1girl, arm_up, armpits, black_bra, blue_eyes, blue_hair, bra, breasts, byleth_(female)_(fire_emblem), byleth_(fire_emblem), cleavage, collarbone, fire_emblem, fire_emblem:_three_houses, hair_between_eyes, large_breasts, long_hair, looking_at_viewer, solo, twitter_username, underwear, youhei_choregi