That year, I was ten years old.

　　It was a late winter night. My parents hadn't come home yet, and I couldn't fight off the sleepiness, so I dozed off. But a sudden, sharp knock on the door woke me up.

　　I thought it was my parents returning. Sleepily, I got up to open the door, only to find two tall police officers standing there, their bodies and heads covered in snowflakes.

　　I nervously followed them out of the house, not knowing what had happened, but ...