Vygotsky Sociocultural 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]

Vasera-bu! | 바자라부!

Empty Theory 7 - Destroyed Family

Hakoiri Succubus, Shota ni Deau. | Sheltered Succubus Meets Shota.

Thank You Very Bitch: Special

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

Innocence1 - Theory

[Sano Takayoshi] HELLO♥AGAIN [Chinese]

(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]

Soutaisei Virgin Theory

(C86) [Kikyakudou (Karateka Value)] Teitoku to Musashi -Vagabond- (Kantai Collection -KanColle)

[Circle Credit (Akikan)] Zoku Mithran Tarutaru (Final Fantasy XI)

Au ra so Sexy 2

Hentai Tousaku

Change Partner Ch.1-16

Kaettekita Inakamon

Big Breasts Flat Theory

Empty Theory 5 - Advantage

Wonderful nante Nakatta / There's Nothing Wonderful About It

[ミネ農場 (ミネむら)] 虎伏す野辺 [DL版]

Koi Wo Suru No Ga Shigoto Desu - Ch24

Soutaisei Virgin Theory

(C53) [Studio Z-Agnam (Various)] Douga Komusume! 10 (Various) [Incomplete]

[Usubeni Sakurako] Henshuu-san to Eromangaka-chan (Girls forM Vol. 12) [Chinese] [沒有漢化]

Empty Theory 3 - Cousin

Elements1 - Theory

Fuzzy Theory

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

C94 Kaijou Genteibon U-47

Kaku Gamer no Ore ga Cosplay AV no Heroine ni Natta Ken

NTR Zokusei Takao to Gesu Bitch na Kise-kun no Hanashi

夏が終わるまで

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

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

Cool Biz Shiyou

Torawareta no wa…

(SC65) [Shinkai Hikou (Okino Ryuuto)] Ako-chan to Ichigo Ichie (Saki) [Chinese]

Meguru-iro | 메구루색

[mdo-h] Soutaisei Virgin Theory [Digital]

Konkatsu ni Hagemu Oba wa Oi ni Motomerarete Choppiri Ureshii.

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

[Saigado] Haken no Muuko-san 2 Ch. 11-13 [English] [Tonigobe]

Orekko o Okashite Onna Dato Wakarasete Yatta

(C94) [Center Of Universe (NOLIA)] Chouyou no Naka de Kimi to (Kantai Collection -KanColle-)

(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]

[HASEGAWA Kii] Medical Sadism

Shield Knight Elsain Vol.11 "NETHER LABORATORY"

[Arakure] Seifuku Kyousei Soukan (Shoujo wa Orc no Koubi Dorei Vol. 2) [English] [Digital] [Decensored]

Kaya-nee, Tsuisou Suru | Kaya-nee's Recollection

Happy theory

K's Theory

Saimin Kanojo 4.5 Chitai Chiiku | Hypnotic Girlfriend 4.5 Perverted Sexual Training

[Yaguchiya Honpo (Yaguchiya Tomoshi)] Q1 (Quiz Magic Academy)

Nakadashi! Papachin Junkie 2 ~ Oyako Jusei Ninshin Bote H mo Aru yo

[PLANT (Tsurui)] SWEET MOON 2 (THE IDOLM@STER) [English] {doujins.com}

[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

[Complete Box (Ayakawa Hisashi)] Sheryl-san niwa Mukanai Shokugyou 3 - An Unsuitable Job for Sheryl 3 (Macross Frontier) [Digital]

[Tinmeshi] Defective Dogs 2 (Call of Duty Modern Warfare DJ) [English]

Tsurumaki-san ni Moteasobareru!

[Popochichi (Yahiro Pochi)] Eromanko Daisensei (Eromanga Sensei) [Digital]

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

Empty Theory 6 - Hearts Scheme

Empty Theory 1 - After Pleasure

[Haresaku (KEN)] Hina Ijiri (Hayate no Gotoku!) [Digital]

(COMIC1☆4) [Studio Wallaby (Kura Oh)] Ayanami Rei (Neon Genesis Evangelion) [English] [CGrascal]

[Shioya Maiko] Himitsu No Mamagoto

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

[Shunjou Shuusuke] Hitokoishi, Tsuma | 人戀之妻 [Chinese]

(CT25) [Kashiwa-ya (Hiyo Hiyo)] KanColle -SEX FLEET COLLECTION- Kan-musu Catalog (Kantai Collection -KanColle-)

[AHOBAKA (aho)] Suikyuu [Chinese] [不觉晓个人汉化]

Ro-chan Mama to Icha Love Koubi suru dake!

JOB VOL. 1 Baito Bishoujo Anthology

A Professors Theory on Love and Sex Reassignment Surgery

(SC52) [Kamikadou (Ginyou Haru)] Touhou no Eroge 3 (Touhou Project)