1girl black_hair blue_tongue blush cape chanko_neru colored_tongue demon_tail eyelashes fang formal gloves hat koumori_otoko long_hair navel nervous pink_hair pink_shirt pink_socks pointy_ears ponytail pop'n_music purecle_lip purple_cape purple_footwear purple_gloves shirt short_hair skirt socks suit sweat tail vampire white_shirt white_suit yellow_background