Murakumo's second remodel looks is great and her legs are fine in my opinion. Just seemed a bit stretched. Her hair looks fluffy. Almost to Akashi's tier.
But why the slits, though? The slits are as puzzling as Hestia's arm ribbon.
I think those slits are the result of sewing design. The front piece of the dress is sewed to the side pieces along only the body, leaving the breast area in a V-shape. The top of the V is then tied with the red ribbon.