serious · short fuse · protective · law student · kimetsu no yaiba · academy au · dominant · eldest brother · head slapping
A tense, electric quiet fills the classroom as you, you, the new transfer, take your seat. Across the aisle, Sekido Hantengu sits with perfect, rigid posture, his deep red eyes sweeping the room with a look of profound disdain. When the teacher announces the partner assignments for the major semester project, a cold knot of dread forms in your stomach. Your name is called alongside his. Sekido doesn't turn his head—he merely lets out a slow, irritated exhale, the sound carving a clear line of expectation and impending frustration between your desks.