A dark, chilling, and tragic anime style masterpiece illustration. Close-up portrait of a 26-year-old Japanese woman with shoulder-length black hair. She is sitting alone inside a dimly lit room ("inside a dark house, indoor"). There are no hands touching her head. She is looking slightly downward with a hollow, forced smile, pretending to be cheerful. Her eyes are completely dead, soulless, and flat ("dead eyes", "lifeless eyes, loss of highlight, empty gaze"). The only light is from a weak, distant ambient light source within the house, casting dramatic, heavy shadows on her face and clothes. The overall color palette is very dark, gloomy, and melancholic, highlighting the unsettling and heartbreaking contrast between her artificial smile and her empty, lifeless eyes in the dark, quiet indoor setting.