Turning time backwards

The events take place in 2198. Julia Wexler from the School of Magic in эпсилон-galaxy is to have her internship in омега-galaxy. The events take a new twist when Julia is sent to the Earth as a participant of a teleportation program into the past. Who is Julia Wexler? Why is the school management after her and how does she win the support of the teenagers and make friends with them?