https://gamefaqs.gamespot.com/a/forum/1/1e5a9d19.jpg
It is pickled cherry blossoms. (rinse off the salt first)
You add a few to whatever you are drinking and ponder the petals.
GoldenSun/Crossbone Isle diagrams/ 18 teams known https://photobucket.com/u/SwordOfWheat/a/9990a2ee-25f3-4242-ae79-7d2d4b882be4