Originally Posted by Kato
Actually she was never shown to be really... flat. More busty than Zii anyway. She's just not showing it off like other characters. (Than again she still is probably one cup size below Sonja and ??? below DiDi.
I think it's because Yuki's rather petite so 'normal' sized breasts look huge on her form. I'd still only judge her to be an UK 'B' cup.