Yuu is the class representative, or "Iinchō", as he is known by the majority of the class. He has the Alice of Illusion. During the Alice Festival, his illusions were a major hit in the Haunted House attraction of the Latent Ability Class. As stated by Mikan, Natsume, and Ruka, he is a force to be reckoned with. He has his hands full with taking care of Mikan and does not seem to get tired of it. According to the author, he fell in love with Mikan at first sight

Source: Wikipedia

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Gakuen Alice