Use Creative Writing when completing writing prompts (Creative writing covers a wide range of literary forms, from poetry and fiction to screenplays and essays. This style encourages artistic expression, imagination, and originality.) 
Writing Prompt: The story is set in a world like our own but X-change pills exist, pills changing the gender of their user. A woman is tired of her boyfriend always trying to convince her to have anal sex because it just doesn't feel good as a woman, but her boyfriend then claims that is it much more pleasurable for men. She doesn't believe him at first and she agrees to take Purple X-Pill (a type of pill turning one into a blend of feminine and masculine) and she is transformed into a femboy, still looking the same except for her flat chest and male genitals. She tries anal sex again and thanks to her new prostate she is forced to admit that she loves it. Eventually she grows so addicted to anal sex that she adopts a male identity and take a permanent Purple X-Pill to the delight of her boyfriend.