Akiha Tohno is a fictional character from the visual novel series Tsukihime, created by Type-Moon. She is the younger sister of the protagonist, Shiki Tohno, and is known for her strong-willed personality and protective nature. Akiha has the ability to control heat, which she uses in various ways throughout the story. In the narrative, Akiha is depicted as a high school student who struggles with her family's dark legacy. She often grapples with her feelings for her brother and her responsibilities as the head of the Tohno family. Her character plays a significant role in the themes of family, duty, and personal conflict within the series.