It's Not The End

This story starts off with a girl named Claire and her sister Gracie getting on the bus ready to leave for school. Then all of the sudden they see this mysterious "portal" and they are dying to find out what it does and why it is in our world! Just then when they get off the bus something horrible happens to Gracie. Claire is so mad, and sad that she just lost the person closest to her and needs to find a way to save her. She meets up with her best-friend and that's when the adventure begins.