[Machine Translation] Childhood! Strong Enemy! Big monsters! New developments nonstop! In the village of elves, Red and his friends learned that the mad scientist who was a companion of the heroes a thousand years ago is still alive, and they decided to go to the land of subhumans to meet him. While continuing their mission to collect the seeds of magic power, they stop by a town on the way, and the moment they enter the town, Red and Tertina are transformed into children! This is the fourth volume of the strongest heroic tale of a different world x Sentai heroes!