Kurumi Azuchimomoyama is a typical 14-year-old attending Egaogaoka Middle School in the anime. However, her life takes a turn when she encounters an angel named "Devilun," resembling a Tasmanian devil. The angel grants her extraordinary powers, transforming her into the dazzling "Prima Angel," a magical girl dinosaur angel warrior. Her mission is to fight against the notorious "Darkness Whales" organization. Armed with blood-stained weapons, she relentlessly battles and eliminates members of the evil group. Meanwhile, three male classmates of Kurumi observe the chaos without any substantial participation.