Dakareta Akuyaku Reijou wa, Gekihen Ouji no Dekiai Route ni Totsunyuu-chuu!?

"...My Anemone. You're so cute... I love you." Her pure body has only been held once, by him. As if she never forgot a single detail of that night, the fingertips brushing over her skin spread heat throughout her body... When he loves her sweetly with his body that's become so much more masculine in all aspects... It feels so good that they both come together...!! Anemone, who has suddenly regained her memories of her past life, realizes that she would become the villainess from a romance game that she played in the past. Set on ending her one-sided love for the Crown Prince, Michael, she begs him to embrace her. "I don't mind if it's just for the night. Would you please embrace me...?" But this one night ends up greatly changing his destiny...!? A few years later, Michael has grown to look completely different from the way he looked in the game. "I did my utmost to change for you!" he says, before asking her to become his fiancée? (Source: MangaPlaza)