If you loved Children of the Sea, try Black Butler: Book of the Atlantic
A bridge between a film you've already seen and one most people haven't. Black Butler: Book of the Atlantic has roughly 3.2× fewer votes than Children of the Sea — it's a deeper cut, not a mainstream recommendation. Here's what they share, and what the second one does that the first one doesn't.
What they share
Theysit in Animation / Fantasy / Mystery territory. If that's the register that drew you to Children of the Sea, the second film will land in a comparable space — through a different lens.
What Black Butler: Book of the Atlantic is
Mid-Atlantic. Steam whistle. Empty deck chairs. A clandestine society promises resurrection; Ciel investigates, alongside his butler, Sebastian. Ciel's fiancée, Elizabeth, also boards the luxury liner. A theatrical horror anime, spiked with shonen tropes.
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