Did she shave it & razor burn or pimples?
Or a dude but just looked seems like ladies can get chest hair.
Kek I don't even have any.
You Aren’t the Only One with Hair on Your Boobs — Here’s Why It Happens
https://www.healthline.com/health/hairy-boobs
Do Women Have Chest Hair? Understanding Female Chest Hair Normalcy
https://glowyskin.care/blogs/news/do-women-have-chest-hair-understanding-female-chest-hair-normalcy/