Akiha is a 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 personality and protective nature. Akiha has the ability to control heat, which she uses in various ways throughout the story. In the narrative, Akiha struggles with her family's legacy and her own identity. She is often depicted as a serious and determined individual, but she also has a softer side that emerges in her interactions with others. Her character plays a significant role in the themes of family and conflict within the series.