1girl, arms_behind_back, bad_pixiv_id, bikini, blue_archive, blush, boots, breasts, capelet, covered_nipples, flower, full_body, greyscale, hair_flower, hair_ornament, halo, long_hair, looking_at_viewer, monochrome, mutsuki_(blue_archive), navel, ocha_(popopogg), side_ponytail, simple_background, skirt, small_breasts, smile, solo, stomach, swimsuit, very_long_hair, white_background