ORT

ORT (オルト, Oruto?), One Radiant Thing (ワン・ラディアンス・シング, Wan Radiansu Shingu?), is an Ultimate One from the Oort Cloud in the far reaches of the Solar System, currently residing on Earth.
Within Tsukihime Worlds, ORT is recognized as the fifth of The Twenty-seven Dead Apostle Ancestors.