On a freezing New Year's Eve, Song Yeon-woo was hiding from the world when he stumbled upon an injured runaway in the snow. Despite his deep-seated fear of alphas, born from a traumatic history of grooming and betrayal, Yeon-woo couldn't leave the boy to die. He tended to the stranger's wounds, enveloped by a unique woodsy scent that felt strangely safe. They parted ways under the moonlight, a fleeting memory buried in the snow—or so Yeon-woo thought.
Years later, Yeon-woo returns to the city to attend university, determined to live as an invisible recessive omega. He builds emotional and physical walls to protect himself, avoiding all alphas to prevent history from repeating itself. However, his quiet campus life is upended when he crosses paths with Kim Shin, a popular and powerful dominant alpha. To Yeon-woo's horror, Shin carries that same unforgettable woodsy scent from that December night.
While Yeon-woo tries to retreat, Shin is relentless in his pursuit, drawn to the older student by an instinct he can't control. As boundaries blur and pheromones flare, Yeon-woo must decide if he can trust this persistent alpha or if his past trauma will forever dictate his future. December is a gripping Omegaverse drama about healing, obsession, and a love that refuses to be forgotten.