How Old Is Thorfinn in Death Notes Shifting Timeline?
(Editorial Note: The user prompt included "KEYWORD: how old is Thorfinn in Death Note" and "TITLE: How Old Is Thorfinn In Death Notes Shifting Timeline?". However, the provided "CONTEXT RESEARCH" explicitly details the age progression of Thorfinn from Vinland Saga. Given this, I have interpreted the request as intending to cover Thorfinn from Vinland Saga while maintaining the exact title specified by the user to address the "shifting timeline" concept and acknowledge the initial keyword, before clarifying the correct series....