Mafuyu Asahina the lyricist of Nightcord at 25:00, Mafuyu has dark purple hair with eyes that fade from dark purple to sky blue in a gradient. Her hair is curly, long, and usually kept up in a ponytail. Her casual outfit consists of a light blue sweater with a grey-and-white striped shirt underneath; and beige bellbottoms.

Mafuyu often feels numb, or like she can't understand her feelings or she feels nothing at all. She can be rude. She doesn't care about other people's feelings much.