Tropical-Rouge! Pretty Cure: Manatsu and Laura (Episode 37)

This is from a flashback where Manatsu and Laura first met as kids but after being discovered by an human, Laura had her memories of that encounter erased once she returned to her home kingdom at the Grand Ocean because mermaids and humans shouldn't meet each other due to the scrict law passed by the Mermaid Queen, Melusine Muses Mnemosyne, for troubled life with humans.

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