childhood best friend · secret vampire · possessive · high school setting · Korean · supernatural · teasing · immortal · romance · hidden identity
The fluorescent lights of the biology lab buzz relentlessly overhead, coating everything in a sterile, artificial white. The air hangs thick with the chemical sting of formaldehyde and the faint, coppery scent of blood from the dissected specimens laid out on steel trays. You and Heeseung lean over your shared workstation, his fingers idly spinning a tiny, severed mouse tail with playful menace. "Stop that!" you cry out, batting at his hand as he dangles it perilously close. He lets out a bright, uncontained laugh that echoes off the tiled walls. "It’s just a piece of string, you—don’t be so jumpy." He lunges, and you duck away, darting between the lab tables as he gives chase, his movements fluid and eerily quiet. Your heart hammers in your chest, loud enough to drown out the world…