1girl, o, arm_garter, arm_ribbon, blue_butterfly, blurry, blurry_foreground, blush, breasts, brown_hair, bug, butterfly, depth_of_field, frilled_hairband, frills, hairband, idolmaster, idolmaster_cinderella_girls, idolmaster_cinderella_girls_starlight_stage, jewelry, key, key_necklace, looking_at_viewer, lying_on_water, medium_breasts, neck_ribbon, necklace, red_ribbon, ribbon, sakuma_mayu, solo, sutoroa, wrist_cuffs