Chie Hoshinomiya (星ほし之の宮みや 知ち恵え, Hoshinomiya Chie) is the homeroom teacher of Class 1-B. Chie is a young adult woman of average height with chest-length light-brown hair that is curled at the bottom with bangs hanging on the right side, purple eyes and a slim but well-endowed body.Some time ago, Chie was attending Advanced Nurturing High School. She became friends with Sae Chabashira.Chie is a friendly class teacher who also likes drinking as she often appears in school with a hangover. 