SUMMERIZER- Text game

The book is about a girl who's called Mel. She have a best friend, Lisa, and a boyfriend, Ben. But one evening when she's going to her friend Ryan's birthday-party she got a text, whitch is about her boyfriend. So she called the number and someone said the name 'Glo' to the one she called. Mel got more and more texts in 2 weeks before she tells Ben. He didn't understand why she didn't say anything before and got mad. Then Mel understand that thats it, Ben were no longer her boyfriend. But one day she get one new text from Lisa, about to go somewhere...