Yumeko Shikiya

A second-year high school student at Tsuwabuki High School who serves as the student council secretary. She is referred to as a zombie gyaru with a flashy appearance, wearing pale contact lenses. Shikiya is often inexpressive and low-energy, and is helped by the main character Nukumizu Kazuhiko by giving her a drink from time to time.
She enjoys playing board games at the local cafe and harbors interest for Nukumizu.