Suiseiseki is a fictional character from the anime and manga series Rozen Maiden. She is one of the seven Rozen Maiden dolls, created by the mysterious craftsman Rozen. Suiseiseki is characterized by her heterochromatic eyes, with one being green and the other red, and her elegant Victorian-style dress. Known for her tsundere personality, she often displays a tough exterior but has a caring and gentle nature beneath. Suiseiseki plays a crucial role in helping the protagonist, Jun Sakurada, as she navigates the complex world of the Rozen Maidens, forming a deep bond with him and her twin sister, Souseiseki.