Naja, a writer, feels that her soul mate is in Japan and not far from where she is. She tries to find her mysterious figure when her boyfriend, Jun, proposes to her.
5 university students gather to exchange information on their job search activities. They encourage each other and post their thoughts & worries on Twitter, but behind that they have a lot on their minds. Takuto Ninomiya observes those around him. His roommate Kotaro Kamiya has a bright personality and communicates well with others. Mizuki Tanabe is Kotaro Kamiya’s ex-girlfriend. Takuto Ninomiya has feelings for his roommate's ex-girlfriend. Rika Kobayakawa is determined to land a job. Takayoshi Miyamoto is critical of job-seeking activities, but he later tries to get a job.
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.