Yui-chan SEX Challenge!!
[Chakura Kazuhiko] Futari no Housoku | Our Rules (COMIC LO 2010-09) [English] [Munyu]
Hard Normal Honey
(C65) [Hard Puncher Maniax (Shibahara Gocho)] Honey Sweet ☆Toast (Tsuki wa Higashi ni Hi wa Nishi ni)
(Futaket 5) [Temparing (Tokimachi Eisei)] Binbin Amazoness Ecstasy | Rock Hard Amazoness Ecstacy (Seiken Densetsu 3) [English] [q91] [Incomplete]
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 (Fate/Grand Order) [Chinese] [靴下汉化组] [Digital]
Happy Aphrodisiac Challenge
(C88) [Nipple Mokuba (Parabola)] SUPER HARD Hatsujou Imouto 2 (Touhou Project) [Chinese] [想抱雷妈汉化组]
Flan-chan no Saimin Nikubenki Challenge
[Mizu] PokaPoka After (Kids Challenge) [English] [QTR]
Akari Challenge
[Ura Urethan (Akari Seisuke)] GRAN VERY HARD (Granblue Fantasy) [Chinese] [黑夜汉化组] [Digital]
[Kobayashi Oukei] Shoubu no Okite! | Match Rules! [English] {Mistvern}
[Anzaki Moral] Ne! Shiyo - Let's make me hard!
[SNOB NERD WORKS (Sameda Koban)] HARD MODE (Sword Art Online) [Digital]
EMPIRE HARD CORE 2016 WINTER
(SUPER11) [Astonish (Naitou Naito)] Kodomo Challenge (Various) [English] [CrystalMeph]
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 (Fate/Grand Order) [Digital]
[Nigatsu Umare (Sawaki Koma)] Hard Down VER. W (Hyperdimension Neptunia) [Digital]
DOA DOA HARD CORE Momijizome | DOA DOA HARD CORE - Staining Momiji
[Saigado] Soto Kataku Naka Ururu | Outside Hard, Inside Ripe (COMIC Bazooka DEEP 2008-05) [English] [Tonigobe] [Decensored]
[Crimson Comics (Carmine)] Tifa Hard (Final Fantasy VII)
(C85) [Hakoku Kimuchi (Hardboiled Yoshiko)] Chinpora ~ Ikari no Megahon ~ (Pokemon)
[sanrokugo][Genki no mizu no wakutokoro (Various)] RO Hard Core (5th story) (ENG)
(CiNDERELLA ☆ STAGE) [Hard Lucker (Gokubuto Mayuge)] Koko ni Iru Arisu e (THE IDOLM@STER CINDERELLA GIRLS)
[Katou Teppei] Too Drunk to Hard-on [English] [resurrective, Messy] [Digital]
[Miraiya (Asari Shimeji)] Bumbling Detective Conan - File 8: The Case Of The Die Hard Day (Detective Conan)
(COMIC1☆8) [Daihonei (TYPE.90)] EMPIRE HARD CORE 2014 SPRING (Gundam Build Fighters) [English] {doujin-moe.us}
(C88) [Shinobi-Rocket (Sasamashin)] Akatsuki Challenge! (Kantai Collection -KanColle-)
EMPIRE HARD CORE 2019 SPRING
Kasen-chan no Jasen Rouraku Challenge
[hard days (Kamizawa Reiji)] YUH [Digital]
i-ll-make-you-understand-challenge
(C101) [chori (Chorimokki)] Nanjamo to Ura Gym Challenge!! | 奇树的秘密相声挑战!! (Pokémon Scarlet and Violet) [Chinese] [我今天爆炸了个人汉化]
[InuCream (InuCreamice)] 100 day TS challenge (chinese)
(COMIC1☆6) [Daihonei (TYPE.90)] EMPIRE HARD CORE 2012 SPRING (Ano Natsu de Matteru)
[Hardboiled Yoshiko] Himegoto Sex [Digital]
(C91) [Gambler Club (Kousaka Jun)] Satoshi Bokki shita? | Ash ♥ Did You Get Hard? (Pokémon) [English] {risette translations}
[Kisei Toukyoku (Richard Bahman)] Houkago Dairizuma Gifu wa Musume o Haramasetai [Chinese] [Digital]
(C97) [DECOPPACHI (Hidiri Rei)] DT Chinpo 100-pon Acme Challenge!! (Kiratto Pri Chan)
Futanari Milk Challenge 2
(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred)
Kyokon Shoujo Nyoudou Challenge!
[Kazusa Shima] Haado Buriidaa (Hard Breeder) Vol. 2
TS-kko Otokoyu Challenge!
(Futaba Gakuensai 8) [1000AP (Various)] Kodomo de Challenge 4 (Futaba Channel)
[Araki Akira] Soft x Hard
ETD Challenge.
[Milk Pudding (Jamcy)] Akane-chan Challenge! 4-kaime (VOICEROID) [Digital]
(C93) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Kouhen [Chinese] [Lolipoi汉化组]
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 3 (Fate/Grand Order) [Chinese] [一只麻利的鸽子汉化] [Digital]
(Dramatic Change 3) [Ne. (Shiromitsu Daiya)] Challenge! Ochinchin Purupuruen ~3-nin nara Dekiru Mo~n~ (THE IDOLM@STER SideM)
[Kikkaya (Uesugi Kyoushirou)] Haruka Challenge [English] [Scansforhumanity]
(C92) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge
JK Tamamo no Shuugaku Ryokou Oppai Challenge
[Sa-Ki] Honoka Challenge! (Love Live!)
Maki Nico Lez Challenge
(COMIC1☆10) [Labomagi! (Takeda Aranobu)] Atago to Takao no Chotto Hard na Choukyou Seikatsu (Kantai Collection -KanColle-) [Chinese] [空気系☆漢化]
The Hard Core
Zenseito Kyoushokuin 509-mei ni Zettai Fukujuu Suru Kounai Yuiitsu no Josei Hard SM Dorei Kyoushi Kouhen
adult challenge 1
[d.a.p (mougi)] Unknown Unlock Challenge (CROSS x BEATS) [Chinese] [这很恶堕汉化组] [Digital]
Pancakes Challenge | Desafío de Panqueques
[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge! (Zenpen) | One-month lifestyle challenge: Rooming in an apartment filled with dicks! Part 1 [Digital] [English] [Team Rabu2]
(SC2016 Summer) [HAMMER_HEAD (Makabe Gorou)] Hard Tachibana (THE IDOLM@STER CINDERELLA GIRLS) [English] [CutegirlsTL]
(C93) [Unagiyasan (Hanamiya Natsuka)] Otona Challenge!!
Hard Mode
[Ueno Naoya] Hard-X [English] [SaHa]
[Kogasaki Yuina] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Grand Order)
Nantaika Triad ♂ to Yukaina Nakamatachi Ochinchin Challenge Bon