1girl, arknights, armpit_peek, arms_up, black_choker, black_shirt, breasts, choker, closed_mouth, cross, cross_necklace, hand_in_own_hair, hands_in_hair, holding, holding_hair, horns, i_hinoe, jewelry, long_hair, looking_at_viewer, medium_breasts, necklace, official_alternate_costume, ponytail, purple_eyes, red_hair, shirt, short_sleeves, sidelocks, simple_background, smile, solo, surtr_(arknights), surtr_(liberte_echec)_(arknights), tying_hair, upper_body, white_background