(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]
ani sex > otouto sex
(C84) [Yamaguchi Print (Tamaki Yayoi)] Pichipatsu Taisougi no Tama Oneechan to Icha Love Suru Hon (ToHeart2)
(C91) [27 (Fujitsuna)] Otouto wa Maid-san
Otouto Maid to Ichinichi-juu | All-day Younger Brother Maid
Otouto no Kanojo
Koi ni Ochita Uchi no Otouto
[Datsuryoku Kenkyuukai (Kanbayashi Takaki)] Yuuwaku Shite Kuru Otouto [English] [mysterymeat3] [Digital]
Otouto ga Tomarimasen
Otouto de Otoko o Shirimashita
Moshi Wagahai no Otouto ga Futanari no Onnanoko dattara
[Maybe] Ane To Aneotouto Ch.1-2
[Onsoku Ebifly (Lew)] Kawaii Otouto wa Onii-chan no Tame ni Imouto ni Narubeki! Sono 2 [English] {Hennojin} [Decensored] [Digital]
(C87) [Sakusaku Kangen Noushuku (Matashita Kintama)] Haitoku Josou Otouto no Inran Jojishi Aokan Pen [Chinese] [空想少年汉化]
Otouto no Musume 3
Oneechan ga Sex ni Makechatta kedo Watashi wa Makenai kara!
Seigangu Keikaku Namaiki na Otouto o Fukujuu sasetakute
(C96) [Funiai-ice (Funiai Riko)] Aya-chan no Otouto-kun to Runrunrun | Doing Boppin' Things With Aya-chan's Little Brother (BanG Dream!) (English)
[Kaochuu Kingdom (Sisei)] Chi no Tsunagaranai Otouto [Digital]
Otouto no Musume
[Atori Akinao (Atori K)] Watashi ga Sukoshi Toshi no Hanareta Otouto to Tsunagatte Shimatta Yoru no Koto.
[AKYS Honpo] Sex ni dada Hamari suru Ane to Otouto [Digital]
(C84) [99mg (Coconoe Ricoco)] Otouto no Chippai kara Oppai ga Deru You ni Natta Ken [Chinese] [刷牙子漢化]
(C94) [Yami ni Ugomeku (Dokurosan)] Sagisawa Fumika to saimin Dosukebe Nitta Minami no otouto (THE IDOLM@STER CINDERELLA GIRLS)
Sei ni Kyoumi o Mochihajimeta Ane to Otouto no Hatsutaiken
Ero Yakyuuken de Maketandakara Aya-oneechan ga Suki ni Shichau wa yo
(C83) [Yomosugara (Yomogi Ringo)] Otouto (Vocaloid) [English] {Shotachan}
[Usagi no Tamago] Oneechan no Nikka | Oneechan's Daily Routine (Nakadashi, Shite ne Geki-yaba! Anthology Vol.3) [English] [desudesu]
[Story Circle (Tonari)] Downer-kei Gamer Otouto ga Nii-san Sukisuki Imouto Succubus ni Naru made | From a Downer Gamer Little Brother♂ to a Little Sister♀ Succubus Who Loves Nii-san [English] [Panatical] [Digital]
[Takatsu] Level Up! (Oneechan Zukushi) [English] [BSN]
Nitori-oneechan no Daijina Oshigoto
[Contamination (eigetu)] Otouto no Kanojo | My Little Brother's Girlfriend [English] {Doujins.com} [Digital]
Onee-chan wa Otouto no Chinpo o Kansatsu Shitai
Hataraku Boku to Kawaii Otouto
(C91) [Yomosugara (Yomogi Ringo)] Master no Otouto to (VOCALOID)
[Granada Sky (Mogiki Hayami)] Amaeru Otouto ni Amai Ane [Digital]
(CT16) [Moehina Kagaku (Hinamatsuri Touko)] Oneechan ni Makasenasai v (Touhou Project)
[Kanou Soukyuu] Oneechan ga Issho
[Satou Takumi] Otouto no Onna wa Ore no Mono Ni (COMIC Megastore Alpha 2013-12) [English]
Otouto Ana To Tsunagaru Anal Hole
Motokano no Otouto ni Natsukarete Komattemasu ga Yaru Koto wa Yacchaimasu
[Ahiru Sanmyaku] Oneechan Time
[Jyun] NEET Ane wa Otouto o Dokusen Shitai Youdesu. | NEET Older Sister Wants to Monopolize Her Younger Brother! (COMIC Shingeki 2015-07) [English] [N04h]
Otouto no Migawari ni Natta Ane
[Anthology] Shin Shota Naburi Series - Yamete! Oneechan
Doutei Otouto to Bitch Ane - The cherry boy with Bitch sister.
[Aoiro Ichigou] Kono Joukyou de Otouto Route ga nai no wa Okashii! | This Situation is too Weird for it not to be a Little Brother’s Route! (Tamahime) [English] {Hennojin} [Digital]
(Rainbow Flavor 13) [Granada Sky (Mogiki Hayami)] Namaiki Wagamama Kawaii Otouto? (Go! Princess PreCure)
Otouto no Musume | 동생의 딸
[Tenyou] Oneechantachi ga Yatte Kuru 1
[Fuuga] Hatsujou Kazoku x Oneechan ga Onanie Tetsudatte Ageru
[Freehand Tamashii] 40 Majika no Otouto ga, Ane o Netorimashita. [Digital]
Otouto no Migawari ni Natta Ane
Otouto ni Netorareta Natsuyasumi
[Sakaki Tsui] Otouto Shikake no Honey Trap - Lovely Younger Brother Honey Trap Ch. 1-2 [Chinese] [萌控漢化組]
[Esora Note (Majima Shiroyuki)] nitta kakko otouto (THE IDOLM@STER CINDERELLA GIRLS) [Digital]
[Nama Cream Biyori (Nanase Meruchi)] Teihanpatsu JK Onee-chan Manami wa S na Otouto ni Sakaraenai | Low Resilience JK Big Sister Manami Won't Defy her S Younger Brother [English] [Amoskandy] [Digital]
Otouto ga Dekimashita