Synopsis: Senyuu.

After the hero's seal had lasted a thousand years, Satan Rchimedes emerged on Earth, prompting the king to track down the rightful descendant of the initial hero to seal him once again. Despite struggling to find the descendant, the king selects 75 individuals who showcase qualities of a hero, including Alba, who holds the title of Hero No. 45, and his vigilant companion, Ross. The two set off on a thrilling journey.