The King's Letter

The King's Letter (王様の手紙, Ōsama no tegami) is an item obtained by King Carefree after presenting his card to him during the night within his bedroom in the Castle. The letter is for Dr. Stein Hager, and if handed to him at Dr. Hager's Lab he will see that the Protagonist has been sent by the king, and thus trust them with knowledge of the Rocket and what is needed for the king's "World reformation plan" to succeed.