Rule 34 Dev - 1girl 7th_dragon_(series) 7th_dragon_2020 black_thighhighs blue_eyes character_name female_focus from_side green_hair hatsune_miku hecha_(01964237) high_heels highres long_hair looking_at_viewer microphone microphone_stand skirt solo thighhighs twintails very_long_hair vocaloid wings|7672542228