The year is 2024, and it's a rainy night in Tokyo. Getting soaked is the least of one man's troubles, however, as he is fleeing from something that has him visibly shaken. One wrong turn down an alley, and the man becomes a bloody crime scene, courtesy of a towering, shadowy figure. Two detectives converge on the alley to collect evidence, but they're interrupted by four females belonging to AMP (the Attacked Mystification Police Department), a division of the Tokyo police force. Judging from how they are greeted by the two male cops, their organization doesn't command much respect from…