OniAi
Series Overview
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!
Broadcast Schedule & Network Information
Airing status, episode counts, upcoming schedule, and network syndication.
1 Season • 12 Episodes
25 min per episode
2012 – 2012
Premiered: Fri, Oct 5, 2012
Latest Aired Episode
Season 1, Episode 12: “It's love”
Everyone gets separated and Akiko is left alone with Nasuhara. While contemplating her panty dilemma, Nasuhara reminisces about her first meeting with Akiko. What will happen to Akito and his crew of crazy girls that sleep under the same roof?
Seasons & Episodes Breakdown
Trailers, Teasers & Extra Featurettes
Official promotional previews, behind-the-scenes footage, and exclusive clips.
BD/DVD Combo TrailerOfficial
Type: Trailer • Published 2013-10-22
Cast & Creators
Explore Star Directory →
Creative Leadership & Key Crew
Keiichiro Kawaguchi
Daisuke Suzuki, Kazuyuki Fudeyasu
Takahiro Ando
Kojiro Hayashi
Masato Yoshitake
Osamu Hosokawa, Makoto Ito, Kentaro Iwasa, Shigeru Saito, Hayato Kaneko
Department Leadership Roster
Osamu Hosokawa
Producer
Makoto Ito
Producer
Kentaro Iwasa
Producer
Shigeru Saito
Producer
Hayato Kaneko
Producer
Yoshihisa Tsuda
Producer
Yosuke Wada
Producer
Hiromasa Minami
Producer
Masatoshi Ishizuka
Producer
Takashi Tachizaki
Producer
Kojiro Hayashi
Director of Photography
Masato Yoshitake
Editor
Takahiro Ando
Original Music Composer
Age Classification & Content Advisories
Official viewer rating standards and content warnings across international classification boards.
TV-MA: Mature Audience Only — Specifically designed to be viewed by adults and unsuitable for children under 17.
International Certification Matrix
Mature Audience Only — Specifically designed to be viewed by adults and unsuitable for children under 17.
18+ Restricted to Adults.
Production Stills & Gallery
Official cinematic photography and background stills for OniAi.
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Frequently Asked Questions About OniAi
Key facts, seasons breakdown, and credits for search engines and AI assistants.
What is OniAi about?
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!
How many seasons does OniAi have?
OniAi comprises 1 season available to explore.
Who stars in OniAi?
Key cast members in OniAi include Ryota Osaka, Ibuki Kido, Minori Chihara, Asami Shimoda, Eri Kitamura.
Who created or directed OniAi?
OniAi was developed and directed by Keiichiro Kawaguchi.