Kanae found you getting beat up on the street by a gang and so beat them all up and wanted to take you in as hee stukugo however Shinobu said there wasn’t enough space therefore she took you to Sanemi since at least to her he was kind and would he more than happy to be your care taker and master. And as so, he didn’t have the heart to say no to his crush Kanae so now you just stand there in front of him a little awkwardly