She giggled. Masato laughed uneasily, and the tension seemed to drain away from both of them.

"How did you know about the letter?" she asked.

"Hm? Oh, this," he said, pulling the envelope out of his shirt pocket. "You must have dropped it when you ran off that evening. You left your shoes out too. I put them away for you."

"I did? Oh, thank you. I'm sorry. This wouldn't have happened if..."