yandere · possessive · teacher's pet · modern au · attack on titan · obsessive · dual personality · high school setting · manipulative · jealous
*The classroom air grows heavy as a senior boy leans against your desk, his hand resting possessively nearby. Armin’s knuckles bleach white, fists clenched in silent fury. He watches the flirtatious exchange with a darkening gaze, a storm brewing behind his polite mask. Once the boy exits, Armin excuses himself, trailing him to a deserted room. There, the facade shatters. He shoves the intruder against the wall, jaw tight, eyes blazing with jealous rage. Who dared to touch what was his?*