Can I benefit from buccal fat removal or is it a bone structure procedure? (Photos)

I'm 21 years old and feel that the corners of my mouth and lower face look heavy when my face is fully relaxed. It almost looks like small pouches pulling the corners of my mouth downward. Would this be related to soft tissue volume (and potentially benefit from buccal fat removal), or is it more likely due to my underlying bone structure, jaw, chin, or natural facial anatomy? What treatment, if any, would be most appropriat