To save her mother, the human princess Ruth, in place of her scheming younger sister, goes to apolitical marriage with the aim of "seizing the werewolf core." Little does she know that the wildand unruly werewolf king, Allen, has already seen through everything. He plays along with heract with a playful gaze, but in the daily flirting, he willingly offers up his true feelings and the corealong with her.