Parenting with a Lunatic

A year ago, news arrived of the death of her sister, who had disappeared. Yoo-eul belatedly learns that her sister had a child and goes to find her niece. "I want to take my niece with me, with her consent." However, Seo Ji-hyuk, the younger brother of her niece's biological father, was quite the crazy guy. "Stop bothering me and get lost. She's my cash cow." He claims he can't let his niece go because she's the one who will carry on the family line, and also his source of income. A man who looks cold and intimidating, like the Grim Reaper, except for his handsome face. How can I leave my niece under the care of a man like that?! From then on, a back-and-forth battle begins between Yoo-...