Shiori Yamauchi finds a letter in her mailbox addressed to a Reiko Miura, who seems to be the previous occupant of her condo unit. She opens the letter out of curiosity. In it were the words, "I want to see you. I love you." A few days later, another letter arrived with the words, "I'll come and see you today after a long time." Scared, Shiori did an internet search for "Reiko Miura" and found out that she was the victim of a stalker murder that happened a year and a half ago.
Fourteen hundred years ago, a tormented soul walked the earth that was neither man nor god. Hercules was the powerful son of the god king Zeus, for this he received nothing but suffering his entire life.
Set in a post-apocalyptic world, young Thomas is deposited in a community of boys after his memory is erased, soon learning they're all trapped in a maze that will require him to join forces with fellow "runners" for a shot at escape.