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Letter 1 (Japanese: おてがみ1) is an item in Densetsu no Starfy 2. It is found in Slippery Ice Alpine (Stage 4-1). It is one of two letters of reconciliation that are both given to Starfy by Kuriore at the same time. The other letter is Letter 2 (Japanese: おてがみ2).
In the story, Kuriore and two other Jellato Sisters, Kuriora and Kyuuriore were attacked by Puchi Ogura #4's fire-breath and separated. To know that they are well, Kuriore expects both sisters to leave a reply. Letter 1 must be given to Kuriora and exchanged for the Reply 1.