Sayaka Maizono's Sister

Sayaka's Sister (さやかの妹 Sayaka no imōto) is a character who appeared in the artbook for Zettai Zetsubou Shoujo - Danganronpa Another Episode. As her name suggests she is the little sister to Sayaka Maizono and was originally going to be used in the game before being replaced with Ayaka Haneyama.