esearu blue_archive iroha_(blue_archive) iroha_(swimsuit)_(blue_archive) 1girl adjusting_clothes adjusting_swimsuit ass ass_focus briefcase fluffy_hair frilled_one-piece_swimsuit frilled_thigh_strap frills from_behind hat long_hair official_alternate_costume one-piece_swimsuit petite pink_one-piece_swimsuit red_hair simple_background sitting solo sun_hat swimsuit thigh_strap white_background commentary highres paid_reward_available untranslatable_commentary