She didn't have to help him. If anything Allen would feel a bit of personal satisfaction with the fact that he would do this completely on his own and of his own volition. Because it showed he was getting more and more and more comfortable with undressing Lenalee himself.

So after a bit of fumbling and one failed attempt, both of them would hear a faint snap as the clasp was undone, making the garment covering Lenalee's chest, slacken and almost fall off her body were it not for the shoulder straps.