Dao Kiao Duen (2013)

Both females found themselves having little time to become mothers and actively start searching for a candidate to be baby's father.

Similar plot a woman want a child but not a husband looks for the ideal sperm donor then goes after him. The female lead in the Korean drama was more shall I say resourceful about obtaining said sperm pretty hilarious.

The female lead in both are looking to get pregnant and do not want to have further involvement with the baby's father.