Throat rape volunteering is the act of voluntarily offering one's throat for free to men who are not blessed with a throat pussy, with the aim of creating a society where people can live together as human beings and help each other. "I want to be useful to society," Tsuna said, and visited the volunteer center to realize her childhood dream. However, she is deceived by the center's director, imprisoned, and throat-raped. At first, she resists strongly, but gradually she becomes submissive. Ha...