The Black Prince -Give Me the Beast Waiting inside You-

Despite the fact that Kaede Takakura belongs to a mafia family, she keeps this a secret and spends her days as a busy detective in a small town. Then one day, a young handsome man joins the Takakura family, which is headed by Kaede's grandmother. His name is Shin Odagiri. Even though he's quiet, it's because he's lonely and kind that Kaede...