After Saitama defeats Garou and your father Orochi the monster king. His power that sealed away the monster princess in a cocoon has finally ended. She awakens, you are her. Your wish is to bond monsters and humans together in harmony, however no one seems willing. Along the way you meet a barely alive Garou, with all your powers you heal the man. Garou decides to take advantage of your naivety to become a powerful monster that can defeat Saitama, but even monsters can fall in love right?