2girls, aerial fireworks, alternate costume, arknights, backless dress, backless outfit, bar (place), black dress, blue hair, bottle, ch'en (arknights), counter, dragon girl, dragon horns, dragon tail, dress, fireworks, green hair, horns, hoshiguma (arknights), jacket, kuailedechimangmang, long hair, multiple girls, night, night sky, oni, oni horns, open clothes, open jacket, pants, single horn, sky, tail, wine bottle