luna lia, siesta (zero no tsukaima), zero no tsukaima, graphite (medium), traditional media, 00s, 1girl, between thighs, bikini, bikini under clothes, blue theme, breasts, cleavage, female focus, food, fruit, holding, holding food, holding fruit, holding watermelon, maid headdress, medium breasts, monochrome, off shoulder, shochuumimai, sitting, sketch, smile, solo, swimsuit, swimsuit under clothes, thighs, wariza, watermelon