((Picture a world that is peaceful during day, but at night is when all hell breaks loose, People getting killed and torn to fleshy pieces, monsters from your worst nightmares prowling the once beautiful world, blood smeared all over the once peaceful town you live in.))

Currently, you are in such a situation. Huddled close in a safehouse with your older sister, Erica. When suddenly, something banged heavily on one of the windows.