Mafuyu Asahina is the lyricist of the underground music circle called Nightcord at 25:00, also known as 25 ji Nightcord de. The music circle is a secret from her mother and almost anyone around her. She has purple hair in a ponytail with purple and blue eyes. She wears a black dress with a blue bow tie. She actually is emotionless. She studies for medical school, but wants to be a music maker. Her friends are Kanade, Ena and Mizuki. She likes aquariums. She is 16 years old.