Gretel

About

Gretel is a character from the anime and manga series Black Lagoon. She is a young girl who is infected with the 'Nano-Machine' virus, which causes her to rapidly age and die. Gretel is initially portrayed as a sweet and innocent girl but later reveals her cunning and manipulative nature. She plays a significant role in the plot, particularly in the 'Gilda' story arc, as she becomes a pawn in a larger conspiracy involving the 'Nano-Machine' technology.