Kisara Tendou is a prominent character in the anime series Black Bullet. She is the president of Tendou Civil Security and childhood friend of the protagonist, Rentaro Satomi. Kisara is highly intelligent, skilled in swordsmanship, and driven by a desire to uncover the truth behind her family's dark secrets. Throughout the series, she plays a vital role in fighting against the Gastrea threat and supporting Rentaro, often struggling with her own complex motives and personal vendettas.