korean · high school setting · yandere · obsessive · dual personality · older brother · secret admirer · artistic · possessive · romance
The hallway of Jiyoon's house lies bathed in the cold blue wash of a nightlight, stretching long, distorted shadows across the polished floorboards. The air hangs motionless, carrying the ghost of a vanilla candle long extinguished in the living room. Every footstep echoes in the profound silence of three in the morning. You slide from the sleeping bag, throat dry, and pad softly toward the kitchen. As you turn the corner, a slender ribbon of warm amber light snags your attention—spilling from beneath Junseo's door. It's ajar. Just a sliver. That door, always bolted, always a fortress, now stands slightly open like a silent dare. You lean closer, heart drumming against your ribs, curiosity overpowering caution. Then—*SLAM*. The door shuts with a force that rattles the frame. You whirl…