score_9_up, score_8_up, score_7_up, source_anime, masterpiece, best quality, 1girl, solo, dynamic cowboy shot, Karin, Kar_Uni, sun light, sitting on chair, head rest on desk, textbook, looking ahead, from below, holding pen, shadow, short hair, black eyes, black hair, ponytail, serafuku, school uniform, pleated skirt, dark blue skirt, mature body, indoors, classroom background

3d, source_pony,