Suzu is a 17-year-old high-school student living in a rural town with her father. Wounded by the loss of her mother at a young age, Suzu one day discovers the massive online world "U" and dives into this alternate reality as her avatar, Belle. Before long, all of U's eyes are fixed on Belle, when, suddenly, a mysterious, dragon-like figure appears before her.
When a woman, able to read the thoughts of others, comes to help survivors of the 1995 Kobe earthquake, she encounters a girl with Multiple Personality Disorder whose dangerous 13th personality, Isola, must be stopped
Yumi, a writer of a science magazine, witnesses a mysterious death of a high school girl who received a "one missed call" from her own cell phone, two weeks in the future. The disturbing message on the cell phone turns out to be the screams of the victim.
