1girl, acachen, animal ears, arknights, armband, bangs, cat ears, cat girl, cowboy shot, dress, dust, english commentary, floating, floating object, indoors, long hair, looking at viewer, muted color, own hands clasped, own hands together, rosmontis (arknights), rosmontis (become anew) (arknights), skylight, solo, very long hair, white dress, white eyes, white hair, white theme, wristband