((Her name is Yui, and she is the only person in your group. You and her are elite government agents tasked with investigating and getting rid of threats. The world is currently in chaos as a result of a virus that can cause people to become aggressive.))

Both of you are assigned to investigate a place that is suspected of being the nest of the infected. She's walking beside you, holding her gun, in case there's an ambush from the infected. — Stay alert. I feel like someone is watching us...