(C63) [STORM (Saiki Yoshikazu)] Ai to Kanashimi no Kin○Buster (Kiddy Grade)
[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]
(Futaba Gakuensai 8) [1000AP (Various)] Kodomo de Challenge 4 (Futaba Channel)
Ko-Gil Challenge
Challenge Week
(Futaba Gakuensai 9) [1000AP (Various)] Kodomo de Challenge 5
(C92) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge
(C64) [SOLEX (TOKU)] Agarikusu (Kiddy Grade)
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}
Hajimete no Inpio Challenge
JK Tamamo no Shuugaku Ryokou Oppai Challenge
(SC32) [AXZ (Various)] UNDER RED E2 (Kiddy Grade)
[Mizu] Kids Challenge [English]
(Futaket 14) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 | 扶她榨乳挑战 3 [Chinese] [黄记汉化组]
DeKatsu no Osasoi Challenge!
Kanoka Challenge_plot 2
(Futaket 14) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3
Mahiru's men's swimsuit challenge
At first glance, it looks like a man swimsuit challenge + Textless + Bonus
(C46) [Uraryon Kikaku (Araizumi Rui)] Ran Ran Ran 1 (Ranma 1/2)
(C67) [SOLEX (TOKU, Sanomako)] RURIMIX SP2 (Martian Successor Nadesico)
Aisha Challenge 4
[Kon-Kit] Kaya-nee Volleyball ni Idomu | Ane☆Volleyball Challenge (Bishoujo Kakumei KIWAME Road 2012-12 Vol. 4) [English] [Malone] [Digital]
[InuCream (InuCreamice)] 100 day TS challenge (chinese)
[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]
Pancakes Challenge
Doki Doki ❤ Ticket Challenge! | 心跳不已的搶票大挑戰!
Aisha Challenge Renji ☆ 4
Natsukoi Challenge | Summer Love Challenge
[Ponpharse] Ponpharse - Tokubetsu Hen | Ponfaz's Special [English] [desudesu]
[Kurokoshi You] Challenge Week (COMIC Megastore 2010-07) [English] {doujin-moe.us}
(Rainbow Flavor 18) [Risoukyou (Rikiddo, Nishi Tagame)] Yami Cure Dream Stars ~Zengi no Tomodachi~ (Fresh PreCure!) [English] [Doujins.com]
[Yurikawa] Futago Challenge (Toshiue Kanojo Alternative) [English] [PSYN]
[Terujirou] Junior Dominating Senior Challenge! [RAW] [JAP]
Flan-chan no Saimin Nikubenki Challenge
(C63) [Tsurikichi Doumei (Various)] Non Dema-R Tankahen (Various)
Futanari Milk Challenge 6
Harakudashi Challenge 2
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2
Naisho no Enkou Challenge | Secret Sugar Daddy Challenge
Kagi Catch Challenge
(C63) [Kodomo Challenge (various)] Mainiti-ga-Kodomo-no-hi
Challenge Completed!
Kasen-chan no Jasen Rouraku Challenge
[Kashiwa-ya (Hiyo Hiyo)] Kiddy Grade ABH (Kiddy Grade)
Angel's stroke 137 Yui-chan Challenge!! 2
Futanari Milk Challenge 2 | 扶她榨乳挑战2
TS-kko Otokoyu Challenge!
(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura)
Utsuho Challenge!!
[Rippadou (Various)] Minisukadon [Digital]
(C94) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 4 | [番外篇]——快感觉醒!便器化的先辈! [Chinese] [鬼迷日眼的莱科少校个人川话化]
Otokoyu Challenge Suru Ko
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge (Kantai Collection -KanColle-)
(CR33) [EXtage (Minakami Hiroki)] EXtra stage vol.9 (Kiddy Grade)
(C101) [chori (Chorimokki)] Nanjamo to Ura Gym Challenge!! (Pokémon Scarlet and Violet)
(C97) [Yuasa Rengou (Jean Louis)] Tanpan Kozou no Oppai Gym Challenge! (Pokémon Sword and Shield) [Chinese]
[Kokusan JK (Velzhe)] Kagi Catch Challenge 2
Kanade Challenge Zenpen
(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order) [Chinese] [theoldestcat汉化]
[d.a.p (mougi)] UnknownUltimateChallenge (CROSS x BEATS) [Digital] [Chinese] [这很恶堕汉化组]
Chaldea Outdoor Challenge Abby-chan to Issho 3
[Croriin]~Succubus Challenge~(Isekai Rakuten Vol.5)[Chinese][星瞳漢化]
(iDOL SURVIVAL2) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? (THE IDOLM@STER CINDERELLA GIRLS)
(C101) [chori (Chorimokki)] Nanjamo to Ura Gym Challenge!! | 奇树的秘密道馆挑战!! (Pokémon Scarlet and Violet) [Chinese] [我今天爆炸了个人汉化]
(C66) [Mutsuya (Mutsu Nagare)] Sugoi Ikkoi 15 (Kiddy Grade)
Namaiki Kuchikukan Wakarase Challenge
(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred)
Semen Storage Challenge
Shake/Hands
(C96) [Akairo Kurena (Kurenai)] Jeanne Alter to Dakkou Challenge!! (Fate/Grand Order)
(CR33) [Kohakutei (Sakai Hamachi)] Tipsy Rouge (Kiddy Grade)
[Fukuyama Naoto] Saimin Tengoku Challenge 06 (COMIC BAVEL 2022-02) [Chinese] [萬神殿牛頭人個人漢化] [Digital]
[Kidocch1] Cute Jolyne Lewd Challenge (Revenge Edition) + Extras (Jojo's Bizarre Adventure) [Cryptic_P]
Kodomo Challenge 2
[inari mochi] Swimsuit Challenge