OniAi (お兄ちゃんだけど愛さえあれば関係ないよねっ Oniichan dakedo Ai Sae Areba Kankeinai yo ne!, lit. As Long as There’s Love, It Doesn’t Matter If He Is My Brother, Right?), is a Japanese light novel series written by Daisuke Suzuki, with illustrations by Gekka Urū. An anime adaptation by Silver Link aired in Japan from October 5 to December 21, 2012. After 6 years of living apart due to the death of their parents, the Himenokōji twins, Akito and Akiko, are finally reunited when Akito desires to live as a family once more. 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.