Mito, a petite extraterrestrial, is infamous across the galaxy as a wanted criminal and fearsome pirate. Yet, her deepest desire is the simple title of 'Mom.' Unbeknownst to her earthbound son Aoi, Mito's past as a notorious figure remains a secret. As Aoi embarks on a thrilling journey, he is introduced to a universe teeming with surprises, guided by a mother like no other—a working mom armed with a pulse rifle!