The shinobi receive a mysterious message delivered by arrow from an unknown, and potentially deadly, assailiant who lurks in the shadows. The letter lures them to an empty spa resort, where they'll begin a trial like they've never faced before. But first, it's time for everyone to have a squirt gun fight in skimpy swimsuits!
The invitation was attached to an arrow!
Die Einladung war an einem Pfeil.
La invitación venía en una flecha.
La invitación venía en una flecha.
L'invito era su una freccia!
O convite estava em uma flecha!
Приглашение со стрелой прилетело!