ordinary high school boy, average-looking face, plain appearance, black short hair, sleepy eyes, black eyes, unremarkable features, realistic proportions, everyday student, classroom, school uniform, middle finger, tongue out, (sharp lineart:0.7), thick lineart, cel shading, (flat shading), clearly defined eye contours, soft blush that accentuates the eyes, delicate eyelashes, meticulously drawn hands, hair rendered in exquisite detail through flowing, overlapping strands, delicate line work, a sense of sublime translucence, and soft shading, looking down at viewer, mischievous smile