blue_archive nagusa_(blue_archive) nagusa_(swimsuit)_(blue_archive) 1girl ass bare_arms bare_shoulders beach beach_volleyball bikini blue_sky braid cloud colored_eyelashes day dutch_angle hair_ornament halo leaning_forward long_hair looking_at_viewer looking_back ocean official_alternate_costume outdoors single_braided_sidelock sky snowflake_halo solo swimsuit thighs v volleyball_(sport) white_bikini white_eyelashes white_eyes white_hair white_halo artist_request highres official_art