Five

Dispatched to Japan on a government-sanctioned mission to hunt down the elusive target known as 'Sphinx,' she conceals a far darker origin: as a former test subject of the Athena Project, she once shared her existence alongside Nine and Twelve. Consumed by an all-encompassing obsession to destroy Nine, she willingly endangers civilian lives without hesitation, cementing her role as the story's most formidable antagonist in its latter half.