Rule 34 Dev - 6+boys animal_costume animal_ears blonde_hair blue_eyes blue_hair brown_eyes brown_hair cat_costume cat_ears cloud full_body green_eyes kagamine_len kaito_(vocaloid) kamui_gakupo kikuchi_mataha kyo_(vocaloid) male_focus multiple_boys purple_hair rainbow short_hair smile tail vocaloid wil_(vocaloid) yuu_(vocaloid) zola_project|4993382628