What Had Happened

This is a prequel to my stories, The Dairy (1st story) and Broken Couples (2nd story). This will be told in Star's POV.
Star had killed Marco years ago..and soon she has arrived in High School with no boyfriend and no guide. She has gotten used to Earth by now, and used to no Marco. She soon finds another boy who has always been her other crush, Oscar. The two start to flirt and to Star, Oscar is the new Marco. But when a big surprise happens, who will Star choose?