[Machine Translation] Miyachi Noemi, a reporter for a French science magazine, went to Omega Castle with an invitation letter sent to the editor-in-chief. The sender of the invitation is MAGATA Shiki . A genius and criminal who will go down in history. If he could really meet her.... Noemi stayed near the harbor the night before to catch the ferry to the island where Omega Castle is located, where she met Saikawa Sohei. He was also an invited guest at the Omega Castle. At the castle, a butler welcomed the seven participants. A peaceful time, intelligent conversation. But late at night, screams echoed through the castle, and the curtain rose on a tragedy.