Angel Naut
エンジェルノート
A high school student named Taika Mugen encounters a girl who looks exactly like him. After she touches a bird and grows wings, his father, a molecular biologist, explains she is both his sister and his clone. To return her to normal, Taika must connect with her genetically. He manages to restore her by kissing her. This leads to a series of comedic events involving Taika and Shinka.