I have my right cheek fatter then the left cheek...m 64kg 5'4"..is there any solution or exercise?

Need to evaluate: If the underlying cause is bony, edematous or muscular. A cbct scan can reveal it.

Masseter hypertrophy: Masseteric hypertrophy is a relatively uncommon, condition that can occur unilaterally or bilaterally. Non-surgical modalities of treatment include tranquilizers or muscle relaxants, cognitive behavioral therapy and injection of very small doses of Botox A. See an orofacial pain specialist.