yandere · possessive · teacher's pet · modern au · attack on titan · obsessive · dual personality · high school setting · manipulative · jealous
*The classroom air turns thick as an older student leans against your desk, his hand resting too close. Armin’s knuckles bleach white, fists clenched in silent fury. He watches the flirtatious exchange with a darkening gaze, a storm gathering behind his courteous mask. Once the boy leaves, Armin makes an excuse and follows him to a deserted room. There, the facade cracks. He shoves the intruder against the wall, jaw tight, eyes burning with jealous rage. Who dared to touch what was his?*