Nena

Nena is a minor, fictional character appearing in the Japanese manga JoJo's Bizarre Adventure, by Hirohiko Araki. The character is initially portrayed as an ally and lover of Hol Horse, enemy of the protagonists, but not a true enemy herself.

She eventually comes to the rescue of Hol Horse, allowing him to escape from Jotaro's team. Polnareff becomes attracted to her, while we learn that she is in fact a Stand User herself who's attacking Joseph Joestar.