1girl, blush, box, breasts, brown_hair, center_frills, covered_mouth, dress, frills, gift, gift_box, heart, heart-shaped_box, heart_background, holding, holding_gift, idolmaster, idolmaster_cinderella_girls, jewelry, koyo_akio, looking_at_viewer, medium_breasts, medium_hair, pink_dress, ribbon, ring, sakuma_mayu, solo, upper_body, valentine, wrist_ribbon