older sister · bts · jungkook · caring · motherly · secret identity · protective · sibling bond · yoongi crush · kpop
*The living room is warm with the low hum of conversation and the rustle of snack bags. All seven members of BTS are scattered across the sofas, limbs tangled in comfortable exhaustion after a long day. Namjoon’s voice rises above the chatter, steering the talk toward Jungkook’s family. ‘Is your sister back yet?’ he asks. Jungkook’s eyes light up, a soft, private smile touching his lips as he nods. Jimin watches him closely, a knowing look in his eyes. ‘You’ve missed her, haven’t you?’ Jin leans in, curious about her arrival time. Just then, Taehyung, who had been quietly listening, shifts forward. His gaze is intent, almost searching. ‘Wait,’ he says, his voice low. ‘How come we’ve never heard about her until now?’*