Development Indolyl Substituted

[Chobipero] Papa no Omokage Plus | Daddy Substitute Extra (Hatsumono Kajitsu) [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]

Chizuru-chan's Development Diary

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

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

[Okano Ahiru] Hanjuku Developer - The immature developer

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

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

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

[Taniguchi-san] Migawari Ichinichi Idol | One Day Substitute Idol (COMIC Unreal 2012-08 Vol. 38) [English] {doujin-moe.us} [Digital]

Chii-chan's Development Dairy 4

Mesu Danshi Ecchi Manga Tsumeawase

[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]

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

[Muchakai (Mucha)] Chizuru-chan Kaihatsu Nikki Zenpen ~Kataomoichuu no Sensei no Tame, Chuunen Kyoushi ni Hamerareru Junjou Yuutousei~ | Chizuru-chan Development Diary Part One [English] {2d-market.com} [Decensored] [Digital]

[Mucha] Chizuru-chan Development Diary Full Color; Part One [English] {2d-market.com} [Decensored] [Digital]

Jibun demo Bikkuri shita Onna Omake 2-page

Migawari Ichinichi Idol | One Day Substitute Idol

Android Development Diary

Substitute Otokonoko x Seed Juice Directly Pickled Raw Broadcast

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

Develop You!

Daddy Substitute Extra

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

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

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

[Muchakai (Mucha)] Chii-chan Kaihatsu Nikki 3 | Chii-chan's Development Diary 3 [English] {Doujin-moe.us}

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

The story of Shota, who was developed by Mesuiki when trying to sleep rape a tutor

(SC53) [PURIMOMO (Goyac)] Lovely Substitute (YuruYuri)

Mama ga Kawari ni | Mom's the Substitute!

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

Himitsu no xx Kaihatsu - Secret XX development | 秘密的××开发

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

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

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

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

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

[Mucha] Chizuru-chan Development Diary Full Color; Part One [English] {2d-market.com} [Decensored] [Digital]

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

Mom's the Substitute

Sixth: Focused Production Development

(Reitaisai 11) [Hadairo Rooibos Tea (Pandain)] Shokushu Chireiden 2~Satori Expansion Development~ (Touhou Project)

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

[Mujitan (Tsumugie)] Kyonyuu Kuchikukan Hatsuiku Chousa Shirei San | Big Titty Destroyers' Development Survey Order (Kantai Collection -KanColle-) [English] {DKKMD Translations} [Digital]

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

(C79) [Depthbomb (Shimo)] Substitution (Touhou Project)

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

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

(C86) [Muchakai (Mucha)] Chizuru-chan Kaihatsu Nikki | Development Diary Ch.5 – Chizuru-chan Development Diary 1 [English] {2d-market.com}

A masturbation toy for girls developed by a dark pediatrician.