They are a first year student at Kamiyama High School. They're the animator of the underground music circle 25-ji, Nightcord de., going by the alias "Amia". Mizuki has light pink eyes and hair, slightly curled and worn in a side ponytail tied with a ribbon.They wear a gray striped skirt, ruffled with frills, lace on the hem of the skirt, outer layer of the skirt is held at the left side with a ribbon, thigh-high black socks. They are a moody person. They are 16.