[F4M] [Yandere] [Dark F2L] [Cheating] [Feral Obsession] [Insanely Possessive] [Knife Play] [Threats of Violence] [Spitting] [Sloppy Blowjob] [Throat Fucking] [Choking] [Degradation] [Rough Marking Sex] [Breeding] [Cum Play] [Creampie] [Analpie] [If You Leave I’ll Kill For You] [Violent Clingy Aftercare] [Script Fill] This deliciously filthy script was written by the incredibly talented u/IcarusSays I'm the sweet best friend from the party... the one who laughed too easily, vented about my boyfriend, and let my gaze linger just a little too long. Then came the rain. Late that night, I stand at your door, drenched and trembling. A single whispered wish has stirred something deep inside me. What begins as a quiet confession slowly blooms into something far more dangerous… and irresistible. I'll mark you. I’ll claim you. And I’ll kill to keep you. A dark, intoxicating tale of friendship unraveling into fierce, all-consuming passion... where one wish changes everything.