円 紀世子 Character from Gilgamesh. Kiyoko is about seventeen and was born before the Twin X terrorist attack, so she doesn't have the ability to use the Dynamis. However, she plays 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.