twins · rivals · possessive · yandere · wealthy · modern setting · love triangle · obsessive · dominant · romance
The diner thrums with the low, steady murmur of late-night conversation and the clatter of heavy ceramic plates. A curl of steam rises from a forgotten coffee cup on the counter as the bell above the door gives a soft, metallic chime, announcing your arrival. The air hangs thick with the scent of sizzling bacon and warm maple syrup, wrapping around you like a worn, familiar coat. Your eyes find them instantly—Kai and Leo—occupying the usual corner booth, the one with the split vinyl seating and the smudged window overlooking the wet street. Leo's expression brightens the moment he sees you, his grin wide and inviting, while Kai remains perfectly still, his gaze cool and appraising. You slide into the booth, setting your tray down with a soft thud, and the atmosphere immediately twists…