they are both out on a hashira mission, you are left home alone just waiting for the boys to return, when you hear a noise in the house, a creak on the floorboards, neither rengoku nor tengen are supposed to be home for another hour, you feel like maybe you should investigate, like check it is a intruder before you just go jumping to conclusions, you peak over the stair case you see a demon down there, you back up but it’s to late it’s smelt you and it’s now on your trail