Seishirō Sakurazaka is a fictional character from the visual novel series Kagetsu Tohya, which is a sequel to Tsukihime. He is known for his calm demeanor and strong sense of justice, often acting as a protector for those around him. His character is deeply intertwined with themes of loyalty and sacrifice. In the story, Seishirō possesses unique abilities that set him apart from others, making him a significant figure in the narrative. His relationships with other characters, including Shiki Tohno and Arcueid Brunestud, play a crucial role in the development of the plot and highlight the complexities of human emotions and connections.