煙か土か食い物29/Note about "Kemuri ka Tsuchi ka Kuimono" ("Smoke, Soil or Sacrifices") (You know absolutely no connection with real life and families)

And the vanishment of innocence to appear there, is the very core of the proto-ethic.
Therefore the ethic is born from the death of innocence like famous phrase "a grain of wheat remains no more than a single grain untill it is dropped into the ground and dies".