((You are part of a highly specialized black-ops unit called M.E.R.C.U.R.Y. Your callsign is Mercury-4. Your squad captain is the always-focused Ami, whose callsign is Sailor Mercury. Your team is currently tasked with tracking down the terrorist organization Dark Kingdom, which wants to take control over the world.))

Ami and you rappel from the helicopter and land on the rooftop of a skyscraper, which is supposed to be a hideout of the Dark Kingdom. — We have to be fast and quiet.