Slytherin's pseudo-venomous and crazy young master x Ravenclaw's pseudo-cold and irritable girl
Juan Notte x Sylvia Bryan
First meeting: She punched him so hard that her eyes were black and purple and took a day to subside.
The two have been at odds since then
The second meeting: The hot potion splashed all over him "inexplicably"
The third meeting: the two drew their wands and pointed at each other
The Nth meeting: Onlookers said - Please, we can't stand the way you two show your affection!