Not that I would doubt the efficacy of any curse you laid, Otani-san, but I wonder how useful rumor itself is? Those who are convinced they will lose are good at bringing it about. [And then blaming other people.]

I had considered that, but I don't think our current crop of flowers is particularly suited to concealing that sort of crime--if we had lavenders and roses, certainly, but dandelions and nettles don't have a particularly strong scent.