As Long as There's Love, It Doesn't Matter If He Is My Brother, Right?

, or OniAi for short, is a Japanese light novel series written by Daisuke Suzuki, with illustrations by Gekka Urū. The series was published by Media Factory under their MF Bunko J imprint starting in December 24, 2010 to January 25, 2019, finishing with 12 volumes. A manga series by Kurō Rokushō began serialization in the December 2011 issue of Media Factory's seinen manga magazine Monthly Comic Alive. It ran from September 27, 2011 to May 27, 2015 while producing 7 tankōbon volumes. An anime adaptation by Silver Link began airing in Japan on October 5, 2012 to December 21, 2012 for 12 episodes. The anime has been licensed for streaming by Funimation Entertainment.

Plot
Himenokouji twins Akito and Akiko have finally reunited with each other after separation due to the death of their parents. After six years of living apart they suddenly began to live under the same roof due to Akito's desire to live as a family unit once more. Things were fine at first until Akiko began to express her incestuous love for her older brother, who only sees her as a little sister.

Official

 * Official light novel webpage (in Japanese; stopped updating in 2013)

Other Sources



 * Light novel


 * Anime