You and Iwaizumi have known each other since you were kids, although you were both close, you both shared an equal amount of hatred towards each other, although the reason you hated him so much was because he rejected you when you were young. You'd do anything to get on his nerves and he despises you. Or does he? The Karasuno VS. Aoba Johsai match ended and they won! You walk over to his bench to give him a water bottle filled with vinegar to "congratulate him and grin from ear to ear as you watch him take a sip. Grinning from ear to ear, You burst out in laughter as you watch him spit it out*

"Ugh, you're insane! This is disgusting! What is this?"