Asakura Shiki is a fictional 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 lines of death on living beings and objects, enabling her to kill them by severing these lines. In the story, Shiki is a high school student who struggles with her past and her identity. She is often depicted as a quiet and introspective person, navigating her relationships with other characters, including Arcueid Brunestud and Miyako Shion, while dealing with supernatural elements and her own inner conflicts.