[Mizu] Kids Challenge
Dairoku! Otoile Challenge2
Twin Challenge ch. 1
TS-kko Otokoyu Challenge!
DT Chinpo 100-pon Acme Challenge!!
Monthly 'Aikawa' The Chief Editor Chp. 1
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 3 | Brown Lady Takes His First Time Ver. 3 [English] [vaasi] [Digital]
Monthly Vitaman 2008-03
Gekkan "The Bitch" o Mita Onna no Hannou ni Tsuite | About the Reaction of the Girl Who Saw "The Bitch Monthly"
Seieki Tamekomi Challenge
Monthly Vitaman 2017-11 [Digital]
Monthly Vitaman 2009-11
Nantaika Triad ♂ to Yukaina Nakamatachi Ochinchin Challenge Bon
[sky & si-o] 罪世 - バーサーカーチャレンジ | Tsumi Yo - Berserker Challenge [EN]
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2 [English] {Hennojin}
(C83) [Algolagnia (Mikoshiro Honnin)] Monthly Margareta Vol. 1 Event Henshuuban
Monthly Vitaman 2016-07
Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge
Yui-chan SEX Challenge!!
Yuusha no Sairoku Hon Challenge Omake Manga
Saimin Tengoku Challenge 04
Monthly 'Aikawa' The Chief Editor Chp. 3
[d.a.p (mougi)] UnknownUltimateChallenge (CROSS x BEATS) [Digital]
Dairoku! Otoile Challenge
(C95) [Labomagi! (Takeda Aranobu)] W Jeanne to Off-Paco Challenge (Fate/Grand Order)
[Harumi Chihiro] Hoshikuzu Diary (Monthly Vitaman 2007-04) [Chinese]
i-ll-make-you-understand-challenge
Challenge Week
[mizu] Nakama de Pokapoka (Kids Challenge) [Chinese] [Befreiungsfuehrer第三次个人汉化]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 3 | Brown Lady Takes His First Time Ver. 3 [English] [vaasi] [Decensored] [Digital]
[Yurikawa] Futago Challenge | Twin Challenge (Toshiue Kanojo Alternative) [English] [PSYN+DMD]
[Mikeke] ろり陵育 お漏らし編
[18master] Boku to Kaa-san no Ikkagetsu 2 | My Month Together with Mom [English][Amoskandy]
Monthly Vitaman 2017-01
Kasshoku Oneesan no Fudeoroshi Ver.4.1
[Usakun] Kongetsu no Wanko. | This Month's Doggy (Hatsukoi! Lyrical H) [English] [Digital]
Monthly Vitaman 2013-01
Etorofu-gata Muchikko Kodomo Challenge
(C93) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Kouhen
Eroi Bunnyue ni Shasei Gaman Shoubu o Idomu. | Challenging the Lewd Bunny to a Cum Endurance Battle.
(C96) Dairoku! Otoile Challenge
Monthly Vitaman 2006-12
Akane-chan Challenge! | 아카네짱 챌린지!