Watch Online Free on Watchseries. Based on 16-year-old writer Sarie Hinakura’s award winning story Jellyfish is centered around two adolescent girls disconnected from their immediate environment of school and mates. They first get together while staring into a jellyfish tank at a local aquarium. The relationship that ensues eventually faces tension from the divergent personalities of the two protagonists, one of whom explores a heterosexual relationship with a fellow student. Jealousy and the wrath of a lover spurned are inevitable spillovers.