Press the right arrow to make the hat larger, and the left arrow to make the hat smaller. Press the up arrow to make the dress larger, and the down arrow to make the dress smaller. The buttons explain themselves. Press the checkmark to see your final picture.
Thank you for playing this game. I want to make a whole series of dress ups on Kakegurui characters, but if you have any other characters on any show or movie you want me to make me a dress-up on you can put it in the comments below.