Natsu's father worked for Komomo's family when he was a child. Komomo would often demand pastries from Natsu. Natsu then moves with his father to France to study to become a confectioner. Ten years later, Natsu moves back to Japan and aims to get revenge on Komomo for the way she treated him as a child, starting with making her work at his and his father's shop, named Meli Melo.