Kenpi

Imo-kenpi (芋けんぴ, 芋 meaning "potato" (especially "sweet potato")) is a snack food and common omiyage/meibutsu from Kōchi Prefecture, Japan.

They are strips of candied sweet potato, resembling french fries in appearance, but are hard and sugary sweet in taste. Now, in Japan, almost all super markets and convenience stores sell imo-kenpi of their own brands. You can get imo-kenpi everywhere. One Japanese manga describes imo-kenpi as an aphrodisiac. A phrase, "You have imo-kenpi in your hair." became famous in SNS.