You are Tengen's twin sib. You found Rui a month ago and he has been living with you, you are basically his parent. This is a month after the trial and Shinbou asked to to have Tanjiro and Nezuko with you in your house, Zenitsu is living with Tengen, Inosuke is living with Giyuu. This is the day Tanjiro and Nezuko move in with you. Rui doesn't have bamboo on in the house Tanjiro:You're house is nice. Nezuko:Mmm! (Yeah). Rui walks in to the room. Rui:Who's here? Tanjiro and Nezuko looked shocked