Flat edge G-Pen good for shading, colour, lines and sketches, i use this for everything.
My main liner/sketch/colour/shading brush. flat edge tilted to the left slightly.
example below:
![](http://assets.clip-studio.com/en-us/description/2101772/img/be60f9cc30-cf43-77a4-f372-5787d988ff.jpg)
Flat edge G-Pen good for shading, colour, lines and sketches, i use this for everything.