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OniAi poster

OniAi (2012)

6.5 1 season 12 episodes Ended
AnimationComedyRomance

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!

Watch S1 E1 Latest: S1 E12

Seasons & episodes

E1
Brother LoveOct 5, 2012 · 25m

Akiko moves into a school dormitory with her brother Akito, when he transfers to her school. Owing to her brother complex, Akiko has a crus…

E2
IndecentOct 12, 2012 · 25m

Akito catches Akiko reading a trashy romance novel. Akito, having trouble settling in to in his class, is given firsthand lessons in the co…

E3
No BraOct 19, 2012 · 25m

Akiko asks Akito for help changing her light. Akito has his hands full maintaining the dorm, from fixing the plumbing to repairing the door…

E4
NakedOct 26, 2012 · 25m

Akito brings home a special dessert, just for Ginbe to enjoy. Akito continues to fix up Anastasia's room, and the two of them discuss her h…

E5
Sexual desiresNov 2, 2012 · 25m

In a student government meeting, the council members discuss what they are going to call Akito. Kaoruko proposes that Akito write a short s…

E6
Mayonnaise & chickenNov 9, 2012 · 25m

Kaoruko reads the latest installment of Akito's love story. She decides to stop by the dorm, where she meets the others, and asks them whet…

E7
ChippaiNov 16, 2012 · 25m

Akiko is upset over not being consulted before Arisa, who claims to be Akito's fiancée, was hired as dorm manager. Later that day, Arashi p…

E8
ColorfulNov 23, 2012 · 25m

The girls all go to find new swimsuits even though summer is still in the distance. They try frilly ones, sexy ones, and cute ones. Then, A…

E9
Nii-NiiNov 30, 2012 · 25m

Akito follows Gin to the back of the school building to find out why she is acting so suspiciously. When Akito suddenly falls sick, everyon…

E10
“Gindama”Dec 7, 2012 · 25m

During her turn nursing, Ginbe reminisces about Akito's transfer to her school and how they first met. After Akito recovers he has to choos…

E11
EphemeralDec 14, 2012 · 25m

Unable to find her panties, Anastasia decides to go commando for the rest of the day. Arisa gets frightened by something she sees outside o…

E12
It's loveDec 21, 2012 · 25m

Everyone gets separated and Akiko is left alone with Nasuhara. While contemplating her panty dilemma, Nasuhara reminisces about her first m…

Cast

Ryota OsakaAkito Himenokoji (voice)
Ibuki KidoAkiko Himenokoji (voice)
Minori ChiharaAnastasia Nasuhara (voice)
Asami ShimodaGinbei Haruomi Sawatari (voice)
Eri KitamuraArashi Nikaido (voice)

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