[Muchakai (Mucha)] Chizuru-chan Kaihatsu Nikki Swapping Battle Hen | Chizuru-chan Development Diary Extra [English] {2d-market.com} [Decensored] [Digital]
Development Diary Ch.4 – Chii-chan Development Diary 4
The story of Shota, who was developed by Mesuiki when trying to sleep rape a tutor
[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]
Development Diary Ch.1 – Chii-chan Development Diary 1
[sawacream] Mahoutsukai Lyrica 2 ~ Kyokugen made H ni Kaihatsu Sareta Oppai ~ | Magician Lyrica 2 ~ H-Developed Tits To The Extreme ~ [English]
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
(C93) [Muchakai (Mucha)] Chizuru-chan Kaihatsu Nikki 5 | Chizuru-chan Development Diary 5 [English] {doujins.com}
Shiori Daisanshou Yami no Kokuin | Shiori Vol.3 Indication of the Darkness
(C80) [Miwaku-iro Missile (Otogi)] Touhou Paizuri Shijuuhatte Shita (Touhou Project)
Chii-chan's Development Diary Epilogue
Mika-nee no Tanryoku Shidou - Mika's Guide to Self-Confidence
Kekkon Keikakusho 2 | Marriage Planning-Guide #2
(Futaket 12) [Kokoro Chikyuu (Mutsu)] Futanari Tour Guide (Yu-Gi-Oh)
School Days Visual Guide Book
[Bar Peachpit] In the Undeveloped Hinterland (Sho-Chu-Rock Ch.5) [English] [desudesu]
[Muchakai (Mucha)] Chii-chan Kaihatsu Nikki 3 | Development Diary Ch.3 – Chii-chan Development Diary 3 [English] {2d-market.com}
Maruhiden! Ayame Inpouchou! | Forbidden Secret Chronicle! Ayame's Lewd-Arts Album!
JK육변기 육성일지 | JK-CumDump Development Diary
Wakiman 2 Mr. Wakishita seconded to the development department
Ningen Bokujou Shinjin Guide Kaizou Keikaku
Futari wa Choukyou Game no Ejiki ni Narimashita. 2 | Two Girls Fall Prey to a Sexual Training Game 2
(Reitaisai 8) [Miwaku-iro Missile (Otogi)] Albino Ex (Touhou Project)
[China] Fuko no Konsui Rape - Seicho Kiroku | Father Daughter Unconscious Rape: The Development Records (No! No! Rape) [English] [JuliusWinnfield] [Digital]
Seishoku Kaihatsu - Torawareta Erufu no Chōkyō Jikken | Sexual Development - Torture Training of Captured Elf
(SC60) [OXG (Amano Taiki)] Seishounen no Tame no Kangengaku Nyuumon - The Young Person's Guide to the Orchestra
Comic Papipo 2006-12
SummerDays Visual Guide Book
Development Diary Ch.1 – Chii-chan Development Diary 1 {2d-market.com}
(C91) [Roubai-tei (atahuta)] Tanoshii Seieki Bokujou -Kaihatsu Hen-|Happy Semen Farm -Development Branch- (Brave Witches) [English] [Mongolfier]
(C76) [Courmet-Nyankichi (Nekoyashiki Nekomaru)] Love Missile (THE iDOLM@STER)
(Aka no Hiroba 4) [Miwaku-iro Missile (Otogi)] Touhou Oshinagaki Reimu (Touhou Project) [English]
[ie] Genchi no Annainin-san | Local Guide [English]
Toaru Shima no Chiisana Annainin | My Little Guide in a Certain Island
Genshin Impact All-Stars Part 6 [Guide to Life in Mond (Medium)]
Futari wa Choukyou Game no Ejiki ni Narimashita. 2
[Mucha] Chizuru-chan Development Diary Full Color; Part One [English] {2d-market.com} [Decensored] [Digital]
Development Diary Ch.3 – Chii-chan Development Diary 3 {2d-market.com}
[Doggy Missile] Ichioku Berii Dorobou Shoujo (One Piece)
Hellbitch Endemic: Acute Libido Developmental Syndrome
(C94) [Kurobinega (Kenkou Cross)] Mamono Musume Zukan World Guide III -Sabbath Grimoire-
(C81) [Nahabaru (Mae)] guide to a hermit (Touhou Project) [English]
Himitsu no xx Kaihatsu - Secret XX development | 秘密的××开发
Minna no Meshitsukai Kaihatsuchuu desu | Everyone's Servant Is in Development
(SC57) [HIGH RISK REVOLUTION (Aizawa Hiroshi)] Oonoya Saiken Funtou Nisshi - Anegasaki Nene Bus Guide hen (Love Plus) [Chinese] [黑条汉化]
[keso] Oshiete! Bus Guide-san (Hataraku Sukebe Onee-san) [Chinese] [尼特王包遊覽車招待大家一起去台北機翻組] [Digital]
[Shimaji] Seicho Kiroku -Zenpen- | Souma's Sex Development Record - Part 1 (Koushoku Shounen Vol. 07) [English] [Decensored] [NewsMedia]
(C86) [Muchakai (Mucha)] Chizuru-chan Kaihatsu Nikki | Chizuru-chan's Development Diary [English] [Doujin-Moe]
Development Diary Ch.5 – Chizuru-chan Development Diary 1
To LOVE-Ru Darkness: Rakuen Keikaku Guide Book Trouble Mania
Monkey Business - Idiot's Guide to Tokyo's Harmful Books Regulation
(COMITIA97) [Muchakai (Mucha)] Chii-chan Kaihatsu Nikki | Development Diary Ch.1 – Chii-chan Development Diary 1 [English] {2d-market.com}
Guide In Love | 戀愛導遊
(C78) [RAT TAIL (IRIE YAMAZAKI)] IRIE Club Blog Guide 4 (Various)
[Mitsuba] Karada mo Kokoro mo Boku no Mono ~Hajimete no SM Guide~ 2 [Digital]
Concerto Note Visual Guide Book
[Inochi Wazuka] Himitsu no Bus tour ~Boku no Bus guide Nisshi~ [English] [SMDC + mysterymeat3]
Korette Koki Dane?
Gasshuku Love Guide
Ochita Sato
Chizuru-chan Kaihatsu Nikki | Chizuru-chan's Development Diary
[Naritayama Brian] Momoiro Seifuku Zukan | Sexual Uniform Guide
[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]
Chii-chan's Development Dairy 2
Tomodachi to Kaihatsu Shite Miru Hon. | A book about trying to develop your sensitivity with your friend
[LUXsumildo] Chagjeong-ui Frieren -Jogyopyeon- | Defeated Frieren -Training Guide- (Sousou no Frieren) [English] [Decensored]
[Developers (Nagasode)] Eve-chan wa Shokushu Pants no Ejiki ni Narimashita. | Eve-chan Fell Prey to the Tentacle Panties. [English] {Hennojin} [Digital]
(Shota Scratch 24) [NOTONE (fk696, Nekotasou)] Mihattatsu Shounen | Undeveloped Boys [English] [alparslan]
[Ojo] Namaiki Musume ni Shidou! | Guiding a Saucy Girl (COMIC Masyo 2015-06) [English] {5 a.m.}
[Marui Maru] Echiechi Seichou Kiroku 1-2 | Naughty Development Diary 1-2 [English] [Xzosk] [Digital]
Futanari Tour Guide
The Tour Guide
Touhou Oshinagaki Reimu
(C82) [Kurobinega (Kenkou Cross)] Mamono Musume Zukan World Guide II - Makai Shizen Kikou
(C74) [Spirit Guide] songstress tally ho!! (Macross Frontier)
SUPPLEMENT AND DEVELOPMENT
Kaijin Kaihatsubu Tanpen Ero | Monster Development Department Short Erotic Manga
Touhou Paizuri 48 Techniques, Part 1