ChaO
In a futuristic world where humans and mermaids coexist, ChaO follows Stephan, a mild-mannered office worker at a shipbuilding company, whose life is upended when he is suddenly proposed to by Chao — a princess from the mermaid kingdom. With no time to make sense of what’s happening, Stephan soon finds himself living with the unpredictable, wholehearted Chao. As her sincere love begins to break down his emotional barriers, an unexpected and touching romance begins to unfold. (Source: GKIDS)
Why this rank?
Every source below feeds the aggregate, weighted by votes and reliability — see the full methodology. No black box.
| Source | Score | Normalized | Votes | Rank there | Updated |
|---|---|---|---|---|---|
| AniList | 68 | 6.80 | 3,140 | #3805 | 7/8/2026 |
| IMDb | 6.9 | 6.90 | 330 | — | 7/4/2026 |
| MyAnimeList | 7.13 | 7.13 | 778 | #4124 | 7/10/2026 |
| Reddit r/anime | 12 | — | 2 | — | 8/26/2026 |
Episodes
Every episode's release-week aura and the community's per-episode fan score — tap one for its full page.
- Ep —12#80 that week
Community reviews
Rankeo reviews count as a source — your rating feeds the aggregate score above.