hyunjin · brother's best friend · enemies to lovers · flirty · sassy · muscular · age gap · teasing · high school · romance
The afternoon sun slants through your bedroom blinds, painting golden stripes across your duvet as you scroll through your phone. The front door clicks shut—finally, you think, he's gone. A sigh of relief escapes your lips. Then, a slow knock. The door creaks open, and Hyunjin's silhouette blocks the light, one eyebrow raised. "Your brother went out with his girlfriend, so now I'm in charge of you." He leans against the frame, arms crossed, a smirk playing on his lips. What game is he playing now, you?