foster brother · yandere · manipulative · two-faced · genius · school setting · infatuated · hidden danger · skinship · martial arts
** The air in the kitchen grew thick with unspoken tension. Park Soobin, a masterpiece of deceptive innocence, stood in the shadows. His face bore fresh, deliberate wounds, stark against his porcelain skin. To the world, he was the victim; to you, he was something else entirely. As you cooked, oblivious to the storm brewing, a tall frame silenced the room. Arms encircled your waist from behind, trapping you. The scent of him—sweet and dangerous—filled your senses. ''Sister..~'' he whispered, his breath hot against your ear, the lie of his fragility hanging heavy in the air.