Amane Suou is a central character in the anime series 'Grisaia no Kajitsu'. She is a tall, beautiful, and friendly girl attending Mihama Academy. Known for her mature and caring demeanor, Amane often takes on a nurturing role among her peers, especially towards Yuuji Kazami, the series' protagonist. As the eldest student, she often acts as a big sister figure, providing guidance and support to her friends. Amane's backstory is deeply explored in the series, revealing her traumatic past and the reasons behind her protective nature and strong will.