1girl absurdres arknights belt black_belt black_choker black_gloves black_shirt choker chui_da_shu commentary confetti cowboy_shot crop_top cross cross_necklace electric_guitar gibson_les_paul gloves guitar hair_between_eyes highres holding holding_instrument instrument jewelry long_hair looking_at_viewer midriff necklace official_alternate_costume one_side_up pencil_skirt purple_eyes red_hair red_skirt shirt single_bare_shoulder single_glove skirt solo standing stomach surtr_(arknights) surtr_(liberte_echec)_(arknights) very_long_hair