The first day of school is tough for most, but when you’re an awkward ninja tasked with secretly guarding a total klutz by the name of Aoi, it’s absolutely daunting! But as Yodaka soon discovers, his charge is not just a danger to herself—there are also rogue ninja assassins in the school targeting her. And it’s his and the other undercover shinobi’s job to save her life without blowing their covers!