Rule 34 Dev - 1girl black_bra blonde_hair blue_background blush bra breasts cleavage closed_mouth collarbone engo_(aquawatery) hair_ribbon heterochromia highres large_breasts long_hair looking_at_viewer lyrical_nanoha mahou_shoujo_lyrical_nanoha_strikers ribbon side_ponytail simple_background smile solo underwear upper_body vivio|21117657483