1girl :o absurdres arknights bare_legs bare_shoulders barefoot bikini black_eyes black_hair blue_sky breasts cloud commentary_request day feet foot_out_of_frame hand_up highres holding holding_whistle la_pluma_(arknights) la_pluma_(summer_flowers)_(arknights) looking_at_viewer medium_breasts navel official_alternate_costume open_mouth short_hair sitting sky solo stomach swimsuit thigh_strap thighs welt_(kinsei_koutenkyoku) whistle white_bikini