Even If Our Sexes Change, Our Top-and-Bottom Roles Stay the Same

[IMPORTANT NOTE! This is a romance, and both the male and female leads are completely straight. They can accept doing the deed only because the other person is their beloved. The terms top and bottom refer to their positions in bed, ahem. The inspiration for this story (the female lead's initial concept) came from a friend's new novel, where I made a cameo as a character.] Qing Jiujiu turned into a man, but she was still the one who got topped. Chen Luofan turned into a woman. After much agonizing, she eventually topped Qing Jiujiu. Turns out a change of gender can't change which of them is top and which is bottom. Theme: