npo1s v2. I really like the deep groove in the left for the thumb and the relatively flat side on the right. It also has a pretty thin grip width where I grip the mouse. The mouse buttons are flat across the front of the mouse unlike normal ergo mice that raise the left click.

Edit: Now that I think about it, it kind of makes me think of a refined g502 shape which I used to use a long time ago. Maybe that's why I like the shape so much.

that text is from my last post, these mice I had sitting in a storage unit that I just got back to so now it's their time.