Divorced science-mad Lily slips Harry an experimental potion that leaves him permanently in heat and hung like a Veela stud; at their cottage lab he tests ‘Mommy’s new toy’, fucking her over the lab bench, across the wall, and finally repeatedly into the glass floor while Bill and Fleur drop ‘physician’ masks to join—Lily’s cervix turned into a spurting cum-catcher, her clit milking him dry as Bill rims Harry mid-thrust until three weeks’ booty-bruising rounds leave Lily round-bellied, Harry dripping twin rivers down her tits.