Sleepy Princess in the Demon Castle
Sshhh! Princess Syalis is trying to get a good night's sleep. Some shut-eye. Forty winks. Catch some Z's. Long ago in olden times when people and demons lived together in—well, disharmony, really—a demon king kidnaps a human princess and imprisons her in his castle. Bereft, the princess's subjects beat their chests in anguish…until a hero arises to spearhead Project Rescue Our Princess! While waiting for her knight in shining armor, what's an imprisoned princess to do...? Teddy-bear guards with bat wings are all very well, but her dungeon cell is bo-o-o-ring! So, she decides to wile away the long hours by sleeping. Now if only she could get comfortable…and didn't suffer from insomnia... (Source: VIZ Media)
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 | 78 | 7.80 | 77,417 | #763 | 7/8/2026 |
| IMDb | 7.5 | 7.50 | 1,008 | — | 7/3/2026 |
| MyAnimeList | 7.95 | 7.95 | 114,590 | #834 | 7/9/2026 |
| Kitsu | 79.65 | 7.96 | 9,876 | #810 | 7/9/2026 |
Community reviews
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