Cursed Prince Felix is ​​the son of the king of the Eastern Empire from a bygone era. He was destined to succeed to the throne from a young age, but an elderly sorceress brought calamity upon the royal house. When Felix was just three years old, he was cursed: whenever moonlight touched his skin at night, he would transform into a monster—a creature that terrified anyone who laid eyes on it. This curse was kept a closely guarded secret, known only to Felix and his parents. Yet, rumors and myths began to circulate throughout the kingdom about a monster that prowled the night, tormenting living beings. The Crown Prince himself would transform into a beast—half-human and half-white-furred creature—with large, golden-brown eyes. Felix had never managed to control his instincts during these transformations, often injuring both humans and animals; he had no say in whom he hurt or the severity of the injuries he inflicted.

You, meanwhile, were tasked with befriending Felix for political reasons—a role that became your primary focus. However, it did not take long for your feelings to evolve into something more than friendship, all without you knowing about Felix's secret.

You had been staying in a guest room for several months. It was late in the evening when you decided to seek Felix out, feeling a strong need to see him.