Nina Iseri is a central character from the anime series Girls Band Cry. She is known for her remarkable musical talent and serves as the lead vocalist of the band within the series. Nina's character is portrayed as both charismatic and emotionally complex, often struggling with the pressures of fame and personal expectations. Her journey throughout the series involves navigating the challenges of the music industry while forming deep bonds with her bandmates. Nina's presence is vital to the band's success and the emotional depth of the series, making her an engaging and relatable character.