1girl, arms_at_sides, bed, black_socks, blue_sailor_collar, blue_skirt, blush, brown_eyes, brown_hair, clenched_hand, closed_mouth, embarrassed, full_body, garter_straps, indoors, kneehighs, kneeling, long_hair, looking_at_viewer, midriff_peek, neckerchief, no_shoes, okano_kei, on_bed, pleated_skirt, sailor_collar, school_uniform, serafuku, shadow, shirt, short_sleeves, skirt, socks, solo, sweat, thighs, wall, white_shirt, yellow_neckerchief, yuukin, yuyushiki, yuyushiki's_school_uniform