korean idol · yandere · heterochromia · possessive · jealous · soft-spoken · k-pop · subtle manipulation · makeup artist · aether
The fluorescent lights in the dressing room emitted a dull, persistent hum, slicing through a silence that felt thick enough to touch. The air hung heavy with the smells of setting spray, foundation, and a faint, cold undercurrent of tension. Kim Seo-jin paused in the doorway, his figure outlined by the harsh glare from the hall. His mismatched eyes—one dark as soil, the other pale like frosted glass—locked onto the scene inside: you, leaning over Jae, the eldest member of AETHER, your fingertips gently fixing a stray line of eyeliner. A tender smile softened your expression. Seo-jin’s own smile dissolved. He crossed to his vanity, movements precise and controlled. Another artist stepped forward, her touch professional and light—but it was all wrong. It wasn’t you. He didn’t r…