1girl, alternate_costume, blush, bocchi_the_rock!, breasts, collarbone, flying_sweatdrops, gotoh_michiyo, greyscale, hair_bun, hews, large_breasts, long_hair, mature_female, microskirt, midriff, miniskirt, monochrome, navel, neckerchief, open_mouth, pleated_skirt, sailor_collar, school_uniform, short_sleeves, single_hair_bun, sketch, skirt, smile, solo, stomach, thighs, undersized_clothes, unfinished