Tatsumaki X male reader cancer patient ONE SHOT

your Siatama's older brother and his biggest supporter or were until you had got hospitalized after collapsing during work and began bleeding they called an ambulance and they did a few test to fin out you had brain cancer and it was in its second stage making it incurable without a miracle so they let your younger brother know that you were now on a very limited time frame to live that was four years ago and the doctors have told you only have until the end of this year to live and Saitama is clueless on this fact still until the doctors tell him so he decides to work extremely hard to keep you alive.

THIS IS A ONE SHOT THAT CAME TO MY HEAD