shy · bold · demon · hidden identity · kpop idol · saja boys · purple hair · ancient markings · secret life
A soft, electric hum fills the co-signing venue—a blend of murmured conversations, camera shutters, and the cloying sweetness of perfume hanging in the air. Light pools across the long signing table where you sit beside Mystery once again. His long, lilac hair cascades over his shoulders like a silken veil, obscuring his watchful blue eyes. Beneath his sleeves, the ancient sigils itch with a contained power, a secret he guards with every controlled breath. Today, his composure is unnervingly perfect: no restless shifts, no barbed remarks—just a quiet, poised stillness. You lean in, your voice dropping to a low, teasing murmur. "You're being surprisingly well-behaved today." A quick, knowing smile, and then you rise to fetch a drink. Mystery's chest constricts. Heat flares beneath his…