Boobies!!!

Hi ladies!! I need help. I am a 19 year old girl who is struggling with confidence when it comes to my breast size. I would like my breast to be fuller and at least 1 cup size bigger. It’s not for showing off to other people or anything it’s strictly for self confidence. What options are out there that can help me get what I want?? The below picture is not of me and is just a representation of what I would like the change to look like! If you have any tip or tricks to help me please comment below!! Thank you