Yuma, who was fed up with the profit-first policy of the company she works for, started volunteering to help people on her own. Although she was confused at first, she felt more and more fulfilled with each passing day. One day, when she pulled down the pants of a man who had lost the use of both hands in a motorcycle accident to clean his body, she found his penis erect... At his begging, she ran her fingers over it. Unable to forget the pleasure she felt at that moment, Yuma allowed him to not only use his hands, but also to penetrate her...