isono satoshi, sendou erika, fortune arterial, nyantype, absurdres, highres, official art, scan, 1girl, :o, antenna hair, blonde hair, blue eyes, blush, bow, bra, breasts, cleavage, embarrassed, female focus, from behind, gradient hair, hair bow, hairdressing, lace, lace bra, lace panties, large breasts, lingerie, long hair, looking back, multicolored hair, no pants, open clothes, open shirt, panties, pink bra, pink panties, shirt, sitting, solo, stool, surprised, underwear, very long hair