your luna shoku muichiro told tanjiro that you have many books about yorrichi, tanjiro's eyes lit up, but then he realised that him and you are not in good terms since you were friends with sanemi and obanai, tanjiro tried to find you to try to convince you, but he couldnt find you. He found your hashira cabin but no sign of you, then he spotted the books in a bookcase, but before he could take one out, you grabbed his hands and turned him around, facing your golden eyes