1 Month Challenge

Ma Yumiko (jotaika) hon sanpuru Monthly Girls' Nozaki-kun sample

[Mizone] Onigashima no Kyokon (Monthly QooPA 2014-11) [Digital]

Monthly Vitaman 2018-03 [Digital]

(C95) [Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra) [English] [Gawainized]

[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]

Monthly MelomELO Nov.11,2012

(C92) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge [English] {Hennojin}

(Kotonoha's Festa 2) [Milk Pudding (Jamcy)] Akane-chan Challenge! 2.5-kaime (VOICEROID)

(Warabe Jitsuno Koukou Bunka Matsuri Duel Carnival) [Michu★Honey (Hikari.)] Kattobingu wa Challenge tte Kotoda ze! (Yu-Gi-Oh! Zexal)

Getsumatsu Daikanshasai | End of the Month Appreciation Event

Captain Saimin Icha Love Challenge

[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]

[Abubu] Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan (Girls und Panzer)

Monthly Vitaman 2015-10 [Digital]

[Momonosuke] Renai Icchokusen! (Monthly Vitaman 2014-09) [English] [Fated Circle]

[Nekomata Naomi] Here Comes a New Challenger! (COMIC Kairakuten Beast 2007-04) [English] [Clearly Guilty Translations]

Monthly Vitaman 2015-09

(Dramatic Change 3) [Ne. (Shiromitsu Daiya)] Challenge! Ochinchin Purupuruen ~3-nin nara Dekiru Mo~n~ (THE IDOLM@STER SideM)

Misaki-chan no Lotion Challenge

Kanoka Challenge_plot 2

[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge!! (Kouhen) [Digital]

Time of the Month

Monthly Vitaman 2013-01

[Nishina Satomi] Kyokan-kun to Kogara-chan Shinchousa 43-centi de SEX Challenge - Giant and a small lady.

(C93) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Kouhen [Chinese] [Lolipoi汉化组]

Futanari Milk Challenge 2

Monthly QooPA 2013-10

(C63) [Kodomo Challenge (various)] Mainiti-ga-Kodomo-no-hi

(SC40) [Delayder (Makinon TM)] Yousei-san no?! Himitsu no Bouken no Tobira Preview ver (Challenge First-Year-Student)

(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS)

Kasshoku Oneesan no Fudeoroshi Ver. 4

(C86) [Marked-two (Hideo)] Taihou Challenge! (Kantai Collection -KanColle-)

Monthly Vitaman 2008-08

(C94) [Bizensiki Roroppu (Bizen)] Oshiri Ecchi Challenge (Hatoba Tsugu)[Chinese][夏姬霸汉化组]

Challenge Completed!

Kasshoku Oneesan no Fudeoroshi Ver.4.1

Nantaika Triad ♂ to Yukaina Nakamatachi Ochinchin Challenge Bon

Kodomo de Challenge 2

Akatsuki-chan Mayonaka no Otoile Challenge

Monthly Vitaman 2007-11

Utsuho Challenge!! ~Yobai ni Chousen~

[Satuyo] Pool de Challenge! Boyish (COMIC LO 2017-12) [Chinese] [code183汉化] [Digital]

Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge

[Suhamaya (Satou Takumi)] Eroi Bunnyue ni Shasei Gaman Shoubu o Idomu. | Challenging the Lewd Bunny to a Cum Endurance Battle. (Fate/Grand Order) [English] [Iscreamkat] [Digital]

Monthly Vitaman 2011-07 [Digital]

[Fanbox] Kanzarin [Hentai of the month] (3648356) [Textless]

[Takitomo Tsuguo] Lotion!? (Monthly Vitaman 2013-08) [Chinese] [最愛路易絲澪漢化組]

Chaldea Outdoor Challenge Abby-chan to Issho 3

Monthly Vitaman 2007-08

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 6 [Chinese] [cqxl自己汉化]

Futanari Milk Challenge 3 | 迫真水泳部・扶她的里技―第三章

(Futaket 14) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3

[MelonBooks] Monthly MelomELO Feb.25,2013

(C64) [kodomo challenge (Various)] natsu no kansatsu nikki | Summer observation diary (Original) [English]

(C95) [Labomagi! (Takeda Aranobu)] W Jeanne to Off-Paco Challenge (Fate/Grand Order) [Chinese] [黎欧x新桥月白日语社汉化]

Monthly Vitaman 2017-12 [Digital]

Monthly Vitaman 2016-08

Monthly Vitaman 2011-07

[Mizone] Hito no Ashi yori Hebi no Ashi Miyo (Monthly QooPA 2014-09) [Digital]

(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [无毒汉化组]

Tanpan Kozou no Oppai Challenge!

Monthly Vitaman 2015-11 [Digital]

Monthly Vitaman 2008-03

Akane-chan Challenge! 2.5-kaime

[Kusatsu Terunyo] Homestay Ikkagetsume | 1st Month of Homestay (COMIC Purumelo 2008-11) [English] [desudesu]

[sky & si-o] 罪世 - バーサーカーチャレンジ | Tsumi Yo - Berserker Challenge [EN]

(Zennin Shuuketsu 9) [Chikuwa to Kyuuri (Sakuraba Chizuru)] Otou-san Challenge (Naruto)

[Karma Tatsurou] Irekawa (Monthly Vitaman 2011-07) [English] [Blackgrunt] [Sensualaoi] {Re-set v2}

Monthly Vitaman 2015-04

(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}

(C94) [Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho (Fate/Grand Order) [Chinese] [脸肿汉化组]

Kasen-chan no Jasen Rouraku Challenge

U Challenge

[Tenchuugumi] Queen Sayoko's Challenge (Ah! My Goddess!) English

(C95) [Fuwatoro★Marinepolis (Sumitomo)] Theater Challenge (THE IDOLM@STER MILLION LIVE!)

Shimakaze-kun Challenge Shippai

[Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra)

Dairoku! Otoile Challenge

Futanari Milk Challenge | 扶她榨乳挑战

[Hibon (Itami)] Yuu-kun CHALLENGE!! Kobe Hen [Digital]