Take me to year 3000

"What do you mean it's the year 3000"
"Are you a millionaire or what" "I was"

A story in which Kim Taehyung with a rare disease which has no cure gets himself frozen and then goes to the year 3000 where he realises life has turned different...there he meets a rich but sophisticated kid jeongguk who tells him the normal ways of living in the Year 3000's