[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 5
Honoka Challenge! 2
Dairoku! Otoile Challenge
[Algolagnia (Mikoshiro Honnin)] Monthly Margareta Vol. 2
Monthly Vitaman 2015-03
[Karma Tatsurou] Saigo no Omoide | One Last Memory (Monthly Vitaman 2013-09) [English] [UsagiTrans]
Kashima-san to Akimatsuri Challenge
[Mizone] Hito no Ashi yori Hebi no Ashi Miyo | Watch Out Where You Put Your Own Snake (Monthly QooPA 2014-09) [Chinese] [沒有漢化] [Digital]
Kuroneko Kamen Maudlin
[Harumi Chihiro] Hoshikuzu Diary (Monthly Vitaman 2007-04) [Chinese]
JK Tamamo no Shuugaku Ryokou Oppai Challenge
(C77) [Kyuu (Shooya Akira)] Futtou Challenge (Sora no Manimani)
[Yoriu Mushi] Kokuu Kara no Chousen - Challenger from the Sky
Monthly MelomELO Jun.2014
Monthly Vitaman 2015-05 [Digital]
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho | Chaldea Outdoor Challenge with Abby-chan (Fate/Grand Order) [English] [The Blavatsky Project] [Digital]
Monthly Vitaman 2007-06
[KAREHANEKO (Himitaka)] Extend Hiryuu Challenge (Strider Hiryuu) [Digital]
[Usakun] Kongetsu no Wanko. | This Month's Doggy (Hatsukoi! Lyrical H) [English] [Digital]
Monthly Vitaman 2014-07
(COMIC1☆7) [ASIANBOY (Hasemi Ryo)] Backstage Hibiki Challenge (THE IDOLM@STER)
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 3 | Brown Lady Takes His First Time Ver. 3 [English] [vaasi] [Decensored] [Digital]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 4 [English] [Decensored] [Copy Of] [Digital]
Monthly Vitaman 2013-06
Tanpan Kozou no Oppai Gym Challenge! | A Boy In Short's Big Breasted Gym Challenge!
(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!)
Namaiki Kuchikukan Wakarase Challenge
HERE COMES A NEW CHALLENGER!!
(C65) [kodomo challenge (Various)] Shukudai ga Owaranai
Jeanne no Nikubenki Challenge
[FAVORITE] Moe Monthly FAVORITE (core Mook Series 599)
Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan
Monthly Vitaman 2013-05
Tanpan Kozou no Oppai Challenge!
[Satuyo] Pool de Challenge! Boyish | Challenge at the Pool! Boyish (Peaceful Ecchi!) [English] [Doki Fansubs+Yosh]
Akane-chan Challenge! 2.5-kaime
(C86) [Yamakawa Denenhuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl) [Chinese] [oo君x赤蜘蛛聯合漢化]
Monthly Vitaman 2013-09
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}
[Terujirou] Junior Dominating Senior Challenge! [RAW] [JAP]
(C86) [Contamination (eigetu)] Maki Nico Lesbian Challenge (Love Live!) [Incomplete]
Time of the Month
(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!) [Chinese] [绅士仓库汉化]
(C92) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge
Pancakes Challenge
[Sakimori Dan] Sanae Challenge!! Ch. 1-2
Semen Storage Challenge
Monthly Vitaman 2009-09
Naisho no Enkou Challenge | 不可告人的援交挑战
Yuusha no Sairoku Hon Challenge Omake Manga
ETD Challenge.
Futanari Milk Challenge | 扶她榨乳挑战
[Ohmi Takeshi] Gekkan Aikawa Henshuuchou - Monthly "Aikawa" The Chief Editor 1
(C94) [Moruda Ramenya (Moruda)] Okay-san no Nukinuki Dosukebe Challenge (Girls und Panzer)
One Month of One Shota Life in the Village! ch.3
(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order)
Futanari Milk Challenge 4 | 扶她榨乳挑战 4
[Abubu] Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan (Girls und Panzer)