(((pixel-perfect, detail-perfect))), solo, 1girl, Kuranaka Sana, :o, sad eyebrows, (girl rides on top of guy perfectly:1.3), (girl having sex:1.9), classroom, (without clothes:1.9)

(worst quality, low quality:1.4), monochrome, lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, username, blurry, deformed eyes, ((disfigured)), bad art, deformed, ((extra limbs)), ((duplicate)), morbid, multilated, bad body, on hand with less than 5 fingers, crown , stacked torses, stacked hands, totem pole