[Itaba Hiroshi] Bankon Seikatsu | Late Marriage Life [English] [Brolen]
Kaichou to Fukukaichou no Fujun na Otsukiai Ch. 2.5
[Tomozawa Shou] Come in Mariko chan
BIKINI ARMOR BREAK
ー姉弟LOVE物語ー キスからはじめよう
[Takao Ukyou] Sisterly Love
Tenshi no Otsuge
Yousei ga Iru Sekai | 요정이 있는 세계
Jikan Teishi Indouchuu
The Liquor Witch's Potion Pitch
[10wadaxx (Towadako)] Sayonara, Dear My Prince ~Shoujo Manga no Kareshi-yaku o MobRa suru Hon~ [Digital]
Marugoto Zenbu Ore no Mono
加賀さんお願いします!
[Kurono Masakado] Spiritual Fucker Zenpen (Nocturnal) [English] [biribiri]
[Kumiko] 魔力封印裝置 (League of Legends) [Chinese]
(COMIC1☆8) [Yami ni Ugomeku (Dokurosan)] Kagasero Aila (Gundam Build Fighters)