Kim Mingyu was born unlucky. Paying for a debt in the name of his parents, he lived a life never enjoying his birthday every year. Heard by his neighbors were his unusual countdown every two years and allegedly, when celebrated missing the correct timing, something bad happens. But what if he meets Jeon Wonwoo? Will this "Bag of Luck" make him want to spend his birthdays happily? Started: April 16, 2020