OniAi watch order
Updated October 2026 · 2 entries · release order
Short answer
Watch OniAi in release order: OniAi.
1
main story entries
12
episodes
~5 h
to watch the main story
1 optional entry (recaps, side stories, specials) is marked below.
Release order
- 1
- 2
OniAi SpecialsSide story · optional, after OniAiSpecial · Fall 2012 · 6 ep · ~20 minutes · score 2.9/5
How long is OniAi?
| Part | Entries | Episodes | Watch time |
|---|---|---|---|
| Main story | 1 | 12 | about 5 hours |
| Everything released | 2 | 18 | about 5 hours |
Watch time uses each entry's episode length, or a typical length where we don't have one.
Where to watch OniAi
- Crunchyroll 1 of 2 entries
- Hulu 1 of 2 entries
Services and regions change; each entry above links its own official pages. Where to watch OniAi has the full list, free options included.
Is OniAi finished?
As far as anything announced goes, yes: the last entry, OniAi, came out in 2012. Nothing new is announced yet.
Do I need to watch the OniAi movies and OVAs?
Optional: OniAi Specials.
How many episodes does OniAi have?
The main story is 12 episodes over 1 entry, about 5 hours of viewing. With every optional entry it is 18 episodes (about 5 hours).
Where can I watch OniAi?
Officially on Crunchyroll, Hulu. Availability depends on your region; each entry below lists its own services.
Related manga
- Onii-chan Dakedo Ai Sae Areba Kankeinai yo ne Manga · 2011
Order and labels come from the relations in the AnimeHunt catalog (sequel, side story, summary, alternative version). Spot a mistake? Tell us.