park y/n is park jihyo's brother and y/n was in japan for alot of years his father want him be there and when he went to school he bacame bestfriend of sana minatozaki until they where lovers sana and y/n had been dating for 2 years and sana want to be kpop idol so she chooses her carier and left y/n and y/n quickly move on and went for being a kpop idol to because it his dream to be one he went back to south korean and mafe a kpop band the band name is bts