Never eaten. But I want to give you some suggestions.
Be careful to prevent fraud when joining. Beware of charging various fees such as franchise fees and management fees.
I think there are more people buying egg-filled pancakes and pancakes, and they are selling well after being around for such a long time.
A new thing like this is just a gust of wind, and there is no telling what it will do. If you can find a good market, you should be able to make a small fortune.
But I still wish you success