When the boss said she seemed different it answered why I thought the same, though my answer was slightly different. I don't know if I just failed to see it before or its because of the cleaning but she didn't seem to have her hair that neatly tied up in that frame. It was more loose and... organic.
The old man is a fucking devil. He is trying to set MC up with a toilet, poor MC. Please just toss her back into the pig farm once you fucked her MC. Sows ain't worth it. Good for the cute, virgin kohai!