My Family's Express Delivery Station and Mysticism

This is the description of the novel: Jiang Zhi inherited a strange delivery station, where the packages she received were anything but normal. She herself is not normal, possessing a heart made of paper that allows her to see things ordinary people cannot comprehend. It is said that as long as she manages the delivery station well, she can attract a boyfriend and even find her real mother. Jiang Zhi diligently treats the delivery station as her home. On the first day, a customer dressed in ancient attire came in and asked her, "Boss, has my Qinglong sword arrived?" Jiang Zhi handed over the items stored at the delivery station to the customer and received a five-star review in return....