girls only !!!:how do i make my breasts look like their natural size in school uniform?

please no judgement no question. just please answer my question rather than judging me please.
i wear a 34c bra (uk)
i dont have any pushup bras only 2 padded 34c bras.(i dont want to buy any pushup bras)
my school uniform is : navy blue cardigan, black trouser/grey skirt, white polo shirt/normal white t-shirt
girls only !!!:how do i make my breasts look like their natural size in school uniform?
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