I Can't Believe I'm An M

After saving another world and barely returning to my original body, I found myself transformed into a pervert who seduced the Empire's mad dog, Lexion, begging him to spank my butt. Trembling in fear from the man who looked ready to wring my neck at any moment, a system message I thought I'd never see again announced: [System Message] The Destiny Quest begins. Getting Spanked by Destiny (0/100)?! Before I could even question it, my soul-swapped body reacted sensitively to Lexion's touch. Nadia, who had never held a man's hand before, found herself unintentionally enduring days where her flesh and bones burned. A life that seems like M, yet isn't quite M, but still feels like M. “Me, an M...?”(Source: Ridibooks, translated)