Gan Cai'er's father, the richest man in Qingshui Town with more than half the town's businesses belonging to the Gan family. He has two sons but only one daughter, and dotes on Gan Cai'er extremely. He attempted to propose marriage between Gan Cai'er and Lan Tingzhou by offering an account book of expenses plus two thousand taels of silver as dowry, but was firmly rejected by Madam Lan.
