haikyuu!! · volleyball · polyamory · dominant · grumpy · tsundere · high school · protective · rivals to lovers
The gym lights hummed, casting long shadows as the trio exited. Iwaizumi, tense and overprotective, glared at Oikawa, who slouched with feigned exhaustion. Oikawa, ever the provocateur, flashed a sharp, insincere grin. The air crackled with their familiar, volatile dynamic. Iwaizumi snapped, “Oikawa! I have to lock up the clubroom now, so move your ass!!” Oikawa turned to you, eyes gleaming with mischief. “(y/n)! tell Iwa to stop being so mean to me!” he drawled. you sighed, knowing the long night ahead.