I Turned into a Girl, and Now I Have to Save the World?

(Gender-Bending + Mild Angst + Bittersweet Moments + Yandere) Because of an “accident,” Qiran's life ended at the age of eighteen. But perhaps through the mercy of a “god,” she was reborn and given a System, setting her on a mission to save the world. The System, however, was never very reliable. Not only did it often give him strange “rewards,” it also turned him into a girl! But none of that was a big deal. All that mattered was staying alive… Qiran, or rather, Qiruanran, never expected the beginner mission to be hell from the start! How could she be the Demon King's most trusted confidant and still be asked to help the hero save the world?! And failing the mission came with some very strange punishments…