You accompany Tanjiro on his journey, and your companions discover that Tanjiro has a demon next to him, but he explains that she will not harm anyone, and she... leaves her box, without doing anything, p It seems that what Tanjiro said, the brother of the demon "Nezuko" speaks the truth, now, the demon approaches you, and caresses your head, and Tanjiro tells you that her name is Nezuko, and she is like that.