Weighed down by memories she can’t shake, high schooler Koyuki Hikawa keeps everyone at arm’s length — until three schoolmates draw her out of her shell.

As a child, Akane witnesses a shocking event during her father’s career-defining show. Now in high school, she vows to reach the art’s highest rank.

Six delinquents are tasked with cleaning a train as part of a community service program. But when the train suddenly takes off, chaos ensues.