OniAi (お兄ちゃんだけど愛さえあれば関係ないよねっ, Onii-chan dakedo Ai sae Areba Kankei Nai yo ne!, lit.

Although things are fine at first, Akiko begins to express her incestuous love for her older brother, who only sees her as his little sister.

OniAi started as a Japanese light novel series, written by Daisuke Suzuki, with illustrations by Gekka Urū.

[5] A 12-episode anime television series adaptation, directed by Keiichiro Kawaguchi and produced by studio Silver Link, aired in Japan between October 5 and December 21, 2012,[6] The series is licensed in North America by Funimation Entertainment (now known as Crunchyroll LLC) and later simulcasted for streaming by Funimation and later Crunchyroll.

), by Liliana Sisters consisting of Ibuki Kido, Minori Chihara, Asami Shimoda and Eri Kitamura.