Miri Asano, a second-year junior high school student who makes a wish for a star, is given a protect suit "bloomers" by a human-sized rabbit, Yun, and becomes a "space girl detective bloomers" by "flashing". Her enemy is the Dark Dimension Empire Enigma. The ruler, Emperor of Darkness, Destruction God Baower, led a fleet of different dimensions and started invading the earth. An invading hand approaching Miri's school! Fight! Space Girl Detective Bloomers!