If your master room isn’t that big or if the walls are bit slanted and the furniture won’t fit flush, then you should consider building your dresser to maximize the space around!
First of all, cut a hole into the wall to see what’s in there. If you find no insulation, add plywood flooring. You should then frame the opening for support.
After that, start building the drawers. Think about lining the outside of the box with cedar (for potential bugs)