Jake, the third prince, was discovered to possess a skill granted by the gods called "Incompetence" and was subsequently banished to an estate outside the royal castle. His only companion is the sentient skill "Incompetence," which constantly insults him in his mind. One day, Jake rescues a girl who had been imprisoned, only to discover she possesses the skill "National Beauty," which drives men mad with desire. As more dangerous women with unique skills gather around Jake, his father, the king, and his brothers send assassins after him. However, these malicious attempts consistently miss their mark, always accompanied by the sinister laughter of "Incompetence" behind the scenes...?