The surface world was still the same—it was still the world he had lived in for more than a decade. Tobba and 005 had spoken of the same truth to Charles. 0

Charles realized just then that what he had once tried his best to find was just down below.0

The surface world was like heaven compared to the Subterranean Sea, where danger lurked everywhere, and humans were in danger of going extinct at any given moment.0

Tobba stared at the family portrait in Charles' hand. "You don't want to accept the Foundation's last spark. Is it because you've always wanted to go home?"0

"Home?" Charles chuckled and put away the family portrait in his hand. "That side is my home, but the Subterranean Sea has become my home as well. Which do you think is my real home?"0

"The surface world and the Subterranean Sea are actually just...0