Renzoku Kyousha Challenge
Monthly 'Aikawa' The Chief Editor Chp. 7
Chaldea Outdoor Challenge Abby-chan to Issho 3
Renzoku Kyousha Challenge
DT Chinpo 100-pon Acme Challenge!! | 100 Virgin Cock Orgasm Challenge!!
(C93) [Unagiyasan (Hanamiya Natsuka)] Otona Challenge!! [Chinese] [脸肿汉化组]
Monthly Vitaman 2015-05
[Karma Tatsurou] Irekawa (Monthly Vitaman 2011-07) [English] [Renaissance Da Vinci Translation] [Incomplete]
(C77) [Kyuu (Shooya Akira)] Futtou Challenge (Sora no Manimani)
UnknownUnlockChallenge
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}
[Algolagnia (Mikoshiro Honnin)] Monthly Margareta inaugural issue "Entrance Information" vol.000
Monthly Vitaman 2017-01
Kodomo de Challenge 2
[Akinao] Kasumi to Ren-nii-chan (Monthly Vitaman 2016-06) [English] {NecroManCr}
Akane-chan Challenge! | 아카네짱 챌린지!
Monthly Vitaman 2015-02
[Shigaoka Touki] Kekkon Suru Nara Mesuneko to | If It's Getting Married, a Catgirl... (Monthly Vitaman 2015-04) [English] [Krozam]
[Yonemochi Akihiko] adult challenge 1
Monthly Vitaman 2015-09
[Kogasaki Yuina] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Grand Order)
Monthly Gekiman Special 2012-11 [Incomplete]
(Sennen Battle Phase 11) [ANNIELAURIE (Toyama Nanao)] SEX CHALLENGERS 02 (Yu-Gi-Oh! ARC-V)
Naisho no Enkou Challenge | 不可告人的援交挑战
[Kuon Michiyoshi] HUNDRED GAME Ch. 1 (Monthly Vitaman 2014-10) [Chinese] [樱翼汉化组]
(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred) [Chinese] [清純突破漢化]
[Bobobo] Hito Tsukiburi | After A Month (PLDK) [English] =LWB=
(C81) [Azuki Monaka (Takenouchi Suama)] Magical Saimin Challenge (Magical Halloween)
TS-kko Otokoyu Challenge!
(Kotonoha's Festa 2) [Milk Pudding (Jamcy)] Akane-chan Challenge! 2.5-kaime (VOICEROID)
Futanari Milk Challenge 2 | 迫真水泳部・扶她的里技―第二章
Futanari Milk Challenge 6
[deathALICE] Time of the Month (Girls' Frontline) [English]
[Jyoka] Igyou Kaikitan Mannequin | Wonderfully Grotesque Mystery - Mannequin (Monthly QooPA 2015-06) [English] [SaHa]
[Fujisaka Kuuki] Oppai Paradise Shinryouchuu! | 歐派天國診療中! (Monthly Vitaman 2017-05) [Chinese] [前线作战基地] [Digital]
Monthly Vitaman 2014-09
An NTR Day Per Month - Husband Pretends Not To See It Before Her
Monthly QooPA 2014-08
Challenge Days
Etorofu-gata Otoile Challenge