The last person to stop eating their food wins the Mystery Box, but there is a twist!!! Watch to find out how Karina tries to trick Ronald to win the prize!!! Our dad is doing this challenge too :) SIS vs BRO instagram @ sisvsbro_karina_ronald Aria's instagram @ aria.kurzawa Karina's instagram @ kurzawa_karina Ronald's instagram @ ronaldkurzawa Buy our shirt here https://www.sisvsbro.com Welcome to SIS vs BRO! This is where Karina and Ronald join forces to challenge each other in countless fun v
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