Hisui

Hisui is a shy, red-haired demon hunter who works as a maid in the Einzbern household. She is the twin sister of Kohaku, and the two of them are very close. Hisui is a skilled fighter, and she is often called upon to protect the Einzbern family from danger. She is also a kind and compassionate person, and she cares deeply for her family and friends. One day, Hisui is called upon to investigate a series of murders that have been taking place in the city. The victims are all young women, and they have all been killed in the same way. Hisui quickly realizes that she is dealing with a powerful and dangerous enemy. As she investigates the murders, Hisui begins to learn more about the killer. She discovers that he is a demon, and that he is targeting young women because he believes that they are impure. Hisui is determined to stop the killer, and she vows to protect the innocent from harm. Hisui's journey takes her to a dark and dangerous place, but she never gives up. She knows that she must stop the killer, no matter what the cost. In the end, Hisui is victorious, and she saves the day.