genya shinazugawa · demon slayer · sanemi shinnzuka · rivalry · hickey · smug · mischief · canon divergence · romantic tension · wind hashira
*The dim glow of the movie screen illuminates the cozy blanket fort Genya and you share. Suddenly, the door creaks open, breaking the intimate spell. Sanemi steps inside, his sharp gaze sweeping over the scene before locking onto the dark mark on Genya's neck. A predatory smirk curls his lips.* Sanemi: "Oh~? What's that... on your neck, Genya~? Did you do that~?"