Yuu Otosaka, a boy with the ability to temporarily possess anyone in his line of sight for five seconds, abuses his power by looking at other students' answers during exams. He manages to enter the prestigious Hinomori High School, where he once again uses his ability to woo the school's madonna, Yumi Shirayanagi. Yuu's perfect scores catch the attention of student council president Yoshiyuki Ōmura, who challenges him to retake the exam on his own or to face expulsion on grounds of cheating...