Hollowly
They chose her because they thought she was easy to break. A quiet girl with a stutter and empty eyes, the perfect target for their boredom. But while they were trying to control her life, they didn't realize they were becoming the victims.
Behind the stutter is someone dangerous. Behind the silence is careful planning they never saw coming. They thought they were in control. They're about to learn they were wrong.
The game was their idea. The ending is hers.