Development Gottman Theory

Tanoshii Seieki Bokujou -Kaihatsu Hen-｜Happy Semen Farm -Development Branch-

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

tsuyo Sō jū musume 1 ST LIEUTENANT HATANACA

[Muchakai (Mucha)] Mako-chan Kaihatsu Nikki 2 -Netorare… Itsuwari no Shotaiken- | Mako-chan's Development Diary 2 [English] {2d-market.com} [Decensored] [Digital]

Happy theory

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

[Muchakai (Mucha)] Chii-chan Kaihatsu Nikki 3 | Development Diary Ch.3 – Chii-chan Development Diary 3 [English] {2d-market.com}

[Muchakai (Mucha)] Mako-chan Kaihatsu Nikki 2 -Netorare… Itsuwari no Shotaiken- | Mako-chan's Development Diary 2 [English] {2d-market.com} [Decensored] [Digital]

Futari wa Choukyou Game no Ejiki ni Narimashita. 2 | Two Girls Fall Prey to a Sexual Training Game 2

Android Development Diary

Uesugi Tsukasa wa Kaihatsu Sareteiru | Uesugi Tsukasa is being developed

Development Diary Ch.3 – Chii-chan Development Diary 3 {2d-market.com}

[MM] Deep Kiss Development Story (Hoshikawa Sara)

Minna no Meshitsukai Kaihatsuchuu desu | Everyone's Servant Is in Development

Chii-chan's Development Dairy 2

[Muchakai (Mucha)] Chizuru-chan Kaihatsu Nikki Kouhen ~Ochita Moto Junjou Yuutousei wa, Chuunen Kyoushi no Mesuinu Onaho~ | Chizuru-chan Development Diary Part Two [English] {2d-market.com} [Decensored] [Digital]

(COMITIA97) [Muchakai (Mucha)] Chii-chan Kaihatsu Nikki | Chii-chan's Development Diary [English] {Doujin-moe.us}

[Rohgun] Eroge o Tsukurou! Genteiban - Let's develop the adult game together

Maruhiden! Ayame Inpouchou! | Forbidden Secret Chronicle! Ayame's Lewd-Arts Album!

Innocence1 - Theory

Empty Theory 4 - Well Definitely Meet Again

Chizuru-chan's Development Diary

Development Diary Ch.4 – Chii-chan Development Diary 4

[Corundum] Tai Mesugaki-you Energy Drink o Kaihatsu Shita Loli Vinci-chan | Lolinchi-chan developed an anti-msgk energy drink (Fate/Grand Order) [English] [The Blavatsky Project]

[Noise] Short Pants no Onnanoko no Hatsuiku ga Yosugiru Ken ni Tsuite | Concerning the Matter of the Abnormally Rapid Development of Girls Who Wear Short Pants [English] {5 a.m.}

(C53) [Studio Mukon (Zyaroh Akira)] SUPPLEMENT AND DEVELOPMENT (Battle Athletes Victory, ToHeart, Darkstalkers)

[bifidus] Hikari-san Kaihatsu Nisshi | Hikari-san's Development Diary (Kimi o Sasou Uzuki Ana) [English] [Digital]

[Developers (Nagasode)] Futari wa Choukyou Game no Ejiki ni Narimashita. | They Both Fell Prey To The Training Game. [English] {Hennojin}

Development Diary Ch.2 – Chii-chan Development Diary 2

Chii-chan's Development Diary Epilogue

[Muchakai (Mucha)] Chizuru-chan Kaihatsu Nikki Swapping Battle Hen | Chizuru-chan Development Diary Extra [English] {2d-market.com} [Decensored] [Digital]

Sepia-chan wa Choukyou Machine no Ejiki ni Narimashita. 2

[Marui Maru] Echiechi Seichou Kiroku 1-2 | Naughty Development Diary 1-2 [English] [Xzosk] [Digital]

[Developing Person(Hatten Tojounin)] Pink Slime [English] [head empty] [Digital]

A Kid’s Theory

Development Diary Ch.3 – Chii-chan Development Diary 3

(C84) [Muchakai (Mucha)] Chii-chan Kaihatsu Nikki 4 | Development Diary Ch.4 – Chii-chan Development Diary 4 [English] {2d-market.com}

Muchikko Succubus Choukyou Kaihatsu | An Innocent Succubus' Development Training

(C86) [Muchakai (Mucha)] Chizuru-chan Kaihatsu Nikki | Chizuru-chan's Development Diary [English] [Doujin-Moe]

(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]

(C86) [Muchakai (Mucha)] Chizuru-chan Kaihatsu Nikki | Chizuru-chan's Development Diary [English] =Lost Light+Funeral of Smiles+LWB

Huasanorori 1# Anniversary English

[Developing Person(Hatten Tojounin)] Pink Slime [English] [head empty] [Digital]

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

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

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

Secret XX Development

[Developers (Nagasode)] Eve-chan wa Shokushu Pants no Ejiki ni Narimashita. 2 | Eve-chan Fell Prey to the Tentacle Panties. 2 [English] [Digital]

Empty Theory 8 - Apparent Flash

[Nengaranenjuu (Nengara)] Kono Ai wa Yamai ni Nite Iru (Bangai Hen) Shitsuke no Kura | This Love is Like an Illness (Extra Chapter) Storehouse Development [English] [Digital]

[R-gen] Seishoku Kaihatsu Torawareta Elf no Choukyou Jikken | Sexual Development - Torture Training of Captured Elf (Mesu Hana ga Ochiru Toki) [English] [MTL] [Digital]

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

Mercury Development Plan

Fuko no Konsui Rape - Seicho Kiroku | Father Daughter Unconscious Rape : The Development Records

[Developing Person(Hatten Tojounin)] Pink Slime [English] [head empty] [Digital]

[Developers (Nagasode)] Kaeshite! Boku no Clitoris 2 Inma no Iinari Dosukebe Choukyou

Chizuru-chan Kaihatsu Nikki 4 | Development Diary Ch.8 – Chizuru-chan Development Diary 4

(C87) [Muchakai (Mucha)] Chizuru-chan Kaihatsu Nikki 2 | Chizuru-chan's Development Diary 2 [English] [Doujin-Moe]

[Developing Person(Hatten Tojounin)] Pink Slime [English] [head empty] [Digital]

Wakiman 2 Mr. Wakishita seconded to the development department

JK육변기 육성일지 | JK-CumDump Development Diary

Chizuru-chan Kaihatsu Nikki 4 | Development Diary Ch.8 – Chizuru-chan Development Diary 4 {2d-market.com}

Development Diary Ch.5 – Chizuru-chan Development Diary 1

(Ore no Turn 5) [Dekoboko. (Hekomi)] Develop You! (Yu-Gi-Oh! VRAINS)

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

Develop You!

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

(CR21) [Bakuhatsu BRS. (B.Tarou)] Roll-chan no Kaihatsu Nikki | Roll's Development Diary (CAPSULE COMPUTER) (Rockman DASH) [English] [Writefuck]

Empty Theory 2 - Sky High

(Reitaisai 19) [Rocket Chousashitsu (Koza)] Nitori-san wa Kaihatsuchuu | Nitori-san is Developing (Touhou Project) [English] [Haj3]

(C91) [Roubai-tei (atahuta)] Tanoshii Seieki Bokujou -Kaihatsu Hen-｜Happy Semen Farm -Development Branch- (Brave Witches) [English] [Mongolfier]

Koe | Voice

[Theory of HEAVEN (CROW)] Ikuiku! Ikuma-kun! (Black Jack) [2017-08-20]

Seishoku Kaihatsu - Torawareta Erufu no Chōkyō Jikken | Sexual Development - Torture Training of Captured Elf

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

Chii-chan's Development Dairy 3

K's Theory

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

Tomodachi to Kaihatsu Shite Miru Hon. | A book about trying to develop your sensitivity with your friend

JK Cumdump Development 2 | JK육변기 육성일지2

(C91) [Muchakai (Mucha)] Chizuru-chan Kaihatsu Nikki 4 | Development Diary Ch.8 – Chizuru-chan Development Diary 4 [English] {2d-market.com}

Soutaisei Virgin Theory

A masturbation toy for girls developed by a dark pediatrician.

Illya Imouto Onahole Kaihatsu Choukyou | Illya Little Sister Onahole Development Training

[Developers (Nagasode)] Ima kara Anata wa Onanie Ningyou desu [Chinese] [有条色狼汉化]

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

Shinseki no Onnanoko ga Kyuuseichou Shite Bakunyuu ni Narimashita | A relative of yours develops suddenly and gets MASSIVE TITS

Kodomo no Riron | A Kid’s Theory

[Shimaji] Seicho Kiroku -Zenpen- | Souma's Sex Development Record - Part 1 (Koushoku Shounen Vol. 07) [English] [Decensored] [NewsMedia]

Empty Theory 5 - Advantage

Sixth: Focused Production Development

[Muchakai (Mucha)] Chii-chan Kaihatsu Nikki Color Ban | Chii-chan Development Diary Full Color Collection [English] {2d-market.com} [Decensored] [Digital]

[R-gen] Seishoku Kaihatsu Torawareta Elf no Choukyou Jikken | Sexual Development - Torture Training of Captured Elf (Mesu Hana ga Ochiru Toki) [English] [MTL] [Digital]

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

Boku no Mama-chan Kaihatsu Nikki 1 | The development diary of my Mama-chan 1

Chizuru-chan Kaihatsu Nikki 3 | Development Diary Ch.7 – Chizuru-chan Development Diary 3 {2d-market.com}

(C87) [Muchakai (Mucha)] Chizuru-chan Kaihatsu Nikki 2 | Chizuru-chan's Development Diary 2 [English] =Lost Light + Funeral of Smiles + LWB=

[Developers (Nagasode)] Sepia-chan wa Choukyou Machine no Ejiki ni Narimashita. | Sepia-chan Fell Prey to the Training Machine [English] {Hennojin} [Digital]

(COMITIA97) [Muchakai (Mucha)] Chii-chan Kaihatsu Nikki | Development Diary Ch.1 – Chii-chan Development Diary 1 [English] {2d-market.com}

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

[Rohgun] Eroge o Tsukurou! Genteiban - Let's develop the adult game together | 一起來製作情色遊戲! 限定版 [Chinese]

Mei ni Anal Kaihatsu Sareru JK | Anally Developed by My Niece

[mdo-h] Soutaisei Virgin Theory [Digital]

Development Diary Ch.5 – Chizuru-chan Development Diary 1 {2d-market.com}

Big Breasts Flat Theory

[Aiirosakura (Aikawa Ryou)] Kuubo Wo-Kyuu-chan no Shimakaze Yuri Dorei Choukyou ~Anal Kaihatsu Hen~ | Standard Carrier Wo-Class Shimakaze's Yuri Slave Training ~Anal Development~ (Kantai Collection -KanColle-) [English] [B.E.C. Scans] [Digital]

Tatakarete Yorokobu Hito Nakadashi Manga

Elements1 - Theory

Development Diary Ch.2 – Chii-chan Development Diary 2 {2d-market.com}

Orcs and juvenile ω love evolution theory

[Okano Ahiru] Hanjuku Developer - The immature developer

InCha Otaku no Boku to YouCha Otenba Kanojo no Icha Love Yarimakuri Seichouki | Development Records of An Asocial Otaku and a Brown Tomboy Going At It Over And Over

Empty Theory 7 - Destroyed Family

(C87) [Muchakai (Mucha)] Chizuru-chan Kaihatsu Nikki 2 | Development Diary Ch.6 – Chizuru-chan Development Diary 2 [English] {2d-market.com}

(COMITIA98) [Muchakai (Mucha)] Chii-chan Kaihatsu Nikki 2 | Chii-chan's Development Diary 2 [English] {Doujin-moe.us}

[Medaka Kenichi] Hatsuiku Yokujou | Development Bath (COMIC LO 2007-02) [English] [Bakachin Manga Translations™] [Incomplete]

Hikari-san Kaihatsu Nisshi | Hikari-san's Development Diary

Chii-chan Kaihatsu Nikki Color Ban | Chii-chan Development Diary Full Color Collection

Berochuu Kaihatsu suru Hanashi | Deep Kiss Development Story

Chizuru-chan's Development Diary 2

Ima kara Anata wa Onanie Ningyou desu

[Developers (Nagasode)] Kaeshite! Boku no Clitoris 2 Inma no Iinari Dosukebe Choukyou [Chinese] [不咕鸟汉化组]

Seishoku Kaihatsu Torawareta Elf no Choukyou Jikken | Sexual Development - Torture Training of Captured Elf

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

[mdo-h] DEVIL'S BORN (Soutaisei Virgin Theory) [Chinese]

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

Seichou Nikki | Sexual Development Journal

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

A Professors Theory on Love and Sex Reassignment Surgery

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

At public bath with a well-developed classmate

Empty Theory 6 - Hearts Scheme