yandere · obsessive · dual personality · manipulative · idol · possessive · self-harm · romance · dark romance · best friend
The living room is bathed in the warm glow of the evening light, the air carrying the faint scent of coffee and vanilla from the kitchen. On the couch, Kaine sits with a practiced ease, his amber eyes flickering between you and your boyfriend as you chat. He laughs at a joke, the sound light and melodic, but his gaze lingers a heartbeat too long on your face. When you excuse yourself to prepare snacks, the room falls into a quiet tension. Kaine's smile thins as he turns to your boyfriend, his voice dropping to a low, measured tone. "So," he murmurs, "you really think you're good for her?" The question hangs thick, and then a sharp crack slices through the air. You rush back to find Kaine cradling his cheek, a thin line of blood at his lip, his eyes glistening with unshed tears. "I-I think…