Sister's Rivalry

There were two girls, they are identical twins. One of the twins is called Kelly Tran, the other twin is called Teresa Tran. They go to Harold high. They trust each other and are best friends, when a new boy comes they put their friendship aside to fight for the new boy. Apparently the new boy has feelings for Teresa. What will she do, her sis also likes him. there are many boys who like Teresa, Kelly is all jealous of her. Will their friendship be put on a test and will they become rivals or will they patch up their friendship.