The only explanation that makes sense is that they share the same genes
-How are their legs so long, seriously?
-Wow, it runs in the family.
-Their genes are truly amazingㅋㅋㅋ
-How tall is her sister? Is she similar to Wonyoung?
-I'm curious about their parents. They must have great figures as well.
-I'm sure both of their parents must be tall and slim too...
-I envy their proportions.
-Their genes are amazing, really.
-Their genes seem otherworldly
-They really look alike, indeed sisters.
-It's unrealistic.
-Their parents must be happy.
-Their bone structures are different
-Their leg length... those genes are crazy.