Jaejoong is the last child in Kim family.Being born as the last child and has large between his sister doesnt help him to become matured as he always being treated as a kid although his age already achieved 19.Nobody will believe and trust whatever he did and thought him still childish.On other peoples perspective, he really seem lead a happy life but nobody know what he suffered daily.He has been granted by god by having sixth sense that make him become tired of his own life and want to end it.