Is Dongsen flower sushi rare?

Not rare. By looking at the rules of the game of Friends of the Animal Forest Association, flower sushi is a dish made by the players themselves, which needs purple petals and rice to make. Purple petals and rice can be bought in the game app store and are very easy to get. Therefore, flower sushi is not a rarity. Flower sushi is also a unique food, which can be used as decoration and gift, so it is also loved by many players in the game.