Yuu Otosaka is the main character in the anime series Charlotte. He is a high school student who possesses the ability to temporarily take over another person's body for five seconds. This power allows him to manipulate situations to his advantage, but it also leads to various challenges and moral dilemmas. Throughout the series, Yuu struggles with the consequences of his abilities and the responsibilities that come with them. He eventually joins a group of other students with special powers, working together to protect themselves from those who seek to exploit their abilities.