Yuuna Mitarai is a pivotal character in the Starless series. She is portrayed as a strong-willed and ambitious young woman striving to overcome challenging circumstances. As the protagonist, Yuuna's journey is central to the storyline, often facing moral dilemmas and personal growth. Her interactions with other characters and her determination to succeed are crucial to the unfolding narrative. Yuuna's character embodies themes of perseverance and resilience, making her an inspiring figure within the series.