Children of the Sea (2019)

Plot

Ruka, a young girl navigating her parents' separation, finds herself captivated by two boys, Umi and Sora, who were mysteriously raised by dugongs in the depths of the ocean. As they arrive at her father's aquarium, Ruka discovers her own unique bond with the sea, mirroring the boys' extraordinary abilities. Their powers seem linked to a series of bizarre occurrences, including unusual sightings of marine life and unexplained disappearances of aquarium creatures. Intrigued and concerned, Ruka embarks on a journey to unravel the enigma surrounding her new friends and their connection to the ocean's mysteries.