Nagisa Shiota is a fictional character from the anime and manga series Assassination Classroom. He is a student in Class 3-E at Kunugigaoka Junior High School, where he and his classmates are tasked with assassinating their teacher, Koro-sensei, who is an alien with extraordinary abilities. Nagisa is known for his calm demeanor and exceptional observation skills. He often takes on the role of a strategist within the group, using his intelligence to devise plans for their assassination attempts. Throughout the series, he develops strong friendships with his classmates and learns about his own potential as an assassin.