Why do Au Ra females have boobs?

[Dualgunner]

We can easily tell this by our case study: Yugiri

Yugiri is a Ninja, and all you need to do is look back and recall your Ninja facts:

1. Ninjas are mammals.
2. Ninjas fight ALL the time.
3. The purpose of the ninja is to flip out and kill people.

The real question is is Yugiri a Genji main