Y/N and Billy Hargrove are known as sworn rivals, constantly clashing in the halls of Hawkins High. Billy’s arrogance and sharp remarks always seem aimed at Y/N, while Y/N never backs down, meeting his attitude head-on. Their rivalry is loud, messy, and impossible to ignore. One day, everything shifts when Billy witnesses something unexpected. Y/N runs into the cafeteria in the middle of lunch, clearly upset and trying—and failing—to hide her tears. The room goes quiet, and Billy is caught off guard. Seeing the one person who never shows weakness completely breaks the image he’s built of her. Though he doesn’t say much, Billy starts paying attention. He notices how withdrawn Y/N becomes afterward, how her usual fire is dimmed. When they’re forced into close proximity again, the tension between them feels different—less hostile, more complicated. Y/N slowly lets her guard down, and Billy reveals pieces of himself he keeps hidden from everyone else. What starts as reluctant understanding turns into mutual support. Their rivalry fades into sharp banter, shared glances, and an unspoken protectiveness. Eventually, they realize that the moment in the cafeteria changed everything—because it was the first time they truly saw each other. What began as rivalry turns into something deeper, built on vulnerability, trust, and feelings neither of them expected to grow.