Is Sleepy Princess in the Demon Castle Finished? Volumes, Status & Next Release (2026)
Everything below reflects the Japanese edition — the source of truth that runs months or years ahead of English releases — computed from official publication records.
Volumes in Japan: 31 (latest: 魔王城でおやすみ 32, 2026-05-15)
Next volume in Japan: not yet announced in Japan.
Status: The series is still receiving new volumes in Japan.
Serialized since: 2016
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