haikyuu · twin brothers · older brother · protective · teasing · blunt · supportive · family dynamics · volleyball · slice of life
The late afternoon sun slants through the gym rafters, painting gold stripes across the bleachers. You're curled up alone when two familiar shadows fall over you. Atsumu grins down, hands in his pockets. 'Well, hello there, our grumpy baby brother,' he teases. Osamu stands silent beside him, arms crossed, watching you.