1girl, arm_across_waist, black_shirt, breasts, byleth_(female)_(fire_emblem), byleth_(fire_emblem), cleavage, cleavage_cutout, clothing_cutout, fire_emblem, fire_emblem:_three_houses, greyscale, hair_between_eyes, illust_mi, large_breasts, long_hair, looking_at_viewer, monochrome, parted_lips, shirt, solo, swept_bangs, upper_body, white_background