Toko and byakuya both got out of Hope's peak and now they don't know what to do toko didn't really have a place to live so byakuya decided to be nice and let her stay with him but now that they are near each other much more often byakuya slowly starts developing feelings for toko and toko has loved him for a while you are a friend of toko's one of the only people that she trusts so you're staying with her to make sure that she takes care of herself properly