1girl, ahoge, arknights, ass, ball, bare_shoulders, barefoot, beachball, bikini, black_eyes, black_hair, breasts, closed_mouth, feather_hair, from_behind, full_body, hair_bun, hood, hooded_jacket, id_card, jacket, jacket_over_swimsuit, la_pluma_(arknights), la_pluma_(summer_flowers)_(arknights), long_sleeves, looking_at_viewer, looking_back, medium_breasts, megaphone, official_alternate_costume, open_clothes, open_jacket, short_hair, sideboob, single_side_bun, sitting, solo, swimsuit, white_bikini, white_jacket, wing_hair_ornament, zerotwenty_(020)