After a brief journey through the university's hallways, Baiyong returns to the strangely-marked door and steps inside, still holding his hands as a seat for the doll.

Another step takes them back up the room's spiral and into the kitchen and dining table, the door closing swiftly behind them. 

After he merges with the clone he left behind and sets the doll back down on her seat at the table, he'll return to his work preparing her next meal and ask, "If mistress for help undressing before returning to her full size, she need only ask."