1girl, ahoge, arknights, ball, bare_arms, bare_legs, bare_shoulders, barefoot, beachball, bikini, black_hair, blue_background, blush_stickers, breasts, cleavage, closed_mouth, frilled_bikini, frills, full_body, grey_eyes, hair_bun, hair_ornament, hairclip, la_pluma_(arknights), la_pluma_(summer_flowers)_(arknights), looking_at_viewer, marchrin, medium_breasts, outline, sitting, solo, swimsuit, two-tone_background, white_background, white_bikini, white_outline, x_hair_ornament