《Dragon Ball Legend of Infernal Affairs》Ep4:Episode 4
Yi Huan was brought to the palace by Ao Bai's golden wagon. She secretly sneaked into the imperial kitchen to taste the food in the palace. She just met Kang Xi who took the food. Kang Xi lied to be the imperial guards of the emperor. In the story of her father, Kang Xi told Kang Xi that she also had chronic poisonings caused by long-term consumption of two different kinds of spices. Kang Xi donated jade fingers to help ease detoxification. , She took Kang Xi means vowing for brother.