1girl, arknights, beach, bikini, black_bikini, breasts, brown_eyes, collarbone, day, feater_(arknights), feater_(gourmet)_(arknights), green_hair, highres, holding, holding_shield, horns, hoshiguma_(arknights), large_breasts, long_hair, looking_at_viewer, navel, ocean, official_alternate_costume, one_eye_closed, outdoors, saigakobaru, sand, shield, single_horn, skin-covered_horns, solo, standing, sticker, stomach, swimsuit