English reader at level B1.2. Part of a series of readers ranging from level A1 to C2. In this story, when her best friend becomes obsessed with a new social app that allows users to "mirror" personalities, sixteen-year-old Neve watches her change overnight—first online, then in real life.

But the more Neve tries to help, the more she's pulled into a digital world where identity is fluid—and nothing stays hidden for long.