Tanpan Kozou no Oppai Gym Challenge!
(C94) [Moruda Ramenya (Moruda)] Okay-san no Nukinuki Dosukebe Challenge (Girls und Panzer)
U Challenge
(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!) [English] [ichigo-day]
[kogasaki yuina] JK Mamamo No Shuugakuryokou Oppai Challenge | JK玉藻的畢業旅行ㄋㄟㄋㄟ大冒險 [Chinese] (Fate/Extra)[三色的大猩猩翻譯同盟]
(Nikudarake!!!!!! Gachinko Butoukai in chaos) [Kasuga Kikaku (Terujirou)] Gekokujou ni Chousen! | Junior Dominating Senior Challenge! [English]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 3 | Brown Lady Takes His First Time Ver. 3 [English] [vaasi] [Decensored] [Digital]
Kanoka Challenge_plot 2
(C86) [Marked-two (Hideo)] Taihou Challenge! (Kantai Collection -KanColle-)
Dairoku! Otoile Challenge 2
(Futaba Gakuensai 9) [1000AP (Various)] Kodomo de Challenge 5
[Higashino Mikan] Umi to Nikuyoku | The Sea and Lust (Monthly Vitaman 2013-10) [English]
[Tomohiro Kai] HIDE AND PEEK (COMIC Kairakuten BEAST 2014-09) [English] [amaimono]
Sex Challengers
Toka 1 hour drawing challenge
Monthly Vitaman 2016-07
[Terujirou] Junior Dominating Senior Challenge!
(iDOL SURVIVAL2) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [无毒汉化组]
(C65) [kodomo challenge (Various)] Shukudai ga Owaranai
Futanari Milk Challenge 6
Aisha Challenge 4
Otona Challenge!!
Seieki Tamekomi Challenge
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver.4.1 [English] [wehasband]
[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [奶綠個人漢化]
(iDOL SURVIVAL2) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? (THE IDOLM@STER CINDERELLA GIRLS)
Monthly Vitaman 2013-05
[kogasaki yuina] JK Mamamo No Shuugakuryokou Oppai Challenge | JK玉藻的畢業旅行ㄋㄟㄋㄟ大冒險 [Chinese] (Fate/Extra)[三色的大猩猩翻譯同盟]
Monthly Vitaman 2016-05
Monthly Vitaman 2006-12
(C78) [WORLD BOX, Bon's (Yuu, Sumeragi Sora)] 2-nen to 8-kagetsu no Kiseki | A Journey of 2 Years and 8 Months (Durarara!!) [English] [ebil_trio]
[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [English]
Captain Saimin Icha Love Challenge
(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS)
Futanari Milk Challenge | 迫真水泳部・扶她的里技―第一章
Waltz of the month (only first half)
Mordred nipple Challenge | 莫德雷德乳首挑戰
Monthly Vitaman 2007-11
Monthly Vitaman 2009-11
Kyogo ~Kunoichi Water Torture Challenge~
[The Monthly Istanbul (Ahugan Sugita)] Bikyaku Zukan (Various) [Digital]
[Hanauna] Mahou Shoujo Yuusha-chan (Monthly QooPA 2014-08) [Chinese] [NPC中文化]
Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan
Chaldea Outdoor Challenge Abby-chan to Issho
Monthly Vitaman 2007-10
Takagi Airi no 10-pun Challenge | Takagi Airi's 10 Minute Challenge
Kanoka Challenge_plot 2
Monthly UriboZakkaTen Jan.31,2020
[Kawai] ETD Challenge.
[Karma Tatsurou] Cacaosu (Monthly Vitaman 2013-03) [English] [UsagiTrans]
[The Monthly Istanbul (Ahugan Sugita)] Shotagari Witch [English] [q91] [Digital]
(Dramatic Change 3) [Ne. (Shiromitsu Daiya)] Challenge! Ochinchin Purupuruen ~3-nin nara Dekiru Mo~n~ (THE IDOLM@STER SideM)
Monthly Vitaman 2006-09
Monthly Vitaman 2010-02