Development Gottman Theory

Soutaisei Virgin Theory

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

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

Higurashi CG Shuu Seisakuchuu | Higurashi CG under development

[Developers (Nagasode)] Kaeshite! Boku no Clitoris 2 Inma no Iinari Dosukebe Choukyou | My Clitoris 2: The lewd devil's humilating training [English]

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

A Kid’s Theory

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

[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]

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

Chii-chan's Development Dairy 4

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

Kareshi ja Ikenai Kyonyuu Meikko, Dai Kirai na Oji-san no Sei Kaihatsu Massage ni Ochiru | A Niece with Huge Tits who can't Cum with her Boyfriend Falls For her Hated Uncle's Sex Development Massage

[MM] Deep Kiss Development Story (Hoshikawa Sara)

tsuyo Sō jū musume 1 ST LIEUTENANT HATANACA

Sixth: Focused Production Development

[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.}

Huasanorori 1# Anniversary English

Elements1 - Theory

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

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

Empty Theory 6 - Hearts Scheme

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

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

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

Empty Theory 2 - Sky High

Chii-chan's Development Diary Epilogue

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

Chizuru-chan Kaihatsu Nikki 2 | Development Diary Ch.6 – Chizuru-chan Development Diary 2 {2d-market.com}

(C85) [Muchakai (Mucha)] Chii-chan Kaihatsu Nikki 4.1 | Chii-chan's Development Diary Epilogue [English] {doujin-moe.us}

Tatakarete Yorokobu Hito Nakadashi Manga

Futari wa Choukyou Game no Ejiki ni Narimashita. 2

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

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

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

[Developers (Nagasode)] Sepia-chan wa Choukyou Machine no Ejiki ni Narimashita. [Chinese] [不咕鸟汉化组] [Digital]

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

Mercury Development Plan

Kodomo no Riron | A Kid’s Theory

[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]

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

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

K's Theory

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

Happy theory

[Solar System Development Organization (Kinako)] Sleeping Monster (Durarara!!)

[Nekohakushaku] Boku no Mama-chan (43) Kaihatsu Nikki 1 | The development diary of my Mama-chan 1 [English] [Pandora's actor]

Android Development Diary

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

Berochuu Kaihatsu suru Hanashi | Deep Kiss Development Story

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

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

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

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

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

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

Chii-chan's Development Dairy 3

Kaijin Kaihatsubu Tanpen Ero | Monster Development Department Short Erotic Manga

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

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

Development Diary Ch.4 – Chii-chan Development Diary 4 {2d-market.com}

Empty Theory 1 - After Pleasure

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

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

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

[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]

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

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

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

Innocence1 - Theory

Kaeshite! Boku no Clitoris Ero Trap ni Torawareta Mahoutsukai | GIve it back, my clitoris! A mage caught in an ero-trap.

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

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]

A Professors Theory on Love and Sex Reassignment Surgery

Development Diary Ch.1 – Chii-chan Development Diary 1

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

Uesugi Tsukasa wa Kaihatsu Sareteiru | Uesugi Tsukasa is being developed

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

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