Hard Luck Brother
(SC2017 Winter) [Idobata Kaigisho (Fried)] Haikei Onii-sama Yakusoku Owasure Naki You (Kono Subarashii Sekai ni Syukufuku o!)
(C88) [Oberkochen (Rollei, Ramonii)] Korekara Ami ni Escalation Shimasu. (Cream Lemon)
(Futaket 13) [Rei no Tokoro (Kuroarama Soukai)] M.A.H.O Girls HARD CORE! (Mahou Tsukai Precure!)
Kronii no Shinkon Santaku
[Sanada] Onii-chan No Hajimete Wa Zenbu Boku To | All of My Onii-chan's firsts were with me (Nyotaika! Monogatari 7) [English] [Digital] [SachiKing]
(VineFes) [Pa-Pu- (LEE, Yamazaki Mitsuru)] Philia Licca & Wataoni (Licca Vignette, Shuukan Watashi no Onii-chan)
(COMIC1☆10) [TIES (Takei Ooki)] Watashi no, Onii-chan 3 [English] [N04H]
Sexercise And Hard Punching
(C87) [Nipple Mokuba (Parabola)] SUPER HARD Hatsujou Imouto (Touhou Project)
[Achumuchi] Saijaku Gal wa Ikizurai! - The weakest pussy is hard to go.ch.1-8 [Chinese] [战栗的玻璃棒汉化] [Ongoing]
Yuna Rikku Double Hard
[NAZ] Onii-chan e no Okurimono | A Present for Onii-chan (COMIC Megastore Alpha 2016-11) [English] [BlindEye]
[Marumaru Arumajiro (Majirou)] DOA DOA HARD CORE Momijizome (Dead or Alive)
[Saigado] Soto Kataku Naka Ururu | Outside Hard, Inside Ripe (COMIC Bazooka DEEP 2008-05) [English] [Tonigobe] [Decensored]
[Ishino Kanon] Onee-chan ga Onii-chan | Onee-chan is Onii-chan (Futanari Secrosse!!) [English] [desudesu]
(Futaket 5) [Temparing (Tokimachi Eisei)] Binbin Amazoness Ecstasy | Rock Hard Amazoness Ecstasy (Seiken Densetsu 3) [English] [q91]
(C89) [neutral. (Shimajima Othello)] Onii-chan wa Boku no Juujun Heroine (Galactic Armored Fleet Majestic Prince)
(C76) [Hard Puncher Maniax (Shibahara Gotyo)] Seishun no Bell Narippanashi! (Saki)
(COMIC1☆6) [Daihonei (TYPE.90)] EMPIRE HARD CORE 2012 SPRING (Ano Natsu de Matteru) [English] {Hennojin}
(C88) [Nipple Mokuba (Parabola)] SUPER HARD Hatsujou Imouto 2 (Touhou Project)
[Ueno Naoya] SIDE-A GUN SHOT (HARD-X) [Chinese] [Incomplete]
[Utano] Onii-chan to Akarui Kinshin Keikaku | 與哥哥兩情相悅的近親計畫 [Chinese]
Chicchana Succubus-chan ni Shiborareru dake no Hon
(C73) [Hard Puncher Maniax (Shibahara Gocho)] Vocaloid Shoukougun (VOCALOID2)
(C97) [Daihonei (TYPE.90)] EMPIRE HARD CORE 2019 WINTER (Choujin Koukousei-tachi wa Isekai demo Yoyuu de Ikinuku you desu!)
(HaruCC18) [EVE-SYA, Love Size (Saiga Mayu, Tanaka Rin)] Boku o Yuowaku suru 4-shu no Kireina Onii-san (VOCALOID)
(COMIC1☆13) [P:P (Oryou)] Onii-chan, Hitorijime Shitai no...!
Hard to Get Sister [English] [Rewrite] [EZ Rewriter]
(C86) [Hard Puncher Maniax (Shibahara Gotyo)] Kanmusu Nostalgia (Kantai Collection -KanColle-)
(C93) [SHINING (Shaian)] Master-san to Onii-chan Illya to Ecchi Shiyo (Fate/Grand Order) [English]
(COMIC1☆7) [Daihonei (TYPE.90)] EMPIRE HARD CORE 2013 SPRING (Maoyuu Maou Yuusha) [English] {doujin-moe.us}
Hard Harassment
EMPIRE HARD CORE 2015 SUMMER
[drill'n girl (Uehasu)] Onii-san no Totsu Kashite Kudasai | Let Me Borrow Your Dick [Digital][English]
[Hijiri] Nikutai Change. ~ Onii-chan no Karada de Iku Nante! ! ~ Vol. 2 [Digital]
Pai Hard | 終極・歐ー派
(C87) [Daihonei (TYPE.90)] EMPIRE HARD CORE 2014 WINTER (Space Battleship Yamato 2199) [English] {doujins.com}
[Minato Itoya] Nee, Onii-chan - Yes... my brother, I'm impurity. | 喂喂、大哥哥快來 [Chinese]
M.A.H.O Girls HARD CORE!
(SC2015 Summer) [Kazeuma (Minami Star)] Shin Sekaiju 2 no Anone Hard (Etrian Odyssey)
[Kemoyuru (Akahito)] Onii-chan o Sakusei shini Kichatta [Digital]
[Crimson Comics (Carmine)] Tifa Hard AC (Final Fantasy VII Advent Children)
[Miyamoto Yuu] Ijimenaidene - Please Be not Hard on Me
Yukemuri Hard Face
Onii-san, Chotto Asondekanai? | Onii-san, won't you come play for a little bit?
(C94) [TIES (Takei Ooki)] Watashi no, Onii-chan Kakioroshi (Watashi no, Onii-chan Soushuuhen) [Chinese] [水土不服汉化组]
[Rico] Onii-chan Asobo | Let's Play Onii-chan Ch.1-8 [English] {Mistvern}
[Crimson Comics (Carmine)] Nel Hard (Star Ocean 3)
Fukujuu to Amagami | Hard to say I love you 1-4
Harem Shujinkou ga Nakadashi Hyakuhappatsu Kimenakya Bokki Osamaranai!! | Unless This Harem Protagonist Can Cum 100 Times He Won't Be Able To Stop Being Hard!!
(CR31) [Hard Taco (Gotoh Akira)] Nounai Gekijou vol. 2 (Sister Princess)
[Birobon] Jikan Teishi Onii-chan Kita na.. [Digital]
*HARD LUCK WOMAN*ch.1
(C83) [GUILTY HEARTS (FLO)] BLUE EYES BLUE (Onii-chan dakedo Ai sae Areba Kankeinai yo ne)
[Cartagra (Kugami Angning)] Watashi no Hajimete wa Zenbu Onii-chan no Mono no You desu. [Digital]
[HONEY QP (Inochi Wazuka)] Onii-chan to Asobo [Digital]
[Tanaka-Ex] Onii-chan wa Mangaka-san! [Digital]
[GN (Girl's Number)] Onegai Onii-chan
[MECCHORI (Mitsuru)] HARD CANDY FULL COURSE (Kekkai Sensen) [Digital]
Myoukou-san Hard Ona Long Dildo de Naizoukan Self Seieki Chuunyuu Shussan