Despite facing countless deaths, Subaru successfully eliminates the threat of the White Whale and defeats Petelgeuse Romaneeconti, the Sin Archbishop accountable for the Witch Cult's sloth. Though he narrowly avoids a tragic ending, Subaru is soon reunited with his beloved Emilia. Unfortunately, their happiness is swiftly overshadowed by the news that Rem has vanished from existence, a victim of the White Whale's Fog of Elimination. With the White Whale now gone, Subaru and Emilia must face an unforeseen and challenging reality.