There's Something Wrong with This Magical Girl

Do magical girls have to be girls? Xu Yan accidentally traveled into the magical girl game he was playing, and found that the world was so random, the technology tree developed strangely, and there were actually a lot of male magical girls. Is all this a loss of morality or a distortion of human nature? In order to protect his sister who became a magical girl, he decided to put aside his secular prejudices and resolutely embarked on the path of no return as a magical girl.