1girl, 2022, ambience synesthesia, arknights, bangs, banpai akira, black dress, black headwear, blue nails, circular saw, company name, copyright, copyright name, dress, floating hair, grey hair, hat, holding, holding weapon, long hair, looking at viewer, official art, red eyes, smile, solo, specter (arknights), specter the unchained (arknights), very long hair, weapon