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!
Yumi-chin, what's buggin' you?
Yumi, was ist los?
Yumi-chin, ¿qué pasa?
Yumi-chin, ¿qué pasa?
Yumi, pourquoi tu fais cette tête ?
Yumi-chin, c'è qualcosa che ti preoccupa?
Yumi-chin, o que está incomodando você?
Юми-тин, о чём ты задумалась?