Could I reshape my body by sport?

I am 30 yo girl.. my face is pretty but my body has no feminal features (small boobs.. small back )

My height is 1.68 m and my weight is 53 kg

Could i fix that with sport.. and how much time do i need to have a sexy shape?

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How much time do i need to make sexy body by sport?
Could I reshape my body by sport?
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