Ooh, create my own opening? I guess I’ll just create a system since it’s easier to make and playtest:
That’s the basic setup, here’s a potential line to get there:
Well hope this does well 
Your opening
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You can try the Opening I made for Beginners!
It is called the Crab Opening!
I have a Chess Forum Post telling you how to play it. I even posted Middle Game plans and showed several examples games.
https://www.chess.com/forum/view/for-beginners/crab-opening-for-beginners
This is more or less the set up you aim to achieve!
The move order can be changed to various move orders, but I recommend the Classical move order which is also the most shocking!
Create your opening and post it here, i will (if it doesent lose game) play it in at least 5 bullet ganes (i am 1900) and give you honest review!