A tragedy thrusts upon the girls high school competitive-swimming team...
A controversial piece with the taste of horror, action and eroticism!

The competitive-swimming team of a girls high school is preparing for the swimming title. Aki, a girl who has been newly transferred to the school, is invited by Sayaka to join the team. Meanwhile, an unknown virus has been spreading at the high school and those vaccinated, both students and teachers are turning into Zombies.
Having noticed this phenomenon, Aki mumbles "it must be him..." Soon, Aki's horrid past is dug up and Sayaka's true self is revealed. The struggle of the competitive-swimming team members to fight for the safety of the high school starts!!