Development Diary Ch.5 – Chizuru-chan Development Diary 1 {2d-market.com}
Himitsu no xx Kaihatsu - Secret XX development | 秘密的××开发
(C91) [Muchakai (Mucha)] Chizuru-chan Kaihatsu Nikki 4 | Development Diary Ch.8 – Chizuru-chan Development Diary 4 [English] {2d-market.com}
Uwaki ja Sumanai... - Je suis devenu sérieux au lieu de tricher
Development Diary Ch.1 – Chii-chan Development Diary 1
Futari wa Choukyou Game no Ejiki ni Narimashita. 2 | Two Girls Fall Prey to a Sexual Training Game 2
Uesugi Tsukasa wa Kaihatsu Sareteiru | Uesugi Tsukasa is being developed
(C84) [Muchakai (Mucha)] Chii-chan Kaihatsu Nikki 4 | Chii-chan's Development Diary 4 [English] {Doujin-moe.us}
Chii-chan's Development Dairy 4
[Marui Maru] Echiechi Seichou Kiroku 1-2 | Naughty Development Diary 1-2 [English] [Xzosk] [Digital]
[MM] Deep Kiss Development Story (Hoshikawa Sara)
[Medaka Kenichi] Hatsuiku Yokujou | Development Bath (COMIC LO 2007-02) [English] [Bakachin Manga Translations™] [Incomplete]
Wakiman 2 Mr. Wakishita seconded to the development department
Development Diary Ch.4 – Chii-chan Development Diary 4
[doushoku (Hino)] Wagamama Imouto Onaho-ka Keikaku ~Neru Imouto o Kaihatsu Choukyou~ | Bratty Sister Onahole Plan ~Developing and Breaking the Sleeping Sister~ [English] [Digital]
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 | Development Diary Ch.2 – Chii-chan Development Diary 2 [English] {2d-market.com}