Rule 34 Dev - 2boys abs anal blue_hair completely_nude curtains erection fangs gakupo_kamui happy_sex kaito_(vocaloid) male_only male_with_painted_nails medium_hair muscular muscular_male nail_polish nekomaru_(catsphere) nude on_floor penis purple_hair purple_nails sex smile soap vampire very_long_hair vocaloid yaoi|2409653960