“OniAi” (short for “Onii-chan dakedo Ai sae Areba Kankeinai yo ne!” or “As Long as There’s Love, It Doesn’t Matter If He Is My Brother, Right?”) is a Japanese romantic comedy anime series.
The story revolves around a high school boy named Akito Himenokouji, who has a little sister complex and loves his sister Akiko. One day, Akito’s parents go abroad, and his sister Akiko comes to live with him. However, Akito soon discovers that Akiko has feelings for him that go beyond sibling love. Akito must navigate his complex feelings while trying to maintain a normal sibling relationship with Akiko.
The anime series premiered on October 5, 2012, and ran for 12 episodes.
The most important characters in “OniAi” include:
Akito Himenokouji – The main protagonist, who loves his little sister Akiko and has a sister complex.
Akiko Himenokouji – Akito’s little sister, who comes to live with him and develops romantic feelings for him.
Arisa Takanomiya – A childhood friend of Akito, who is in love with him and tries to confess her feelings to him.
Anastasia Nasuhara – A foreign exchange student from Russia, who becomes a close friend of Akito and Akiko.
Ginbei Haruomi Sawatari – A male student who disguises himself as a girl and enrolls in the school to get close to Akito, whom he idolizes.