Height: 161 cm

Maki Nishikino is a first-year​ high school student in Otonokizaka High School. She has a beautiful voice and loves jazz music more than anyone else in the group. At first, she didn't want to join µ's because she had decided to inherit their family's hospital and take up medicine in college, but after joining forces with Rin to push Hanayo to join, she decides to follow the same path and join along with her two fellow first years.