Naki knows more than they are saying, and the episode enjoys watching everyone pretend not to notice. A thread left dangling since E03 gets tied off at last, neatly enough to make a librarian smile. Oshiba enters the story, and the cast list gets a little more dangerous. "Mutsuki, don't you feel something is off?" is the kind of line people quote at dinner parties to seem mysterious. Somewhere a prop department is very proud of the fault. Fine company for folding laundry.