masterpiece, best quality, newest, year 2025, male focus, solo, 1boy, sharp teeth, looking at viewer, sitting, on chair, school chair, head rest, school desk, short hair, blonde hair, yellow eyes, school uniform, gakuran, black jacket, open jacket, long sleeves, white shirt, collared shirt, black pants, indoors, classroom, window, window shadow, sunset

worst quality, low quality, blurry, jpeg artifacts, sepia, fewer digits, extra digits, bad hands, bad anatomy, watermark, 4koma