He has a strong desire to 'catch the world' taking pictures with his Blackbird, fly 135 Twin Lens Reflex Camera, but they develop strange looking. As Decade, he is seen as an abomination, a rumor spread by Narutaki, who believes Tsukasa doesn't belong in any world. It is also revealed that those who appear in his badly developed photographs have some fate befall them, be it death or otherwise. As Tsukasa travels between dimensions, specific clothing appear on him reflecting said dimension and sometimes exhibits some prior knowledge or a talent for the world. Examples to this are his Grongi language knowledge in the Kuuga World and his enrollment as a student in the Faiz World.