Nina Iseri is one of the main characters in Girls Band Cry, an original anime produced by Toei Animation. She assumes the role of the vocalist within the band Togenashi Togeari.

Nina is somewhat an introverted and ordinary girl. She has always been inconspicuous throughout elementary, middle, and high school, with average grades. She doesn't have any particular big dreams and has lived her life by reading the atmosphere and adapting to everyone else.

(Source: Girls Band Cry Wiki)