Into the Depths!
The Man Called A-X has learned the secret behind the A-X symbol etched on his belt buckle: the "X" is not a letter but a roman numeral. He is A-TEN. But the tenth what? And what does the "A" stand for? He vows to learn the answers.
A note to our readers: Volume 1 was originally published in the order 1, 2, 3, 0, 4, 5.