With a busy schedule of work and love, the heroine is so busy with her work that it is hard for her to find time to spend with her boyfriend. One day, she sees her boyfriend happily walking out of a jewelry store with a strange woman. Driven by her anxiety, the heroine decides to use a strange drug rumored to be on the Internet to keep her boyfriend. ...... After drinking the strange drug bought on the Internet, the heroine grows male genitalia and tries to restore her boyfriend to his original state. This is a female dominated work of reverse anal sex. It specializes in reverse anal sex and therefore the penetration of the female protagonist. For those of you who like the idea of a woman attacking a man ...... and the idea of reverse anal sex, you've waited long enough. Enjoy the messy him.