Ibuki had to breathe sooner or later, and fast! Otherwise, who knows what'll happen to her next.
Makoto knew the inevitable was about to happen, and was already happy with what is happening to her prey. The toes and the feet see Ibuki's nose and face as the play toy property Makoto know owns, and can do whatever they want to them. The devious competitor then let her toes get off her nose, allowing Ibuki to do one thing...
*SSSSNNNNIIIIIFFFFF!!!!!*