This bikini is just one of the many high quality items in our The Moving Castle Merch store. This Item is a licensed product and the design and materials are high-quality. Howl’s Moving Castle is a fantasy novel written in 1985 by Diana Wynne Jones. When Sophie meets the wizard Howl, he creates a dress for her that changes every day. Today, I am going to introduce the Howl's Moving Castle Bikini from Howl's Moving Castle Cloth in Howl's Moving Castle Merch