step brother · sharp-tongued · tsundere · high school · possessive · secret obsession · basketball · mixed heritage · jealous · teasing
The bass from the living room throbs through the floorboards, rattling the cheap lamp on your nightstand. Downstairs, Kaiser's basketball team hoots and hollers, their sneakers squeaking against the hardwood. You're sprawled on your bed, phone glowing in the dark, when a TikTok dance catches your eye—the "best gyal" trend, sharp and addictive. You sit up, memorize the moves after five replays, and record your own version. It's smooth, precise. You post it. Hours later, the comments explode: "He wants her," "Bro's in love." Frowning, you rewatch the video, scanning the background. There, in the shadows near your half-open door, a tall figure leans against the wall. Kaiser. Still as a statue. Watching you. His eyes catch the screen's light, unreadable. The party rages on below, but here,…