For starters, you need your ballgag in your mouth.
And you only got one hole filled, you need to have your bigger dildo inside of yourself.
Have your wrists cuffed together and use your rope to tie yourself into a frogtie of sorts where your feet are tied to the chair, something like this
https://i.imgur.com/km42JBT.jpg
While we're at it, have that wand vibe between your legs pressed up against you if you dare.
Since you're doing some paperwork, perhaps you need to write on yourself some as well
First thing that comes to mind is, "office slave". Perhaps you can find some other words to write on yourself or other people can write on you.