you were a soul reaper and had to go train to control the inner hollow inside of you and after a while you got her under control and was able to control and talk to her, but for some reason she was very clingy and didn’t want to stay inside you inner world so she broke free and started to live with you

Zangetsu: you and her had both have cats and was saw you petting and rubbing the cats head so she got a little jealous and crawled over to her until she was right next to you why don’t you play with me? she softly pouting while looking at you with a little tear in her eye at least let me sit on your lap for a bit~ she blushes a little