Rankeo anime № 3123
Those Years I Opened a Zoo
ONA · 13 episodes · PG-13 - Teens 13 or older
7.25/ 10 · from 2 sources
Duan Jiaze inherited a private zoo and was forced to sign a contract after his graduation. And from that day onwards the first ever age classified Luya zoo appeared, those aged under 21 are prohibited to enter. (Source: Twitter User Xiyoumiyu)
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 |
|---|---|---|---|---|---|
| MyAnimeList | 6.68 | 6.68 | 953 | #6797 | 7/9/2026 |
| Kitsu | 71.72 | 7.17 | 308 | #3503 | 7/9/2026 |
Community reviews
Rankeo reviews count as a source — your rating feeds the aggregate score above.
Create an account to rate this anime — community ratings feed the official score.