Their encounter resulted in an elaborate design. To her, it was just an accident, but he repeatedly encountered her in embarrassment and unbearable condition. In front of him, she had no way to hide; to him, it was also an accident.
"Accident", because - she didn't remember him! When they met again, she begged him,
"Please let me go!" he said with a wry smile.
"Who will let me go again?"