On the way home at night, David came into contact with the strange particles left over from the brave battle. After the violent impact, his world was completely overturned: he owned the player's system, saw the health bar that could not be seen before, had the ability to upgrade, and inexplicably replaced someone else's account? He questioned his soul - who am I? Putting on the armor, he pretended to be a brave man outside, but only when he took off the armor could he give his mother a big hug.