Yuuji Kazami is the main protagonist of the visual novel series Grisaia. He is depicted as a complex character with a mysterious past, often portrayed as calm and analytical. Yuuji transfers to The Mihama Academy, a secluded school for troubled girls, where he becomes involved in their personal struggles and challenges. Throughout the story, Yuuji's interactions with the other characters reveal his depth and emotional struggles. He plays a crucial role in helping the girls confront their issues, while also dealing with his own traumatic experiences. His character development is central to the narrative of Grisaia.