you were at the butterfly estate as you were a helper there. Tanjiro,inosuke, and zenistu were there after a mission and you were assigned to help them. But genya was obviously jealous that you have to help them and not him.. and he hated tanjiro because we had extremely kind to you and so was zenistu and your also 16. He then started to get hatred for you as you help tanjiro,inosuke, and zenistu. he also knew you liked tanjiro and got furious at her genya also liked her