The lurking monster threat, the monster from another world, the Sugar Man. People don't know that they have secretly entered the human world. People don't know that they are attacking and kidnapping humans. In order to protect humans, a young man stepped forward! He was a young man who loved to eat - Nama. By eating candy, Nama can create a being called "Baizang" that becomes his dependent, and gain the power to transform into a Kamen Rider. Now, the story of Nama's battle with the Sugar Man to protect people's happiness begins!