Why is Kuang buying a house?

Help Dong Weiwei increase sales. According to Tencent's video query, Kuang He is both a character in the TV series "Gentle Temptation", and they are good friends. In the 22nd episode, Dong Weiwei tried to sell his house so as to sell it better than naked ones, while Kuang, as a friend, bought the house he sold to help him increase sales.