[Nino-Kan (Karakan, Amakan)] Oniichan no Koto ga Daisuki de shouganai! (Oniichan no Koto Nanka Zenzen Suki Janain Dakara ne!!)
(C82) [Nanika no Atama (Picao)] Oniichan!? Onanii Kinshi!!!
(C87) [Asatsuki Dou (Youta)] Oniichan "Socchi" mo Aratte Ageyokka
My doll house 3 | 甜蜜寶貝屋 3
[ray-raw (Nobuhiro)] Datte Oniichan ga Daisuki nanda mon!!
[Calpis Koubou] Oniichan Kansoubun (The Inner Thoughts of Big Brother)[Digital]
Mugi-oniichan
(SC35) [Nounai Kanojo (Kishiri Toworu)] Mahou Shoujo to Oniichan Nano-! (Mahou Shoujo Lyrical Nanoha)
(CR35) [Studio Wallaby (Deep Purple '72)] Anata ga Oniichan (Shuukan Watashi no Onii-chan)
(C66) [Dog&God (Tamabe Inusuke)] Sister's case study. (Shuukan Watashi no Oniichan)
[Neko Melonya (Kurokawa Ryu)] Watashi no Kareshi wa Oniichan
[BLUE CATTY (MaP)] [2004-01-12] - Quarterly Dearest My Brother: School Satchel Girls (Shuukan Watashi no Oniichan)
[Negiyashiki (Moegi)] Oniichan Yuwaku Keikaku [Digital]
Futanari Dorei Gakuen-ka Keikaku 10
Futanari dorei gakuen-ka keikaku 4
[HONEY QP (Inochi Wazuka)] Oniichan To Watashi. (Sister Princess)
Foot Trap Ch. 5
[Udetate Nitro (Nakajima Yongou)] Mijikayo ~Oniichan to Futari no Yoru~
Futanari Dorei Gakuen-ka Keikaku 12
Suzu to oniichan
(C80) [Konoha (Hotei Kazuha)] Oniichan no DVD (THE iDOLM@STER)
[Hori Hiroaki] Imouto dakedo Oniichan, H Shiyo! H Shiyo! H Shiyou yo! [Digital]
(C79) [Shin Hijiridou Honpo (Hijiri Tsukasa)] Precure Henshin no Eikyou to, Oniichan ni Momareta sei de, Oppai ga Ookiku natta Itsuki no Ohanashi. (HeartCatch Precure!)
(COMITIA102) [abgrund (Saikawa Yusa)] Oniichan Controller
[Aoki Kou] Oniichan ni Natte
Kairaku Virus Kansen
Netori Netorare Chi ni Ochite Ch. 1-9
Futanari Dorei Gakuen-ka Keikaku 3
[Intoku.info (Endou Hiroto)] Seichouki no Imouto Miko wa Oniichan no Tame ni Ganbatte Sodachitai! [Digital]
(C63) [Studio Pastel (Darukichi)] daisuki Oniichan 2 (D.C. ~ Da Capo ~)
Mitsudomo-Ecchi
(C77) [Kaiyuu Kikaku (Suzui Narumi)] Oniichan to Issho (Vocaloid)
(C82) [STUDIO PAL (Nanno Koto)] Imouto wa Boku no Koibito - Oniichan to Natsumatsuri hen
[Sano Yuu] Dakkoshite Oniichan
[Kiryu Masumi] Imouto ni Seikyouiku ~ Oshiete Oniichan! | 妹妹好想要性教育~被哥哥搞到不要不要! Ch.1-7 [Chinese]
(C83) [SEITOKAISHITSU (Akimoto Dai)] Oniichan no Sei Dakara ne (Sword Art Online) [English] [CGrascal]
(C86) [R*kaffy (Aichi Shiho)] Boku dake No Oniichan [Chinese] [空想少年汉化]
Nyanko Ikusei Nikki Sono 1
軽い気持ちでキャバ嬢になった結果【前編】
Yoruhime
[Atelier Hachifukuan] Otonashiku Oniichan ni Shibararenasai! [Digital]
[Atelier Hachifukuan] Otonashiku Oniichan ni Shibararenasai! Third! [Digital]
Futanari Sennou Choukyougai no Nichijou Koupen
Suguha-chan no Dokidoki Oniichan Land
Warui Futanari Kanbu ni Makete Kaizosochi ni Tsunaga re Chau Hero san no Hanashi. Goutetsu no Daga 1
(C82) [Countack (Kojiki Ohji)] Oniichan to ** (Accel World)
(C87) [Asatsuki Dou (Youta)] Oniichan "Socchi" mo Aratte Ageyokka♥ | I'm going to wash you down there, too, Big brother♥ [English] [yuripe]
(SC57) [Adulterator (Kano)] Oniichan dakedo Itoko dakara ♥ Kozukuri shitemo ♥ Mondai naiyone (Sword Art Online)
[Aoki Kou] Oniichan ni natte
(C64) [Tougechaya (Touge Hiro)] Suki Suki Daisuki! Oniichan
[MilkyBox (Qoopie)] Imouto Haramication "Oniichan no Akachan Umarechau!"