OniAi
Trailer
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.
Where to Watch
United States
Currently you are able to watch OniAi streaming on Crunchyroll (Via Prime Video), Crunchyroll, Funimation, and Roku.
'OniAi' Streaming: How to Watch Anywhere
Currently, OniAi is available in Canada, the UK, New Zealand, and the US
If OniAi is not available in your country or you're traveling, use NordVPN to access it anywhere. Plus, Reelgood users get 3 months free, making it easier to enjoy your favorite content without interruptions.
| Country | Services | Access with NordVPN |
|---|---|---|
| United States | Crunchyroll Premium, Funimation, Roku | ✅ |
| United Kingdom | Crunchyroll Premium, Funimation | ✅ |
| Australia | Not Available | ✅ |
| Canada | Crunchyroll Premium | ✅ |
| New Zealand | Funimation | ✅ |
Streaming availability last updated: 03:03:16 AM, 04/25/2025 PST
More Information on OniAi
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. OniAi featuring Ibuki Kido and Ryota Osaka has one or more episodes streaming on Crunchyroll Premium, streaming with subscription on Funimation, and streaming with subscription on Roku. It's an anime and romance show with 12 episodes over 1 season. OniAi is no longer running and has no plans to air new episodes or seasons.
Akiko Himenokōji
Ibuki Kido
Akito Himenokōji
Ryota Osaka
Haruomi Ginbei Sawatari
Asami Shimoda
Arashi Nikaido
Eri Kitamura
Kaoruko Jinno
Megumi Takamoto
Anastasia Nasuhara
Minori Chihara
Arisa Takanomiya
Sumire Morohoshi
Creator
Daisuke Suzuki
Ratings & Reviews
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EPISODE GUIDE
OniAi Season 1 Overview
Oct 5, 2012 - Dec 21, 2012Season 1 of OniAi has 12 episodes that are available to stream on Crunchyroll Premium, Funimation, Roku.
OniAi Season 1 Episodes
S01 E12It's Love
Dec 21, 2012Everyone gets separated and Akiko is left alone with Nasuhara. While contemplating her panty dilemma, Nasuhara reminisces about her first...
S01 E12 of OniAi is available to stream on Funimation, Roku, Crunchyroll Premium.
S01 E11 Fleeting
Dec 14, 2012Unable to find her panties, Anastasia decides to go commando for the rest of the day. Arisa gets frightened by...
S01 E11 of OniAi is available to stream on Funimation, Roku, Crunchyroll Premium.
S01 E10 Silver Ball
Dec 7, 2012During her turn nursing, Ginbe reminisces about Akito's transfer to her school and how they first met. After Akito recovers...
S01 E10 of OniAi is available to stream on Funimation, Roku, Crunchyroll Premium.
