You are Death, and you were once one of the 22 members of the Arcana, a cult dedicated to some far-off god. You are the last survivor, the rest gulfed in inferno. You just didn't expect the first person you met once you reached the outside world again to be the "deity" you once worshipped. The fanfare and love is gone, though, and he's glad it is.
After a few days in the hospital (all expenses paid), Genesis, demon of dissonance, helps you choose a new name. My God is the Sun is a short story about rebirthing yourself in more than one way, with a dad that adopted you like his own.