9 Months With Ellie
[Kuon Michiyoshi] HUNDRED GAME Ch. 1 (Monthly Vitaman 2014-10) [Chinese] [樱翼汉化组]
[Satuyo] Pool de Challenge! Boyish (COMIC LO 2017-12) [Chinese] [code183汉化] [Digital]
[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge!! (Kouhen) | Middle Schooler in a Cock Filled Room for 1 Month Challenge!! (Pt. 2) [English] [DMC] [Digital]
Monthly Vitaman 2018-04
Ko-Gil Challenge
JC Chinpo-beya Ikkagetsu Seikatsu Challenge!!
Ishtar no Houkei Chinpo Mukimuki Challenge Jipponshoubu+Gojitudan
Flan-chan no Saimin Nikubenki Challenge
[Terujirou] Junior Dominating Senior Challenge!
[Kuon Michiyoshi] HUNDRED GAME Ch. 4 (Monthly Vitaman 2015-02) [Chinese] [樱翼汉化组]
Once A Month Visitor
[RoriE-Do] VS Kishi no Honoo no Challenger (VS Knight Lamune & 40 Fire)
Monthly Vitaman 2014-03
[Milk Pudding (Jamcy)] Akane-chan Challenge! 4-kaime (VOICEROID) [Digital]
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2 [English] {Hennojin}
(C91) [Angelic Feather (Land Sale)] Flan-chan no Saimin Nikubenki Challenge (Touhou Project)
DT Chinpo 100-pon Acme Challenge!! | 100 Virgin Cock Orgasm Challenge!!
Eroi Bunnyue ni Shasei Gaman Shoubu o Idomu. | Challenging the Lewd Bunny to a Cum Endurance Battle.
[Fujisaka Kuuki] Opparadise wa Shinryouchu | 欧派天国诊疗中 Ch. 9 (Monthly Vitaman 2018-04) [Chinese] [前线作♂战♀基地] [Digital]
(C92) [Milk pudding (Jamcy)] Akane-chan Challenge! (VOICEROID)
Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge
Rika no Oshiri Challenge
(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [无毒汉化组]
(Futaket 14) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 | 迫真水泳部・扶她的里技―第三章[风俗店篇] [Chinese] [鬼迷日眼的莱科少校个人川话化]
Matsuno Osomatsu no Sex Challenge
Monthly Vitaman 2016-04
Monthly Vitaman 2011-07
[Karma Tatsurou] Ochitama | Fallen Balls (Monthly Vitaman 2013-02) [English] [UsagiTrans]
Dairoku! Otoile Challenge2
Kurakura Kyouka Gekkan | A Month Of Increasing Pleasure
A Challenger Has Appeared Which Naturally Leads To A Duel | Chousensha ga Arawareta - Shizen na Nagare de Kettou
[Mizu] Kids Challenge [English]
[Fanbox] Kanzarin [Hentai of the month] (3648356)
Toka 1 hour drawing challenge (ichizikann)
(Sennen Battle Phase 10) [ANNIELAURIE (Toyama Nanao)] Sex Challengers (Yu-Gi-Oh! ARC-V)
Akane-chan Challenge! 2.5-kaime
(Motto Warunodesu... Ouji) [Sakura Garden (Shirosuzu)] Aisha Challenge 4 (Sennen Sensou Aigis)
Monthly Vitaman 2015-11
[Miyahara Ayumu] Abunai Mizugi (Monthly Vitaman 2011-06) [English] [Japanzai]
Okusama Challenge - Challenge of Wife
Doki Doki ❤ Ticket Challenge!
Renzoku Kyousha Challenge
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Onee-san no Fudeoroshi Kyou mo Himitsu no Seikatsu Shidou [Digital]
[Homura Subaru] Milky Succubus Lyli 4 (Monthly QooPA 2015-02) [Digital]
[Algolagnia (Mikoshiro Honnin)] Monthly Margareta Vol. 2
(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura)
Futanari Milk Challenge 2 | 迫真水泳部・扶她的里技―第二章
Kodomo de Challenge 4
[Utsutenkai (Shirizou)] Katabutsu Iinchou to NTR Play ni Challenge Suru Hon / Book About A Tightly Wound School Council President Challenging Herself To Do Some NTR Play [English] {Doujins.com}
Time of the Month
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 3 | Brown Lady Takes His First Time Ver. 3 [English] [vaasi] [Digital]
Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 3 | Chaldea Outdoor Challenge with Abby-chan 3 (Fate/Grand Order) [Digital] [English] [The Blavatsky Project]
(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various) [English] [TF translations]
Kuroshio Challenge
Otona Challenge!!
Monthly Vitaman 2018-05 [Digital]
Futanari Milk Challenge
Saimin Tengoku Challenge 04
Shizuku to Airi no 1-kagetsu Dousei Challenge!! | 雫和愛梨的一月同居挑戰!!
After A Month
[Karma Tatsurou] Irekawa (Monthly Vitaman 2011-07) [English] [Blackgrunt] [Sensualaoi] {Re-set}
Hatsuzuki to Muremure Muramura Natsu Ecchi! | Having Stuffy Sex On The First Month Of Summer!