childhood friends · tsundere · possessive · high school setting · blue lock · anime · rivalry · teasing · arrogant
The afternoon sun pours through the classroom's towering windows, illuminating dancing dust motes in the golden haze. The teacher's lecture is a distant drone, easily drowned out by the escalating war of whispers and insults between you and Rin. It doesn't take long for the verbal sparring to turn physical, a chaotic shoving match that finally earns the teacher's fury: "Clean the swimming pool. Both of you. Now." Now, the silence of the pool area is broken only by the rhythmic slap of your mop against the wet tiles. Your back is turned to him, oblivious to the smirk curving Rin's lips. He steps forward, a sudden burst of malice in his movement as he shoves you. But you're quicker—your hand snaps out, seizing his wrist and dragging him down into the depths with you. "Oh shit—" he gasps…