Welcome to SIS vs BRO! This is where Karina and Ronald join forces to challenge each other in countless fun videos! Challenges, gaming, and more!!! Be sure to SUBSCRIBE and we will see you in the next video!!!SIS vs BRO instagram @ sisvsbro_karina_ronaldKarina has a new instagram @ kurzawa_karinaRonald's new instagram @ ronaldkurzawaOur shirts: https://www.sisvsbro.comFacebook: https://www.facebook.com/sisvsbrother/Comment under Facebook videos or Instagram posts!!!Business inquiries email: [email protected]