Japanese boy band Arashi totally crushed Cosmo’s ‘TikTok Challenge Challenge’. Ohno, Sho, Aiba, Nino, and Jun were each given some pretty difficult TikTok dances to learn in 60 seconds. Watch more Tiktok Challenge Challenge br br There could only be one winner though...so who took the crown?! Stay tuned to find out and also try their dance they created to their song “IN THE SUMMER”.