1girl, an_fyhx, aqua_eyes, aqua_wings, arknights, black_wings, blush, breasts, cardiogram, coat, dark_background, glowing, glowing_eyes, grey_hair, head_wings, ho'olheyak_(arknights), large_breasts, looking_at_viewer, multicolored_wings, open_clothes, open_coat, parted_lips, short_hair, simple_background, sketch, smile, snake_tail, solo, tail, white_coat, wings