Will a sliding genioplasty help me achieve a more V-shaped face? (photos)

I have always had a recessed and weak chin, which combined with my round face makes my philtrum and jowls look ‘droopy’. My lower face look very fat even though I’m already at a low weight and it feels slightly uncomfortable to breathe (my teeth are aligned though). I really want a more skinny and angular jawline and is wondering if sliding genio can achieve that.