Rule 34 Dev - 1boy 1girl balloon birthday_cake birthday_party black_thighhighs brown_hair cake floating_hair food green_hair guitar hatsune_miku headphones high_five instrument long_hair miniskirt on_table saihate_(d3) shirt short_hair skirt smile table thighhighs twintails very_long_hair vocaloid white_shirt wide_sleeves|19897105995