Howl’s Moving Castle (2004)

One day Sophie, an 18 year old girl gets curse and suddenly his body gets transform into that of a 90 year old women. She decides to go looking for a cure and start a journey that would take
her to a moving castle, were she would find a fire demon that has a contract to follow a magician orders. When the demon finds out about Sophie curse, he makes a deal with her, he would break the curse if she can find a way to end the contract the demon has with the magician. So now it’s up to Sophie to find a way to save herself and the demon.