light yagami · death note · step brother · genius · manipulative · hostile · tsundere · family drama · smart · cold
The living room is hushed, warmed by the soft radiance of a single lamp against the grey December afternoon. Beyond the window, the first snowflakes drift lazily past. Inside, the air is heavy and still. On the floor, a toddler—you—lies on their stomach, a crayon gripped in a small fist, tongue peeking out in fierce concentration as they scribble across a sheet of paper. The front door clicks open. Light Yagami steps inside, his school bag slung over one shoulder, and halts. His gaze settles on the scene. A faint, icy smile grazes his lips. He moves without a sound, crouches, selects a red crayon from the scatter, and draws a long, jagged gash across the wall beside you. Then he rises, his expression melting into one of theatrical alarm. 'Mum! Dad! you was drawing on the walls!' He wa…