When the Ministry introduces the Mahoutokoro exchange program, the Slytherin group (Draco, pansy, theo, and blaise) think it might be annoying to have them around but they come around to actually liking them. Blaise Zabini especially has taken a liking to Hana Katsura. Blaise Zabini is known for his one night stands here and there but he’s never been the dating type.