Sento was suddenly poisoned by someone with a cobra marking on his chest! The poison has caused Sento to remember another human experimentation memory. Sento remembers one side panel of Pandora’s Box within the human experimentation site. Meanwhile, Ryuga arrives in Seito to protect Nabeshima’s family, which could serve as a clue to solve his false murder charges. Faust suddenly appears before Ryuga who desperately attempts to protect Nabeshima’s family…