(COMITIA97) [The Monthly Istanbul (Ahugan Sugita)] Bikyaku Zukan
Monthly Vitaman 2016-11
Monthly Vitaman 2009-11
(C93) [Komatta Tomato (Yuuki Miyabi)] Akatsuki-chan Mayonaka no Otoile Challenge (Kantai Collection -KanColle-)
Space Detective Jade Dan Indecent Challenge
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Onee-san no Fudeoroshi SNS wa Kiken na Nioi [Chinese] [cqxl自己汉化]
[Yurikawa] Futago Challenge | Twin Challenge (Toshiue Kanojo Alternative) [English] [PSYN+DMD]
Tanpan Kozou no Oppai Gym Challenge!
[laliberte] CHALLENGE [Chinese] [流木个人汉化]
[Kogasaki Yuina] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Grand Order)
Monthly Vitaman 2014-08
Monthly Vitaman 2014-10
(C93) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Kouhen
(Kotonoha's Festa 2) [Milk Pudding (Jamcy)] Akane-chan Challenge! 2.5-kaime (VOICEROID) [Chinese] [古早个人汉化]
(C95) [Labomagi! (Takeda Aranobu)] W Jeanne to Off-Paco Challenge (Fate/Grand Order) [Chinese] [黎欧x新桥月白日语社汉化]
Monthly Vitaman 2014-11
[The Monthly Istanbul (Ahugan Sugita)] Shotagari Witch [Chinese] [cqxl自己汉化] [Digital]
(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS)
(C86) [Marked-two (Hideo)] Taihou Challenge! (Kantai Collection -KanColle-) [Chinese] [CE家族社]
Futanari Milk Challenge 2 | 扶她榨乳挑战2
Kanoka Challenge_plot 2
Monthly Vitaman 2013-04
Seieki Tamekomi Challenge
[Mitarashi Kousei] Yume no you na hanashi (Monthly QooPA 2014-08) [Chinese] [無邪気漢化組]
Tsuki Ichi Onnanoko | Monthly Girl
Monthly QooPA 2014-08
[Hinemosuan (Hinemosu Notari)] Asuda-san Challenge (Nijiket)
[Fujisaka Kuuki] Opparadise wa Shinryouchu | 欧派天国诊疗中 Ch. 10 (Monthly Vitaman 2018-05) [Chinese] [前线作♂战♀基地] [Digital]
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}
(SC39) [Nounai Kanojo, Ningen Modoki, Tateyoko Hotchkiss, Kagi Node (various)] Hatena? Challenge! (Challenge First-Year-Student)
Saimin Tengoku Challenge 05
[Milk Pudding (Jamcy)] Akane-chan Challenge! 4-kaime (VOICEROID) [Digital]
[Kikkaya (Uesugi Kyoushirou)] Haruka Challenge [English] [Scansforhumanity]
(C85) [Wasuraruru Tegami (Binsen)] Elf Shimai no Chousen | The Elf Sisters' Challenge [English] [Mistvern]
Osananajimi-chan Ikase Challenge
(C92) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge
[Homura Subaru] Momoyuri Gakuen ~Himitsu no Soap-bu~ 2-rime (Monthly QooPA 2015-01) [Digital]
(C94) [Fuwatoro★Marinepolis (Sumitomo)] Theater Challenge (THE IDOLM@STER MILLION LIVE!)
(C96) Dairoku! Otoile Challenge
Hatsuzuki to Muremure Muramura Natsu Ecchi! | Having Stuffy Sex On The First Month Of Summer!
Monthly Vitaman 2015-12
Kashima-san to Akimatsuri Challenge
[Irojikake Matome Blog (Kurokawa Otogi)] Renzoku Kyousha Challenge (Paizuri Senmon Zasshi "Zettai Chichi Kyousha" Vol 1) [English] {Stopittarpit}
Kurokoshi You] Challenge Week
Monthly Vitaman 2015-11 [Digital]
Monthly Vitaman 2006-10
Dairoku! Otoile Challenge2
Monthly QooPA 2014-12
Monthly Vitaman 2015-08
[Mikeke] ろり陵育 お漏らし編
(Futaba Gakuensai 7) [1000AP (Various)] Kodomo de Challenge 3 (Futaba Channel)