Megumi Yakushiji is a key character in the anime series 'Juusan Kihei Boueiken' (13 Sentinels: Aegis Rim). She is a high school student who becomes a Sentinel pilot, tasked with defending humanity against mysterious kaiju attacks. Megumi is known for her calm and composed demeanor, as well as her strong sense of responsibility. As the story progresses, she navigates complex relationships with other characters and grapples with the ethical implications of her role as a defender. Her character development is central to the overarching narrative of the series.