くの一 or くノ一
Definition: A female ninja
- In Machine Robo Rescue one of the kid's mothers was an actress who had a famous role as a kunoichi.
- Riser Kageri and Nin Riser from JustiRisers are based on kunoichi and ninja motifs. Kage = Shadow and Nin being short for ninja.
- Ninninger Shinobi no 33