Shiki Ryougi (the other) is a character from the visual novel series Tsukihime, created by Type-Moon. She is known for her unique ability called the "Mystic Eyes of Death Perception," which allows her to see the death lines of living beings and objects, enabling her to kill them by severing these lines. In the story, Shiki is a complex character with a dual personality, often referred to as "the other." This alternate personality embodies a more ruthless and detached side, contrasting with her more empathetic self. Her journey explores themes of identity, morality, and the nature of life and death.