gryffindor girls kissing slytherin girls
gryffindor girls taking slytherin girls on adventures into the forbidden forest and getting them into situations where the slytherin cunning kicks in and gets them out alive
gryffindor girls defending their slytherin girlfriends w/ all their heart
Oblivious Hufflepuff girls being romanced by Slytherin girls tho
Ravenclaw girls using their witty charm to seduce all the other girls.