- Country: Japan
- Genres: Animation
- Release: 2012-10-05
- Director: N/A
- Writers: N/A
- Language: Japanese
- Stars: Sumire Morohoshi , Eri Kitamura , Ryota Osaka , Asami Shimoda , Minori Chihara , Megumi Takamoto , Ibuki Kido
- Runtime: 1 min
- Awards: N/A
- AKA: Onii-chan Dakedo Ai Sae Areba Kankei Nai yo ne- , Onii-chan Dakedo Ai Sae Areba Kankei Nai Yo Ne- (Philippines) , OniAi (United States of America) , Onii-chan Dakedo Ai Sae Areba Kankei Nai yo ne- (Indonesia) , Onii-chan Dakedo Ai Sae Areba Kankei Nai Yo Ne- (India) , Onii-chan Dakedo Ai Sae Areba Kankei Nai yo ne- (Japan) , OniAi (India) , OniAi (Japan) , Onii-chan Dakedo Ai Sae Areba Kankei Nai yo ne- (Mexico) , OniAi
- Plot: After 6 years of living apart due to the death of their parents, the Himenokoji 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.
- IMDB:tt2390038
Onii-chan Dakedo Ai Sae Areba Kankei Nai yo ne- Cast · · · ALL
Ibuki Kido
Akiko Himenokōji
Asami Shimoda
Haruomi Ginbei Sawatari
Eri Kitamura
Arashi Nikaido
Megumi Takamoto
Kaoruko Jinno
Minori Chihara
Anastasia Nasuhara
Sumire Morohoshi
Arisa Takanomiya