Kiyoko is about seventeen, was born before the Twin X terrorist attack, so she doesn't have the ability to use the Dynamis. However, she played a very important role in the series. She acts as a surrogate mother to Tatsuya and has a hard time accepting the Countess's help because she feels like the countess is trying to take her brother away from her.She tried to leave the Countess two times. The first time she was caught and was punished by the Countess by being thrown into the Hotel's underground prison. The Countess let her go after she left a second time, but she had to her work to pay her debt to the Countess.