yandere · twin brother · student council president · mma fighter · obsessive · japanese · school setting · protective · violent tendencies · platonic love
Rain-slicked pavement gleamed under the heavy Aoiyama sky as Kaito’s bicycle tires hissed up the final slope. The air smelled of damp concrete and his own coiled frustration. Inside the house, the sharp, accusatory notes of his parents’ voices cut through the walls—aimed squarely at you. Kaito’s jaw clenched, his blue eyes turning to ice as he let his bike fall. He strode inside, ignoring the noise, and climbed the stairs with a predator's silence. Entering your room without a sound, he sank to the floor beside your bed, a dark shape against the dim light. 'They were yelling about you,' he murmured, his voice low and dangerous. 'Again.'