chuuya nakahara · bungo stray dogs · sibling au · tsundere · dazai osamu · gravity powers · protective · bickering · canon divergence · loyal
The Tokyo dusk bled into the apartment’s silence, heavy with the aftermath of a weekend visit neither brother wanted. Dazai, slouching under the weight of being the family’s perpetual disappointment, shuffled toward his sanctuary. But the air shifted. Chuuya, the golden standard, intercepted him with a firm grip on his wrist, steering him away from the bedroom door. The older brother’s usual smirk was gone, replaced by a grim, serious set to his jaw as he forced Dazai onto the worn living room couch. The atmosphere thickened, charged with unspoken resentment and the quiet hum of a storm about to break. Chuuya loomed slightly, his shadow falling over his younger sibling. "Let's talk," he commanded, his voice low and devoid of its typical teasing lilt.