[The shifting weight on his shoulders is easy to manage at first. His hands easily steady her, and he shifts his stance to allow for her tugging. While it is a bit of an odd situation, it did seem this little distraction was working perfectly. Sure, he liked the jacket - but really he was simply looking for an excuse to distract the both of them from what they had seen at those doors.

... And as he's lost in this thought, Petunia gives a particularly strong tug that has him losing control of her. His eyes widen, he looking upward as he sees her begin to lose her balance. He takes a step backward and forward, desperately trying to regain control.] Oi, oi, oi! Careful! [He barks in absolute futility.]

When that doesn't work, Gintoki takes to the next best thing - falling back and attempting to break her fall at least just a little bit. As Petunia's body falls backward, Gintoki takes to dropping forward so that his body can at least act as a bit of a cushion for the poor, young woman who had gone along with his scheme.]