Akane, Aoi and Momo begin their first day at New Oshima Academy. En route to school, Akane's bike breaks down, forcing her to use the Vivid System in an effort to arrive on time. She ends up meeting kendo club member Wakaba Saegusa, who becomes shocked when Akane counters her sudden attack. After Akane and Aoi officially transfer into Wakaba's class, Wakaba chases after Akane demanding a rematch until she ends up bumping into Momo, deciding to take her to the nurse's office. As Wakaba and Momo get acquainted, Akane overhears how Wakaba wanted a rematch to prove she's the strongest...