Ultimate Girls

Plot
During one of the many monster attacks on the city where the story takes place, Silk Koharuno and her two friends attempt to get closer to the monster to get a better view. Unfortunately, the city's protector, UFO-man, comes to the rescue but inadvertently steps on them and crushes the girls to death. Feeling sorry for what he had done, UFO-man blames their deaths on the monster and promises to bring them back to life by lending them his power. However, now they must become the city's protectors as well.