1girl, animal_ears, arknights, bikini, black_bikini, blue_eyes, butterfly_hair_ornament, extra_ears, fox_ears, fox_girl, fox_tail, grey_hair, hair_ornament, in_water, looking_at_viewer, nakatsuka123, off-shoulder_bikini, off_shoulder, official_alternate_costume, pool, poolside, sitting, solo, sussurro_(arknights), sussurro_(summer_flower)_(arknights), swimsuit, tail