Ibarahime Mata wa Nemurihime

Same director, animation type, and story telling method. 

Both are short movies based on fairy tales (Grimm fairy tales/Chinese legend). Both have similar stop-motion animation done with dools. Both have same director and similar storytelling style. 

Both anime are based on folklore and fairy tales. Both focus on a young princess who rejects her suitors and convey a very similar feeling. 

Both are short, 20 minutes long historical movies about relationship between woman and man. Both are made by same director and have same style of animation. Both are stop-motion and both are made with dolls. 

"Gankutsuou: The Count of Monte Cristo" and "Ibara-Hime matawa Nemuri-Hime" / "Briar-Rose or The Sleeping Beauty" are both adaptations with alterations of an old European source material. Featuring unique art styles, these two works might require some getting used to regarding their visuals, with the former having the design of "unmoving plaid" for clothing and the latter using stop-motion as well as intricate puppets.