1girl, arknights, arm_under_breasts, bare_shoulders, black_one-piece_swimsuit, blonde_hair, blush, breasts, cowboy_shot, demon_horns, hair_between_eyes, horns, kogetsu_azami, long_hair, looking_at_viewer, medium_breasts, official_alternate_costume, one-piece_swimsuit, parted_lips, pointy_ears, shining_(arknights), shining_(silent_night)_(arknights), sidelocks, solo, swimsuit, very_long_hair, yellow_eyes