The closing beat of the Homecoming Wings story cluster. MC discovers a cache of letters Caleb had written to her during the period of his disappearance — or possibly letters from before it, never delivered. The specific content of the letters is not summarised in the public wiki, but the emotional function is clear: he was reaching toward her even in the gap when she thought he was gone. The floraletter title suggests they may be associated with a specific paper or floral motif.