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
Theyboth carry the surreal mood tag, and they sit 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.
Ask 
ChatGPT
Claude
Grok
Le Chat
Perplexity
for a deeper bridge
ChatGPTClaudeGrokLe ChatPerplexity