MONTHLY THE IWATOVISION
A Challenger Has Appeared Which Naturally Leads To A Duel | Chousensha ga Arawareta - Shizen na Nagare de Kettou
[Milk Pudding (Jamcy)] Akane-chan Challenge! 4-kaime (VOICEROID) [Digital]
[18master] Boku to Kaa-san no Ikkagetsu 2 | My Month Together with Mom [English][Amoskandy]
(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!)
[Kogasaki Yuina] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Grand Order)
Naisho no Enkou Challenge | 不可告人的援交挑战
(C93) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Kouhen
Pancakes Challenge
Monthly Vitaman 2014-08
[Tenchuugumi] Queen Sayoko's Challenge (Ah! My Goddess!) English
Aisha Challenge 4
DT Chinpo 100-pon Acme Challenge!! | 100 Virgin Cock Orgasm Challenge!!
(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura) [English] [biribiri]
Monthly Vitaman 2007-01
Seieki Tamekomi Challenge
[Shigaoka Touki] Kekkon Suru Nara Mesuneko to (Monthly Vitaman 2015-04) [English] [Krozam]
Futanari Milk Challenge 2
[Kuon Michiyoshi] HUNDRED GAME Ch. 1 (Monthly Vitaman 2014-10) [English] [allenallenallen333]
[Bochi Bochi no Ki (Borusiti)] Kasen-chan no Jasen Rouraku Challenge (Touhou Project)
(C93) [Unagiyasan (Hanamiya Natsuka)] Otona Challenge!! [Chinese] [脸肿汉化组]
(Sennen Battle Phase 11) [ANNIELAURIE (Toyama Nanao)] SEX CHALLENGERS 02 (Yu-Gi-Oh! ARC-V)
Monthly Vitaman 2007-08
(C97) [DECOPPACHI (Hidiri Rei)] DT Chinpo 100-pon Acme Challenge!! (Kiratto Pri Chan)
W Jeanne to Off-Paco Challenge
Kasshoku Oneesan no Fudeoroshi Ver.4.1
Dokidoki Mesu Ochi Gohoushi Challenge
[The Monthly Istanbul (Ahugan Sugita)] Shotagari Witch [Digital]
Maki Nico Lez Challenge
Kasen-chan no Jasen Rouraku Challenge
Kanoka Challenge_plot 2
[Rapan (Himuro Shizuku)] Gekkan Duelist 11 - vol.03 | Monthly Duelist 11 - vol.3 (Yu-Gi-Oh! 5D's ) [English] [Utopia]
[Fanbox] Kanzarin [Hentai of the month] (3648356) [Textless]
You Are Challenged by Kogal Takuha | La Sfida
[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]
(C78) [Dennou Fuyu Mikan (Ueda Rieko)] Otona Challenge (Final Fantasy 4)
[Miyahara Ayumu] Abunai Mizugi (Monthly Vitaman 2011-06) [English] [Japanzai]
Monthly Vitaman 2015-09
(C94) [Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho (Fate/Grand Order) [Chinese] [脸肿汉化组]
[MelonBooks] Monthly MelomELO Feb.25,2013
[Dokudenpa Jushintei (Kobucha)] Imasara Shampoo Bottle Challenge o Suru Suieibu Coach no Manga | 现在才来挑战洗发水罐子的游泳部教练的漫画 [Chinese] [同文城] [Digital]
[Hinemosuan (Hinemosu Notari)] Asuda-san Challenge (Nijiket)
(C86) [Yamakawa Den'enfuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl)
[Comeon Showme] Unhappy Now Year (Monthly Vitaman 2013-02) [English] [Krozam]
Kodomo de Challenge 2
[Sakimori Dan] Sanae Challenge!! Ch. 1-2
Girls from a Prestigious School Challenged to an Escape Game
i-ll-make-you-understand-challenge
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi | Brown Lady Takes His First Time [English] [Chocolate] [Digital]
Gekkan "Za Bicchi" wo Mita Onna no Hannou ni Tsuite | About the Reaction of the Girl Who Saw "The Bitch Monthly"
(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order) [Chinese] [theoldestcat汉化]
[mizu] Poka Poka After (Kids Challenge) [Chinese] [Befreiungsfuehrer第五次个人汉化]
Monthly Vitaman 2009-12
Monthly Vitaman 2016-06
Akane-chan Challenge! 2.5-kaime
Demonic Onsen Paizuri (EscapeFromExpansion)
[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge! (Zenpen) | One-month lifestyle challenge: Rooming in an apartment filled with dicks! Part 1 [Digital] [English] [Team Rabu2]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 4 [Digital]
Mordred nipple Challenge | 莫德雷德乳首挑戰