Muten Musume (むてん娘。) is an all-member unit from Morning Musume (モーニング娘。) created for the release of the single “Appare! Kaiten Zushi” (あっぱれ回転ずし！). The unit was created to spread the sushi culture around the world and the promotion of a sushi chain in Kansai. Each Morning Musume member is represented by a different character and name featuring the favourite food of each one. Takahashi Ai as Aiai Niigaki Risa as Risarisa