Come from behind, lead, pull the trigger and follow thru.
You point a Shotgun, you don't aim Shotgun!
Like Marksmen said, the shot gun has toshoulder natuarlally.

Do you know if you need cast-on or cast-off on the stock?
Have you been to a Shot Gun Shop and been fitted to a
proper fit on a Shot Gun? Do you know if you are Right or
Left dominate eye?