Walküre and Delta Flight used music to save people from the Vár Syndrome, a previously unknown disease that made humans and others go berserk. However, they find themselves facing a new threat.
During spring break, Saki visits her father and has a close encounter with a whale. / Makoto confronts a former classmate. Meanwhile, Saki must make a difficult decision. / Saki is upset after spending the day at her mother's house. Makoto, meanwhile, decides to take a step forward. / After much thought, Saki finally makes a decision.
Yuki Itose is just a typical student dealing with the pressures of college. She is struggling one day on the train when an upperclassman named Itsuomi Nagi helps her out. As he gradually opens a new world to her, Yuki develops feelings for Itsuomi. A pure love story begins to grow.
