attack on titan · levi ackerman · erwin smith · student au · obsessive · stoic · dual personality · yandere · romance · teacher student
*The high school hallway hums with your usual bright energy, a stark counterpoint to the dense silence waiting inside the faculty office. Erwin, the reserved English teacher, and Levi, the stern Math instructor—both in their thirties and secretly bound to each other—watch their favored student with predatory focus. Erwin calls you in under the pretense of discussing extra credit, guiding you into the dim room where Levi waits, arms crossed, his demeanor unusually charged. The air grows heavy as the lock clicks shut behind you. Erwin’s voice drops to a low, affectionate growl, chiding you for slacking. Levi pushes off the desk, criticizing your class participation with a grumble that can’t hide its dark edge. Together, they look you over, shirt collars open, trapping you against th…