(Puniket 19) [Furaipan Daimaou (Chouchin Ankou)] Kazoku True-ka Keikaku (Baby Princess)
Ouchi Date
Kanchigai de Kyoudai Ecchi!?~ Otouto no Kuse ni Naka de Ippai…!
[Ouchi Kaeru] Tensai Eno Chikamichi (COMIC X-EROS #66) [Chinese] [code183漢化] [Digital]
(C82) [Shiranai Ouchi (Amedori)] Chamomile
[Sakaki Tsui] Otouto Shikake no Honey Trap - Lovely Younger Brother Honey Trap
[Mizuiro Ame no Ouchi (Mizuiro Ame)] Shikyuudatsu! Shokushu-sama no Naedoko ~Shokushu-sama ni Watashi-tachi no Shikyuu o Sasagemasu~
(C94) [666Protect (Jingrock)] Otouto no Musume
(CT22) [Monte Carlo-ya (Sena Monaco)] Nee-chan ga Kawaii kara Otouto ga Yokujou suru (It's Not My Fault That I'm Not Popular)
[Ommed (Momoshiro)] Otouto wa Otoshigoro
[Oda Natsuki] Otouto-tachi no Touma Oukoku Haneiki (Fire Emblem if)
(C97) [Coin Toss (Anzuame)] Illya to Ouchi de Ecchi Shitai!! | I Want to Have Sex with Illya at Home!! (Fate/kaleid liner Prisma Illya) [English] [GAP Translations]
(C83) [Furaipan Daimaou (Chouchin Ankou)] Yurusou de Yurukunai Demo Chotto Yurui YuruYuri (YuruYuri) [Chinese] [沒有漢化]
(CT22) [Monte Carlo-ya (Sena Monaco)] Nee-chan ga Kawaii kara Otouto ga Yokujo suru (Watashi ga Motenai no wa Dou Kangaetemo Omaera ga Warui!) [English]
Ouchi Hardcore
[Setouchi Pharm (Setouchi)] Mon Musu Quest! Beyond The End (Monster Girl Quest) [Digital]
[Setouchi Pharm (Setouchi)] Mon Musu Quest! Beyond The End 7 (Monster Girl Quest!) [Digital]
[Kidouchi Kon] Wild Mammals
(C89) [Muhouchitai (Ottoman Turks)] Tenryuu-gata Zenritsusen Kaihatsukan Tatsuta-chan (Kantai Collection -KanColle-)
[Onsoku Ebifly (Lew)] Kawaii Otouto wa Onii-chan no Tame ni Imouto ni Narubeki! Sono 2 [Digital]
(Rainbow Flavor 13) [Granada Sky (Mogiki Hayami)] Namaiki Wagamama Kawaii Otouto? (Go! Princess PreCure)
(COMIC1☆4) [PASTEL WING] Suzi×kiss ~Otouto to Kodukuri shicha Damedesuka~ (Kiss x Sis)
[TTSY (Kurogane Satsuki)] Kareshi no Otouto-kun wa Shiritagari
(C79) [Hitomaron (Setouchi Sumako)] Kagiana Gekijou Shoujo 9 (Sayonara Zetsubou Sensei)
[Ouchi Kaeru] Haru to Ao - Our adolescence
(C89) [Akaneko (Sakura Siro)] Betsuni Uchi no Otouto Nanka Zenzen Kawaikune-shi [English] [mysterymeat3]
Maougun ni Tsukamatta Yuusha Party no Mahoutsukai
Sensei de Senpai | 老師是學姊
(SC46) [Consava (Himeno Komomo)] Ane to Otouto to Kinshin Soukan (Baka to Test to Shoukanjuu)
(C82) [Shiranai Ouchi (Amedori)] Chamomile [English] [SMDC]
Otonari
[Setouchi Pharm (Setouchi)] Summer Monque Book (Monster Girl Quest!) [Digital]
[Setouchi Pharm (Setouchi)] Kanojo no Tekiou | Adapting Girlfriend - ATTACK OF THE MONSTER GIRL [English] =LWB= [Digital]
Otouto no Musume 4 -Saishuushou-
[Otomeza (Kinouchi Ai)] Youkai Gakuen Yuukai Annai (Rosario +Vampire)
[R*kaffy (Aichi Shiho)] Otouto ni Josou Sasetara Sekkyokuteki Kawaii [Digital] [English]
COMIC Kairakuten 2021-04
(C95) [666Protect (Jingrock)] Otouto no Musume 2
MurePara 3-sokume! Ouchi de Otights Collection
[Setouchi Pharm (Setouchi)] Danjo Gyakuten Ninkatsu 2
[TTSY (Kurogane Satsuki)] Kareshi no Otouto-kun wa Shiritagari [Chinese]
[Setouchi Pharm (Setouchi)] Fuyu no MonQue Bon (Monster Girl Quest!) 2 [English] [Ruru Scanlations] [Digital] [Incomplete]
(C84) [Kakumei Seifu Kouhoushitsu (RADIOHEAD, Chimosaku)] Watashi ga Bitch ni Natta nowa Dou Kangaetemo Otouto ga Warui! (Watashi ga Motenai no wa Dou Kangaetemo Omaera ga Warui!)
(Puniket 22) [Hitomaron (Setouchi Sumako)] Pantsu to Zubon no Kyoukaisen 2 | The Boundary Line Between Panties and Pants 2 (Strike Witches) [English] [Yuri-ism]
[Ommed (Momoshiro)] Otouto wa Otoshigoro [English] [yalmetc]
[Pecan (Makunouchi)] Ningen Joya no Kane [English] [Tigoris Translates]
[Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Yuuwaku Shite Kuru Otouto [English] [mysterymeat3] [Digital]
(C92) [Marchen Box (Chouchin Ankou, OKINA, Shiran Takashi)] Nikoni! (Love Live!)
Otouto Succubus-ka! Inma no Kyoudai Nyotaika Sakusen 1-2
[Pecan (Makunouchi)] Oshioki Ladies Cop
[Pecan (Makunouchi)] Sao Ire Kyousou