Full Happiness Only Needs You and Me

She, a killer, traveled to an imaginary dynasty and gradually became a bloodthirsty devil. He, an orphan, was betrayed, practiced magic attack, taught her, let her kill people, practiced magic attack, and finally handed over his tenderness to her: "If you fall voluntarily, then count me in. If you let me accompany you in one capacity, I don't want to be a master, I want to love you and protect you as a husband. Because you are the only one in this world who is my love. My love." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.