As Rintaro arrives back in the beta world line, where Amadeus' takeover has been prevented, he discovers Mayuri's friend Katsumi "Fubuki" Nakase, who was hospitalized after they both collapsed, has memories of the alpha world line he was just in. After arranging for Maho to stay with Faris after her hotel is burgled, Rintaro is questioned by Suzuha about the shift in world line, revealing that it was caused by time machine experiments by America and Russia...