Harry Potter and the Connubialis Hex/Hogwarts Express/Lavender, Parvati and Padma/Put her hand on his crotch
From Create Your Own Story
You move her hand to your crotch but she quickly removes it "HARRY!!" she says in shock as the twin stand up ready to protec their friend "Connubialis" you say pulling out your wand. The twins start to undress each other and Lavender relaxes, unzips your trousers and pulls out your now erected dick "muffliato" you say pointing your wand at the door
What Does Lavander Do