. . .
. . .
The children were able to survive inside the cargo ship without being discovered by the crew. From their years of training their bodies to move faster, and and enhanced stealth skills, they bypassed the entire ship without being detected--at the age of four. If if weren't for a call from Librovien University's main office, the captain of the ship wouldn't have found out about these small rats hiding inside his ship.
"All the children are missing?" he asked Mr. Yu who was on the other line. "And you think they boarded our ship without any of us noticing? But that's impossible. We set sail two days ago, how come you're only discovering their disappearance now?"