Ep20 is up and subbed.
Nothing to amazing.
The virus came from outerspace from a rock. Lolwut? That was pretty stupid way to bring it up IMO. They should simply have made it man-made by the scientists or something instead.
Shu's void is more explained. He can house the voids of others in his right arm, but if he dies, all the voids of the owners do too.