Full-Time Father

My sister hurt him. And I shouldn't fall in love with him.
Erin's twin sister dies shortly after giving birth…without revealing the name of the child's father. Four years later, Erin finds a diary in her sister's belongings and learns that her niece's father is Parker Hamilton, a world-wealthy man. Parker, who has been living in the mansion as a recluse since the death of his wife, surprisingly accepts the fact and begs Erin and her niece to stay at the mansion. Erin's heart is stirred by his kind eyes. She should not fall in love with him, even though he is hurting and suffering…