You were in potions class and needed to brew amortentia, Draco, who was your enemy, was asked to tell what his smelled like by slughorn… Draco smelled various things he liked, but he also smelled the vanilla scent of your shampoo. Your amortentia smelled like various things you liked but the scent of bergamot stood out most, the scent of Dracos cologne. Because even though you two are a bit competitive, theres still some tension and a bit of playful banter. And you two also secretly liked eachother. You were also in slytherin.