Monthly Vitaman 2007-08
(C94) [Bizensiki Roroppu (Bizen)] Oshiri Ecchi Challenge (Hatoba Tsugu)[Chinese][夏姬霸汉化组·改]
Etorofu-gata Muchikko Kodomo Challenge
Monthly Vitaman 2013-03
[zen9] Okusama Challenge - Challenge of Wife
Ero Trap Dungeon no Challenger
Okusama Challenge - Challenge of Wife
[Kuon Michiyoshi] HUNDRED GAME Ch. 5 (Monthly Vitaman 2015-03) [Chinese] [樱翼汉化组]
[Kyuu (Shooya Akira)] Futtou Challenge 2 rev.2 (Sora no Manimani)
Taiwan Comic Monthly
Seieki Tamekomi Challenge
[Karma Tatsurou] Ochitama | Fallen Balls (Monthly Vitaman 2013-02) [English] [UsagiTrans]
[Momonosuke] Beach de Kojinshidou - private lesson at the beach (Monthly Vitaman 2015-09) [English] [Fated Circle]
[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]
[Terujirou] Junior Dominating Senior Challenge!
[Kuon Michiyoshi] HUNDRED GAME Ch. 1 (Monthly Vitaman 2014-10) [English] [Self Translation]
[d.a.p (mougi)] Unknown Unlock Challenge (CROSS x BEATS) [Chinese] [这很恶堕汉化组] [Digital]
[Tenchuugumi] Queen Sayoko's Challenge (Ah! My Goddess!) English
Mordred nipple Challenge | 莫德雷德乳首挑戰
Kasshoku Onee-san no Fudeoroshi Kyou mo Himitsu no Seikatsu Shidou
Monthly Vitaman 2009-11
Gekkan "Za Bicchi" wo Mita Onna no Hannou ni Tsuite | About the Reaction of the Girl Who Saw "The Bitch Monthly"
Monthly Vitaman 2008-08
[kogasaki yuina] JK Mamamo No Shuugakuryokou Oppai Challenge | JK玉藻的畢業旅行ㄋㄟㄋㄟ大冒險 [Chinese] (Fate/Grand Order)[三色的大猩猩翻譯同盟]
(Stand Up! 29) [Kashitsuki (Momoko)] Ero Trap Dungeon no Challenger (Cardfight!! Vanguard)
Toka 1 hour drawing challenge (ichizikann)
Monthly 'Aikawa' The Chief Editor Chp. 5
(COMITIA97) [The Monthly Istanbul (Ahugan Sugita)] Bikyaku Zukan
[18master] Boku to Kaa-san no Ikkagetsu 2 | My Month Together with Mom [English][Amoskandy]
(C86) [Yamakawa Den'enfuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl)
Hitori Challenge Rakugaki
Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge
[The Monthly Istanbul (Ahugan Sugita)] Shotagari Witch [Chinese] [cqxl自己汉化] [Digital]
Kyokon Shoujo Nyoudou Challenge!
Monthly Vitaman 2006-11
(Kotonoha's Festa 2) [Milk Pudding (Jamcy)] Akane-chan Challenge! 2.5-kaime (VOICEROID) [Chinese] [古早个人汉化]
[Kuon Michiyoshi] HUNDRED GAME Ch. 1 (Monthly Vitaman 2014-10) [English] [allenallenallen333]
Monthly Vitaman 2013-05
Monthly QooPA 2014-08
Saimin Tengoku Challenge 04
Junior Dominating Senior Challenge!
Akane-chan Challenge! | 아카네짱 챌린지!
(SC39) [Various (Various)] Hatena? Challenge! (Challenge First-Year-Student)
(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!) [English] [ichigo-day]
[Mizu] Kids Challenge
[Kawai] ETD Challenge.
Monthly Vitaman 2012-01
Monthly MelomELO Jun.2014
Monthly Vitaman 2013-11
(C70) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Futakoi Challenge (Futakoi Alternative)
(C86) [Marked-two (Hideo)] Taihou Challenge! (Kantai Collection -KanColle-)
Monthly Vitaman 2015-11 [Digital]
Cute Jolyne Lewd Challenge + Extras
Futanari Milk Challenge 4 | 扶她榨乳挑战 4
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}
(Warabe Jitsuno Koukou Bunka Matsuri Duel Carnival) [Michu★Honey (Hikari.)] Kattobingu wa Challenge tte Kotoda ze! (Yu-Gi-Oh! Zexal)
Saimin Appli Challenge!!
Namaiki Kuchikukan Wakarase Challenge
Monthly Vitaman 2017-05
(C78) [Dennou Fuyu Mikan (Ueda Rieko)] Otona Challenge (Final Fantasy 4)
(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various) [Chinese] [不協和音漢化]
Yuusha no Sairokubon Challenge
Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan
Monthly Vitaman 2015-09
[dotsuco] Nametake Challenge!
TS-kko Otokoyu Challenge! | TS女孩男浴大作战!
(C92) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Zenpen
Futanari Milk Challenge 3
[Mizu] Ana no Toriko (Kids Challenge) [Chinese] [Befreiungsfuehrer第四次个人汉化]
(C86) [Contamination (eigetu)] Maki Nico Lesbian Challenge (Love Live!) [Incomplete]
[Fukumaaya] Uiuishii Imouto | Naive Little Sister (Monthly QooPA 2014-08) [English] [Crystalium]
[The Monthly Istanbul (Ahugan Sugita)] Shotagari Witch [Digital]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 5 [Chinese] [cqxl自己汉化]
Monthly Vitaman 2014-04
Monthly Vitaman 2015-08
Monthly Vitaman 2013-06
[RoriE-Do] VS Kishi no Honoo no Challenger (VS Knight Lamune & 40 Fire)
Monthly Vitaman 2008-11
(C92) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge [English] {Hennojin}
[Hara] Misaki-chan no Lotion Challenge
[Sakimori Dan] Sanae Challenge!! Ch. 1-2
Monthly Vitaman 2006-12
W Jeanne to Off-Paco Challenge
Dairoku! Otoile Challenge2
[Mizone] Onigashima no Kyokon (Monthly QooPA 2014-11) [Digital]
[d.a.p (mougi)] UnknownUltimateChallenge (CROSS x BEATS) [Digital]
Monthly Vitaman 2016-04
(Motto Warunodesu... Ouji) [Sakura Garden (Shirosuzu)] Aisha Challenge Renji ☆ 4 | 爱莎的☆4挑战 (Sennen Sensou Aigis) [Chinese] [DarkZ]
Pancakes Challenge
(C93) [Unagiyasan (Hanamiya Natsuka)] Otona Challenge!! [Chinese] [脸肿汉化组]