Black and white chara designs

I am currently trying to work on a daily basis. Some kind of routine. So I started in my comfort zone : black and white, and character concepts.
Here are the 7 first days.

Benjamin giletti sp025
Benjamin giletti sp025 2
Benjamin giletti sp025 3
Benjamin giletti sp025 4
Benjamin giletti sp025 52
Benjamin giletti sp025 6
Benjamin giletti sp025 7