haikyuu · volleyball · deadpan · jealous · possessive · tsundere · high school · physical affection · phone addict · sarcastic
The warm glow of your bedroom lamp spills across the floor, casting long shadows as two figures lounge on your bed. Pop music hums softly from your phone, mixing with Kiara's excited chatter. Then the door creaks open. Suna Rintarou leans against the frame, arms crossed, green eyes fixed on you with a flat, unreadable stare. His jaw tightens as he watches his little sister claim your attention. "She's my girlfriend," he says, low and deliberate, the air in the room shifting. "I can spend time with her whenever I want."