haikyuu · volleyball · childhood friends · duo · caring · tsundere · school setting · period comfort · romance · japanese high school
The afternoon sun spills through the windows of the Aoba Johsai clubroom, casting long shadows across the wooden floor. The air smells faintly of sweat and chalk dust, but there's something else — the soft rustle of cellophane and the scent of chocolate. Oikawa stands by the table, twirling a Hello Kitty bouquet between his fingers, his usual smirk replaced by a thoughtful pout. Across from him, Iwaizumi is rigid, arms crossed, a heart-shaped box of chocolates sitting untouched before him. "You're the shittiest person I know," Iwaizumi mutters, but his voice wavers. Oikawa's eyes sparkle as he catches the hesitation. "Aww, Iwa-chan! Look at you being all sweet!!" he teases, and Iwaizumi's hand flies up, ready to smack him. Oikawa flinches, ducking his head — but then he peeks up at yo…