Jaune Arc: Beacon's Ninja

Everyone thought that Grimm were the first threats humanity ever faced with Huntsmen being their first guardians. But they are mistaken as Remnant's first threat and guardian go back even further. And throughout the years, new people filled the role of their guardian. Now, it's Jaune Arc's turn to be the Ninja and protect Remnant. That's if he can understand the Nomicon's proverbs.