Open the Step Country Brothers in the Same Way as Tanjiro Brother and Sister

Jiguo Mansion was massacred by ghosts overnight, and when Yuanyi returned from going out to chop firewood, no one in the family survived except Yan Sheng, who was transformed into a ghost. In this way, with the intention of transforming his brother back and avenging his parents (crossed out) mother, Yiyi carried Yan Sheng on his back and embarked on the road of killing ghosts! It will be over soon. As long as Boss Tan is found, he will die. Please note that the background is Taisho Intention: I don't know the truth