Ever since he was a young child Sora Aoi had always exchanged words of "I love you" with his older sister Aki. Now, as he comes of age, he finds it much harder to exchange such comforts as they did in those simpler times. When Aki demonstrates her feelings toward him to go beyond a sisters love Sora finds himself questioning his feelings for his sister. Realizing their affection for one another they consumate their love in secret.  In a society that would never understand, they must now keep their love a secret from their family and everyone they know. With a boisterous twin sister and friends that want to be more than just friends, Sora will find it wont be so easy. Hormones raging, you can be sure that Itosugi Masahiro's "Aki-Sora" will be a sure-fire drama that you don't wanna miss! Warning: Nudity and graphic situations!