Gottfried Webers Theory

Kodomo no Riron | A Kid’s Theory

A Kid’s Theory

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

9 Centimeter

ragdoll 1-4

Empty Theory 7 - Destroyed Family

Hard na Oshigoto! | 이건 어려운 일입니다!

To LOVE-Ru Bitch Strippers

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

Shiho

Innocence1 - Theory

[Arutana (Chipa)] Karakai-sugi no Yukari-san (VOICEROID) [Digital]

[Kakashi Asahiro] JK o Oshiete [Chinese]

[Chagu] [SMT 4] Mizukara O Yoshi To Suru Rabu Kome R-18 Pāto [Kusa]

Naruko The Quartetto | 丸子四重奏

(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]

Drunk Sister Fuck [English] [Rewrite] [EZ Rewriter]

(Douyara Deban no Youda! 13) [Ultimate safaripark (Horiuchi Mochiko)] Cant Boy (Boku no Hero Academia)

Yokkyū Fuman Tsuma wa Buka no Chinpo no Yume o Miru ka

Soutaisei Virgin Theory

Osakabehime no Assassin Paizuri!

(C52) [MOON'S CLIQUE (Various)] LOVE DELUXE (Darkstalkers)

Memory Landscape

[Vachicalist (Okama)] 3♥ (Neon Genesis Evangelion)

Big Breasts Flat Theory

Empty Theory 5 - Advantage

[Felina (Kouno You, Otsuki Miharu)] Fuyuko-chan no Yami Eigyou (THE iDOLM@STER: Shiny Colors) [Digital]

Succubus ni Nyoui o Suwarete Oshikko Sasete Moraenai!

(C67) [Oretachi misnon ikka (Misnon the Great)] Gyokusai Kakugo Vol. 5 (Full Metal Panic!) [English] [SaHa]

Made My Mind [ENG]

Boku Igai Inpo no Sekai 4 Kouchou & Seitokaichou Oyakodon Hen | A World Where All Men But Me Are Impotent 4 - The School President & Student Council Member Mother/Daughter Edition

(Utahime Teien 15) [seraphim (unohanaT)] G Haruna Sennou Kanraku (THE IDOLM@STER CINDERELLA GIRLS)

Soutaisei Virgin Theory

Idea NOTE #11

[Minamino Sazan] Rio Short Manga (Blue Archive) [Colorized MissOneLife]

(Reitaisai 14) [Hakusen (Opanchu)] Tenshi-chan no Erohon (Touhou Project)

Empty Theory 3 - Cousin

Elements1 - Theory

Fuzzy Theory

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

★ | 司×可怜

(C80) [Kinokonomi (konomi)] Saimin Satori-chan (Touhou Project)

(C91) [Wakuwaku Doubutsuen (Tennouji Kitsune)] blue snow blue scene.19

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

[2B (MANA-KO)] MYSTIC NOISE (Full Metal Panic!) [English] [Scribe Figaro]

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

[Circle Σ (Awamori Ichitarou)] Musou Tensei Stella Knight [English] [desudesu] [Digital]

[mdo-h] Soutaisei Virgin Theory [Digital]

(同人誌)[新なんか党] 犯された生娘達3

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

[Global One (MARO)] Sadistic Catalog (Urusei Yatsura)

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

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

Amakuchi Coffee | 甘口咖啡

Happy theory

(C87) [KAMINENDO.CORP (Akazawa RED)] Byuubyuu Destroyers! (Kantai Collection -KanColle-) [Chinese] [CE家族社]

K's Theory

(C95) [Keruto (Hareta)] Serenade (BanG Dream!)

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

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

(C92) [IRODORI (SOYOSOYO)] Sokosoko Isogashii Sentaichou no Tokubetsuna Ichinichi (Full Metal Panic!)

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

[Tamada Heijun] Otome Nyuujou

Kanshu o Hime-san

[Guild Plus (o-bow)] RAID CLIP SUWAKO (Touhou Project) [Digital]

(C75) [Honey Pharmacy (Fukami Ryou)] SEXY PANIC ~Neko to Saru no Love Fight | SEXY PANIC Love Battle: Cat vs. Monkey (Full Metal Panic!) [English] [EHCOVE]

Empty Theory 6 - Hearts Scheme

Empty Theory 1 - After Pleasure

Candy Face

Ninja Shounen Choukyou Nikki

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

[Kiya Shii] Docchimo Love!? [English] [HidoH] [Decensored]

Loli Baba Okaa-san wa Oshi ni Yowai 7

(C85) [S-FORCE (Serebi P)] CINDERELLA Seikoui (THE IDOLM@STER CINDERELLA GIRLS)

Hazukashigaruna yoon

A Professors Theory on Love and Sex Reassignment Surgery

[Haguhagu] SeFresha-chan. | FWBSasha-chan [English] [The Unseelie Court]

[C.R's NEST (C.R)] Tenshi-Kun Reviewers | Angel-kun Reviewers (Ishuzoku Reviewers) [English] {Doujins.com} [Colorized]