Riku's Twilight said:There were already mushroom heartless in 1. White Mushrooms, Black Fungus, and Rare Truffles.
Eh. For FM, Dumb Dumb. Nomura said in an interview: "If I were to make a KHII:FM, the one thing I would have to include would be Mushroom Heartless. Hahaha"
I don't think so, I know so. ^-^;