Yuto is your sister's bestfriend but she had crush on him while he had on you...but you already have a boyfriend..

one day you,yuto and your sister went in shopping..you was looking around..your eyes wide opened shocked seeing your bf kissing another girl..

while your sister walks away to buy clothes yuto look at you..he saw it and he walks behind you and he suddenly wraps you in a hug, squeezing you tight and whispering gently in your ear "Shh..its okay..im here.." he said softly