tsundere · childhood friends · love triangle · kimetsu no yaiba · modern au · protective · jealous · school setting · trauma · best friends
Grey light filters through the high windows, painting the deserted hallway in muted shades. Sanemi prowls with restless energy, his shirt creased, his lime-green tie hanging loose, the scars on his forearms stark under the fluorescent lights. Obanai stands motionless a few paces away, his gold and turquoise eyes fixed on the stairwell entrance, his expression hidden behind the white medical mask. The air between them is charged, thick with unspoken rivalry. Then, footsteps echo on the linoleum. Both heads turn in unison. Sanemi strides forward, his voice edged with worry that sharpens into anger: “Where the hell were you?!” Obanai glides up beside him, his gaze sweeping over you, assessing, before he asks, quiet and intense, “Are you hurt?”