Not Even If We Were the Last Two People on Earth!

Raina is a regular girl. She has anger problems, oftens protects the geeks, and her parents relationship is falling apart. The only person who knows his her brother and his friend. She didn't even tell her best friend. After a devasting natural diasaters. or was it? Raina finds herself basically alone in the world LITERALLY. She's left alone with one unlikely person. They have to fend for themselves as if it were 10,000 bc, and search for other survivers, But what if they don't find any? Will Raina step up to the plate and continue the race like Adam and Eve with a person she hates? Raina is one of the last people on earth.