>>717576895
The first step is to find a game you like. Depending on your autism this might be the hardest part, but whatever is currently active is a safe bet so you can play with people who aren't going to bash your skull in. I recommend either SF6 or Guilty Gear Strive, both have good enough "ranked" systems. You have enough room to be a noob, basically.

Next you need to find your character. Look at how big their boobs are, how their gimmick works, whatever. This is actually the hardest part.

After that it's just about grinding. Learn the controls, special moves, maybe try doing a few normals into a special into a super if you're daring. Just remember to put the game down once you get mad, you'll learn a lot more off the controller than you will tilted.