Ming Dynasty: Begin by Promising Yourself

Mysterious girl: "Thank you so much, young hero, for saving me. I'm very grateful. If you need anything, young hero..." Xia Ming: "Promise yourself to me." Princess: "I owe you a favor. If you need it in the future..." Xia Ming: "Promise yourself to me." Princess: "..." Xia Ming: "You should also pledge yourself to me." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.