Heiji frowned, looking directly at her for perhaps the first time since they'd started dancing. "Don't do it," he said. "There's nothing worse than the taste of a manufactured puzzle."

He wouldn't object if someone took their own initiative to revenge themselves. But a murderer goaded and encouraged into action by some force beyond his control? It would be an act devoid of anger or desperation -- and thus also of ingenuity. A cold, flavorless dish at best.