masterpiece, best quality, score_7, highres, absurdres, anime screenshot, safe, tnmayumu, short hair, brown hair, hair ornament, hairclip, green eyes, solo, ayumuschool, school uniform, serafuku, sailor collar, neckerchief, long sleeves, grey sailor collar, black neckerchief, skirt, shirt, pleated skirt, black necktie, sailor dress, shouji, white skirt, white serafuku, white shirt, sitting, on chair, from behind, high-angle view,, Bitter-sweet pleasure, eyes half-closed, smile faltering, soft moan escaping, subtle blush,