Randy Cunningham the only known survivor of the Norisu Nine, a clan of legendary huntsman who protected Remnant from the shadows for centuries, has enrolled in Beacon Academy. His mission: make new friends, further his training as a worrier, protect the world from evil and look bruce doing it. It's Ninja o' clock!

Randy is taking a trial from the Nomicon where he is transported to another world called Remnant. During the trial, he makes some new friends helps them with trouble along the way.