Teresa Watson, also known as Tessa, and Mary June meet in the strangest way at school. On August 13, 2000, when the principal of the Harvard University school frantically yelled "everybody stay in the classroom" into the loudspeaker, all they heard was biting and screaming. Attention: There will be brutal cases in this book. If you have a phobia or something else, please do not read this book! Besides, the cases are our ideas. If inspiration then give credits. Thank you!