OniAi backdrop
OniAi poster

OniAi

6.5
1 season
12 episodes
Ended
Animation
Comedy
Romance

Plot Summary

Adorable young Akiko is thrilled to be reuniting with Akito, the handsome older brother she hasn’t seen in years! In fact, she might be a little too excited about living under the same roof with her precious big bro. This pint-sized cutie has a serious brother complex, and she’s definitely not interested in sharing his attention. Unfortunately for little sister, she and Akito won’t be living alone: three gorgeous girls from the student council will be along for the ride! So much for the peaceful existence Akito was craving. Big Brother the dreamy will have to stay on his toes to avoid the advances of Sis and her ravishing rivals!

First Aired:October 5, 2012
Last Aired:December 21, 2012
Episode Runtime:25m
Networks:
AT-X
Created By:
Daisuke Suzuki

Cast & Characters

Where to watch free (US)

No free providers found in US.

Seasons (2)

Season 1

Season 1

12 episodes

Aired: 2012

After 6-years' separation, Himenokouji Akito reunites with his twin sister Akiko and they live together once more. However, in the interim, Akiko had developed a serious case of bro-con, romantic feelings for Akito. It doesn't stop there as Nikaidou Arashi, the student council president of his new school, vice-president Nasuhara Anastasia, and Sawatari Ginbei Haruomi, who followed Akito all the way from Kyoto, all move in with him one after the other.

Production

SILVER LINK.

Media Factory

Lantis

DAX Production

Hakuhodo DY Media Partners

AT-X

Sony Music Communications