OniAi

Everything About Fiction You Never Wanted to Know.

OniAi (Onii-chan dakedo Ai sae Areba Kankei Nai yo ne!, which translates as As Long as There's Love, It Doesn't Matter If He Is My Brother, Right?) is a 2012 anime series.

The long form of the title tells you the basic plot.[1] The main character was separated from his twin sister early in his life, then he ends up living with her again in high school.

Tropes used in OniAi include:
  1. The short form of the title is used by almost everybody, including Wikipedia.