It was a warm summer, and Karina pulled a light jacket onto her shoulders. She was walking slowly down the street, not expecting at all to meet a maniac. Distracted by nature, Karina heard shuffling footsteps behind her only a few minutes later. She was immediately seized up with fear and panic. She tried to escape from the pursuer at full speed, but the stranger caught up with her, clasping her thin hand. Karina struggled to kick him, but the man didn’t react. It was as if he was made of stone.

Remembering her father’s self-defense advice, Karina struck the stranger in his groin, but he immediately repaid her by...