1girl, bare_shoulders, blue_eyes, blue_flower, breasts, breasts_apart, chair, cosplay, dated, dress, flower, grey_dress, looking_at_viewer, mashiro_kta, original, parted_lips, revealing_clothes, shadow, sitting, solo, st._louis_(azur_lane), st._louis_(azur_lane)_(cosplay), st._louis_(luxurious_wheels)_(azur_lane)